CN112468169A - Cloud computing wireless network signal enhancement system - Google Patents

Cloud computing wireless network signal enhancement system Download PDF

Info

Publication number
CN112468169A
CN112468169A CN202011381463.9A CN202011381463A CN112468169A CN 112468169 A CN112468169 A CN 112468169A CN 202011381463 A CN202011381463 A CN 202011381463A CN 112468169 A CN112468169 A CN 112468169A
Authority
CN
China
Prior art keywords
resistor
cloud computing
wireless network
capacitor
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011381463.9A
Other languages
Chinese (zh)
Inventor
李宇华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Wanzhida Technology Co ltd
Original Assignee
Shenzhen Wanzhida Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Wanzhida Technology Co ltd filed Critical Shenzhen Wanzhida Technology Co ltd
Priority to CN202011381463.9A priority Critical patent/CN112468169A/en
Publication of CN112468169A publication Critical patent/CN112468169A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)

Abstract

The invention discloses a cloud computing wireless network signal strengthening system which comprises a frequency modulation noise filtering circuit, an amplitude modulation amplifying circuit, a phase detection control circuit, a phase correction circuit and a power strengthening circuit, wherein an operational amplifier AR2-AR3 is used as a comparator, cloud computing wireless network signals output by the frequency modulation noise filtering circuit and the amplitude modulation amplifying circuit are respectively compared with a zero value, forward rectangular waves are output by a diode D3 and a diode D2 and are sent to an operational amplifier AR4 for comparison, when the output of the operational amplifier AR4 is positive, the cloud computing wireless network signals are subjected to phase shifting by using the characteristic of inductor L2 voltage leading current, when the output of the operational amplifier AR4 is negative, the cloud computing wireless network signals are subjected to lagging phase shifting by using the characteristic of capacitor C5 current leading voltage, and common-source voltage amplifying is respectively carried out on the cloud computing wireless network signals by using a double-gate field effect transistor Q8 and triodes Q9-Q10, The common current is amplified, the signal-to-noise ratio of the cloud computing wireless network signal can be improved, and the phase of the cloud computing wireless network signal is detected and corrected.

Description

Cloud computing wireless network signal enhancement system
Technical Field
The invention relates to the technical field of cloud computing, in particular to a cloud computing wireless network signal strengthening system.
Background
Cloud computing is one of distributed computing, and means that a huge data computing processing program is decomposed into countless small programs through a network cloud, and then the small programs are processed and analyzed through a system consisting of a plurality of servers to obtain results and return the results to a user;
the network cloud usually adopts a wireless transmission mode to transmit network resources, the transmitted cloud computing wireless network signals are subjected to diffraction, refraction, reflection or deviation from the original direction in the transmission process due to the fact that the transmitted cloud computing wireless network signals encounter obstacles to cause attenuation and loss of the cloud computing wireless network signals, even metal obstacles can absorb electromagnetic energy, the level or the intensity of the cloud computing wireless network signals is reduced, the power is dissipated, the cloud computing wireless network signals are not easy to receive and identify, and the conditions of unstable received signals, data packet loss and the like exist;
however, in the process of amplifying and shaping a cloud computing wireless network signal, a conventional wireless signal enhancer commonly uses a linear reactance element to perform band-pass filtering on the cloud computing wireless network signal with different frequencies, so that the cloud computing wireless network signal is delayed, and when the delay difference of each frequency component in the cloud computing wireless network signal is large, the cloud computing wireless network signal is overlapped, offset and the like, so that the cloud computing wireless network signal is subjected to phase distortion, and thus conditions such as data error code, packet loss and the like are caused, and the analysis and processing of the cloud computing wireless network signal by a cloud computing control terminal are influenced.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a cloud computing wireless network signal enhancement system, which can enhance a cloud computing wireless network signal, filter noise mixed in the cloud computing wireless network signal, improve the signal-to-noise ratio of the cloud computing wireless network signal, and correct the phase of the cloud computing wireless network signal after passing through a band-pass filter circuit.
The technical scheme includes that the cloud computing system comprises a cloud server, a cloud computing signal receiver, a signal reinforcing module and a cloud computing control terminal, wherein the cloud computing signal receiver receives cloud computing wireless network signals transmitted by the cloud server and transmits the cloud computing wireless network signals to the signal reinforcing module, the signal reinforcing module performs signal reinforcement on the cloud computing wireless network signals and then transmits the cloud computing wireless network signals to the cloud computing control terminal, and the signal reinforcing module comprises a frequency modulation noise filtering circuit, an amplitude modulation amplifying circuit, a phase detection control circuit, a phase correction circuit and a power reinforcing circuit;
the cloud computing signal receiver transmits cloud computing wireless network signals in two paths, one path is transmitted to a frequency modulation noise filtering circuit, the other path is transmitted to an amplitude modulation amplifying circuit, the frequency modulation noise filtering circuit uses capacitors C1-C2, an inductor L1 and resistors R1-R2 to form a noise filtering network to filter direct current interference and high-frequency and low-frequency noise in the cloud computing wireless network signals, the amplitude modulation amplifying circuit uses field effect tubes Q1-Q2 to differentially amplify the cloud computing wireless network signals, the phase detection control circuit uses operational amplifiers AR2-AR3 as comparators to respectively compare the cloud computing wireless network signals output by the frequency modulation noise filtering circuit and the amplitude modulation amplifying circuit with zero values, when the cloud computing wireless network signals are positive half cycles, forward rectangular waves are output through a diode D3 and a diode D2, a power supply +6V starts to charge a capacitor C4, and the operational amplifier AR4 compares the outputs of a diode D3 and a diode D2, when the operational amplifier AR4 has output, the contact 1 of the relay K2 is connected with the contact 3, until the voltage on the capacitor C4 reaches the conducting voltage of the relay K3, the operational amplifier AR4 stops comparison, when the output of the operational amplifier AR4 is positive, the triode Q6 in the phase correction circuit is connected, the inductor L2 is connected, the cloud computing wireless network signal is subjected to leading phase shifting by using the characteristic of leading current of the inductor L2, on the contrary, when the output of the operational amplifier AR4 is negative, the triode Q7 in the phase correction circuit is connected, the capacitor C5 is connected, the cloud computing wireless network signal is subjected to lagging phase shifting by using the characteristic of leading current of the capacitor C5, the power enhancement circuit performs common-source voltage amplification on the cloud computing wireless network signal by using the double-gate field effect transistor Q8, and performs common-source current amplification on the cloud computing wireless network signal by using the triodes Q9-Q10.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the cloud computing wireless network signals output by the frequency modulation noise filtering circuit and the amplitude modulation amplifying circuit are compared with zero values by using an operational amplifier AR2 and an operational amplifier AR3 respectively, sine waves are converted into rectangular waves, the amplitude of the rectangular waves is limited to a positive level by using a diode D3 and a diode D2, so that the operational amplifier AR4 compares the amplitude of the forward rectangular waves output by a diode D3 and a diode D2, the phase relation of the cloud computing wireless network signals output by the frequency modulation noise filtering circuit and the amplitude modulation amplifying circuit is obtained, and whether the phase correction is carried out on the cloud computing wireless network signals after the frequency modulation noise filtering circuit is carried out or not is determined.
2. When any one of the diode D3 and the diode D2 outputs a positive level, a power supply +12V can be loaded on a contact 5 of the relay K1, so that the operational amplifier AR4 is started to compare the amplitudes of forward rectangular waves output by the diode D3 and the diode D2, meanwhile, the capacitor C4 is charged, the conducting time of the voltage on the capacitor C4 from zero to the relay K3 is set to be half of the period of a cloud computing wireless network signal, the time is used as timing time to determine the comparison time of the operational amplifier AR4, whether the phase correction is carried out on the cloud computing wireless network signal after the frequency modulation noise filtering circuit is determined by the positive and negative values of the output value of the operational amplifier AR4 in one period of the cloud computing wireless network signal, and the phenomenon of misjudgment of the phase detection control circuit can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a frequency modulation noise filtering circuit of the present invention;
FIG. 2 is a schematic diagram of an amplitude modulation amplification circuit of the present invention;
FIG. 3 is a schematic diagram of a phase detection control circuit of the present invention;
FIG. 4 is a schematic diagram of a phase correction circuit of the present invention;
fig. 5 is a schematic diagram of a power boost circuit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 5. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
A cloud computing wireless network signal enhancement system comprises a cloud server, a cloud computing signal receiver, a signal enhancement module and a cloud computing control terminal, wherein the signal enhancement module comprises a frequency modulation noise filtering circuit, an amplitude modulation amplifying circuit, a phase detection control circuit, a phase correction circuit and a power enhancement circuit; the cloud server decomposes huge data needing computing processing and is respectively modulated into a plurality of cloud computing wireless network signals with various frequencies and then is transmitted, a large number of cloud computing signal receivers receive the cloud computing wireless network signals with the corresponding frequencies and then transmit the cloud computing wireless network signals to the signal enhancement module, the signal enhancement module conducts frequency modulation noise filtering, phase correction and power enhancement on the cloud computing wireless network signals and then transmits the cloud computing wireless network signals to the corresponding cloud computing control terminals, the cloud computing control terminals demodulate the data in the cloud computing wireless network signals, the data are processed and analyzed, results are obtained and fed back to the cloud server, and the cloud server collects and combines computing results of the cloud computing control terminals and returns the computing results to users as required.
In order to filter signals and noise outside a central frequency pass band of a cloud computing wireless network signal and pre-amplifying the cloud computing wireless network signal, a frequency modulation noise filtering circuit is adopted to receive the cloud computing wireless network signal transmitted by a cloud computing signal receiver, an inductor L1 is used to filter direct current interference in the cloud computing wireless network signal, a capacitor C1 and a resistor R1 are used to form a high-pass filter network, low-frequency noise is enabled to pass through a resistor R1 and fall to the ground, a capacitor C2 and a resistor R2 are used to form a low-pass filter network, high-frequency noise is enabled to pass through a capacitor C2 and fall to the ground, and the cut-off frequency of the high-pass filter network is smaller than that of the low-pass filter network, the frequency band between the cut-off frequency of the low-pass filter network and the cut-off frequency of the high-pass filter network is set as the passband frequency band of the cloud computing wireless network signal, the capacitor C3 is a coupling capacitor, and the ratio of the resistor R4 to the resistor R3 determines the proportionality coefficient of the operational amplifier AR 1.
In order to amplify the cloud computing wireless network signal and enable the cloud computing wireless network signal to be consistent with the amplitude of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit, an amplitude modulation amplifying circuit is adopted to receive the cloud computing wireless network signal transmitted by a cloud computing signal receiver, a differential amplifying circuit is formed by a field effect tube Q1 and a field effect tube Q2 to amplify the voltage of the cloud computing wireless network signal, the characteristics of the field effect tube Q1 and the field effect tube Q2 are completely the same, the resistance values of a resistor R6 and a resistor R9 are the same, the resistance values of a resistor R5 and a resistor R10 are the same, the resistance values of a resistor R7 and a resistor R8 are the same, and the symmetry of parameters of the amplitude modulation amplifying circuit;
the amplification factor of the field effect transistor Q1 is determined by the ratio of the resistor R6 to the resistor R5, and the amplification factor of the field effect transistor Q2 is determined by the ratio of the resistor R9 to the resistor R10, so that the amplification factor of the amplitude modulation amplification circuit is consistent with that of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit; in a static state, the resistor R7 and the resistor R8 can generate variable voltage along with the change of drain current of the field effect transistor Q1 and the field effect transistor Q2, and the static voltage between a grid and a source of the field effect transistor Q1 and the field effect transistor Q2 is influenced, so that the purpose of reducing temperature drift is achieved; the field effect transistor Q1 and the field effect transistor Q2 are used as amplifying transistors, so that the input impedance of the amplitude modulation amplifying circuit can be improved; the diode D1 and the diode D2 can respectively isolate and protect a power supply +12V and a power supply-12V, so that the aim of stabilizing the static working point of the amplitude modulation amplifying circuit and preventing the static working point from sudden change is fulfilled when the amplitude modulation amplifying circuit is interfered by a large dynamic abnormal signal.
In order to detect whether phase distortion exists in the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit and control the phase correction circuit, the phase detection control circuit is adopted, an operational amplifier AR2 is used for comparing the cloud computing wireless network signal output by the frequency modulation noise filtering circuit with a zero value, and when the cloud computing wireless network signal is in a positive half cycle, a forward rectangular wave is output through a diode D3; comparing the cloud computing wireless network signal output by the amplitude modulation amplifying circuit with a zero value by using an operational amplifier AR3, and outputting a forward rectangular wave through a diode D2 when the cloud computing wireless network signal is in a positive half cycle;
when the diode D3 and the diode D2 output forward rectangular waves at the same time, namely the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is consistent with the phase of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, when the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit does not have phase distortion, the controlled silicon D5 and the controlled silicon D6 are both conducted, the power supply +12V starts to charge the capacitor C4, and simultaneously the power supply +12V is connected with the contact 2 through the contact 1 of the relay K3 and is added with the contact 2The load is loaded on a contact 6 of a relay K1, at the moment, a contact 1 of the relay is connected with a contact 2, a contact 3 is connected with a contact 4, an operational amplifier AR4 starts to compare the outputs of a diode D3 and a diode D2, namely, the phases of a cloud computing wireless network signal output by a frequency modulation noise filtering circuit and a cloud computing wireless network signal output by an amplitude modulation amplifying circuit are compared, until the voltage on a capacitor C4 reaches the conduction voltage of a relay K3, the contact 1 of the relay K3 is connected with the contact 3, the contact 1 of the relay K1 is disconnected with the contact 2, the contact 3 is disconnected with the contact 4, and the operational amplifier AR4 stops comparison; the time for the voltage on the capacitor C4 to charge from zero to the turn-on voltage of the relay K3 is set
Figure 682629DEST_PATH_IMAGE002
Calculating half of the wireless network signal period for the cloud, wherein
Figure 255561DEST_PATH_IMAGE004
Is the turn-on voltage of relay K3; because the frequency and amplitude of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit are consistent with those of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, the forward rectangular wave output by the diode D3 is the same as the forward rectangular wave frequency and the forward level value output by the diode D2, and because the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is the same as that of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, namely the forward rectangular wave output by the diode D3 is the same as that output by the diode D2, the voltage on the capacitor C4 is not output in the time period from zero charging to the conducting voltage of the relay K3, the operational amplifier AR4 does not output, and the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit is directly transmitted to the power reinforcing circuit through the contact 1 of the relay K2 to be connected with the contact 2;
when the diode D3 outputs a positive rectangular wave firstly, namely the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is ahead of that of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, when the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit has phase distortion, the silicon controlled rectifier D6 is conducted, the power supply +12V starts to charge the capacitor C4, meanwhile, a power supply +12V is loaded on the contact 6 of the relay K1 through the contact 1 of the relay K3 to be connected with the contact 2, at the moment, the contact 1 of the relay is connected with the contact 2, the contact 3 is connected with the contact 4, the operational amplifier AR4 starts to compare the outputs of the diode D3 and the diode D2 until the voltage on the capacitor C4 reaches the conduction voltage of the relay K3, the contact 1 of the relay K3 is connected with the contact 3, the contact 1 of the relay K1 is connected with the contact 2, the contact 3 is connected with the contact 4, and the operational amplifier AR4 stops comparison; because the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is ahead of that of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, namely the forward rectangular wave output by the diode D3 is earlier than that output by the diode D2, in the time period from zero charging of the voltage on the capacitor C4 to the conducting voltage of the relay K3, the output of the operational amplifier AR4 is a negative value, the triode Q5 is conducted, the +6V power is loaded on the contact 4 of the relay K2 through the triode Q5, and the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit is transmitted to the phase correction circuit through the contact 1 and the contact 3 of the relay K2;
when the diode D2 outputs a forward rectangular wave first, namely the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit lags behind the phase of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, when the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit has phase distortion, the controlled silicon D5 is conducted, the power supply +12V starts to charge the capacitor C4, meanwhile, a power supply +12V is loaded on the contact 6 of the relay K1 through the contact 1 of the relay K3 to be connected with the contact 2, at the moment, the contact 1 of the relay is connected with the contact 2, the contact 3 is connected with the contact 4, the operational amplifier AR4 starts to compare the outputs of the diode D3 and the diode D2 until the voltage on the capacitor C4 reaches the conduction voltage of the relay K3, the contact 1 of the relay K3 is connected with the contact 3, the contact 1 of the relay K1 is connected with the contact 2, the contact 3 is connected with the contact 4, and the operational amplifier AR4 stops comparison; because the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit lags behind the phase of the cloud computing wireless network signal output by the amplitude modulation amplifying circuit, namely, the forward rectangular wave output by the diode D2 is in the forward rectangular wave output by the diode D3, in the time period from zero charging of the voltage on the capacitor C4 to the conducting voltage of the relay K3, the output of the operational amplifier AR4 is a positive value, the triode Q4 is conducted, the +6V power is loaded on the contact 4 of the relay K2 through the triode Q4, and the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit is transmitted to the phase correction circuit through the contact 1 and the contact 3 of the relay K2;
the resistors R12-R14, the resistor R25 and the resistor R26 are all current-limiting resistors, and therefore components are prevented from being damaged when current in the circuit is too large.
If the cloud computing wireless network signal after passing through the frequency modulation noise filtering circuit has phase distortion, in order to correct the phase of the cloud computing wireless network signal and solve the phase distortion problem, a phase correction circuit is adopted to receive the cloud computing wireless network signal output by a contact 3 of a relay K2 of the phase detection control circuit, when the output of an operational amplifier AR4 in the phase detection control circuit is positive, namely the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is lagged than that of the cloud computing wireless network signal output by an amplitude modulation amplifying circuit, a triode Q6 in the phase correction circuit is switched on, a triode Q7 is switched off, an inductor L2 is switched in, the cloud computing wireless network signal is subjected to advanced phase shift by utilizing the characteristic of leading current of voltage of an inductor L2, and on the contrary, when the output of an operational amplifier AR4 is negative, namely the phase of the cloud computing wireless network signal output by the frequency modulation noise filtering circuit is advanced than that of the phase, a triode Q6 in the phase correction circuit is cut off, a triode Q7 is conducted, a capacitor C5 is connected, the cloud computing wireless network signal is subjected to lagging phase shifting by using the characteristic of current leading voltage of the capacitor C5, and the cloud computing wireless network signal after phase correction is also transmitted to the power strengthening circuit.
In order to strengthen the power of cloud computing wireless network signals and stably receive the cloud computing wireless network signals, a power strengthening circuit is adopted, a common-source voltage amplifying circuit is formed by a double-gate field-effect tube Q8, resistors R18-R22, a capacitor C10 and inductors L3-L6, common-source voltage amplification is carried out on weak cloud computing wireless network signals, the amplification factor of the common-source voltage amplifying circuit is determined by the resistance value of a resistor R20, the resistor R22 is a negative feedback resistor in a static state and plays a role in stabilizing the static working point of the double-gate field-effect tube Q8 in temperature change, the capacitor C10 is a bypass capacitor, the resistor R22 is short-circuited in a dynamic state, and the amplification factor of the common-source voltage amplifying circuit is improved; the resistor R19 is used for setting a first grid voltage of the double-grid field effect transistor Q8, the resistor R18 and the resistor R21 are bias resistors, and the resistor R19 is used for setting a second grid voltage of the double-grid field effect transistor Q8; the inductor L3-L6 has the functions of preventing noise from entering the common-source voltage amplification circuit, absorbing clutter and stabilizing the static working point of the common-source voltage amplification circuit;
a common-collector current amplifying circuit is formed by the aid of triodes Q9-Q10, diodes D7-D8 and resistors R23-R24, common-collector current amplification is conducted on cloud computing wireless network signals, when the cloud computing wireless network signals are in a static state, base bias voltages are provided for the triodes Q10 and Q9 through the resistors R23 and R24 respectively, and emitter junction voltages of the triodes Q9 and Q10 are forward conducting voltage drops of the diodes D7 and D8 respectively, so that the diodes D7 and D8 are in weak conducting states, namely class A and class B working states, and cross-over distortion is overcome; in a dynamic state, when the input is the positive half cycle of the cloud computing wireless network signal, the triode Q9 is switched on, the triode Q10 is switched off, and the +12V power supply outputs compensation current through the triode Q9 to form the positive half cycle of the common current collection amplifying circuit outputting the cloud computing wireless network signal; when the negative half cycle of the cloud computing wireless network signal is input, the triode Q9 is cut off, the triode Q10 is conducted, the power supply-12V outputs compensation current through the triode Q10 to form a negative half cycle of the common current collection amplifying circuit outputting the cloud computing wireless network signal, the triode Q9 and the triode Q10 work in turn to obtain a complete output waveform after addition, and power amplification is realized in the form of compensation and amplification current, so that the strength of the cloud computing wireless network signal is enhanced, the stability of the cloud computing wireless network signal is increased, and the cloud computing wireless network signal after power enhancement is transmitted to the cloud computing control terminal;
and the triode Q9 and the triode Q10 are high-power triodes with the same characteristics, the resistance of the resistor R23 is the same as that of the resistor R24, the capacitors C7-C8 and the capacitors C12-C13 are decoupling capacitors, and the capacitors C6, C11 and C14 are coupling capacitors.
The specific structure of the frequency modulation noise filtering circuit comprises that one end of an inductor L1 is connected with one end of a capacitor C1, one end of a cloud computing signal receiver output port and the input end of an amplitude modulation amplifying circuit, the other end of a capacitor C1 is connected with one end of a resistor R1 and one end of a resistor R2, the other end of a resistor R2 is connected with one end of a capacitor C2 and one end of a capacitor C3, the other end of the inductor L1 is grounded and the other end of a resistor R1 and the other end of a capacitor C2, the other end of the capacitor C3 is connected with the non-inverting input end of an operational amplifier AR1, the inverting input end of an operational amplifier AR1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of a resistor R3 is grounded, and the other end of a resistor R4.
According to the specific structure of the amplitude modulation amplifying circuit, one end of a resistor R5 is connected with one end of a resistor R10, an output port of a cloud computing signal receiver and an input end of a frequency modulation noise filtering circuit, the other end of the resistor R5 is connected with a grid electrode of a field effect tube Q1, a source electrode of the field effect tube Q1 is connected with one end of a resistor R7, the other end of the resistor R7 is connected with one end of a resistor R8 and an anode electrode of a diode D4, a cathode electrode of the diode D4 is connected with a power supply-12V, the other end of the resistor R8 is connected with a source electrode of the field effect tube Q2 and an inverting input end of an operational amplifier AR3 in a phase detection control circuit, a grid electrode of the field effect tube Q2 is connected with the other end of a resistor R10, a drain electrode of the field effect tube Q2 is connected with one end of the resistor R9, the other end of the resistor R9 is connected with an anode electrode of the.
The specific structure of the phase detection control circuit comprises that the non-inverting input end of an operational amplifier AR3 is connected with the output end of an amplitude modulation amplifying circuit, the inverting input end of an operational amplifier AR3 is grounded, the output end of an operational amplifier AR3 is connected with the anode of a diode D2, the cathode of a diode D2 is connected with a contact 3 of a relay K1 and the control electrode of a controlled silicon D5, a contact 4 of a relay K1 is connected with the non-inverting input end of an operational amplifier AR4, a contact 5 of a relay K1 is grounded, a contact 6 of a relay K1 is connected with one end of a resistor R26, a contact 1 of a relay K1 is connected with the cathode of a diode D3 and the control electrode of a controlled silicon D6, a contact 2 of a relay K1 is connected with the inverting input end of an operational amplifier AR4, the anode of a diode D3 is connected with the output end of an operational amplifier AR2, the inverting input end of an operational amplifier AR 9 is grounded, the non-inverting input end of an operational amplifier AR2 is, a contact 2 of a relay K2 is connected with an input end of the power strengthening circuit and an output end of the phase correction circuit, a contact 3 of a relay K2 is connected with an input end of the phase correction circuit, a contact 5 of a relay K2 is grounded, a contact 4 of a relay K2 is connected with one end of a resistor R13, the other end of a resistor R13 is connected with a collector of a triode Q5 and an emitter of a triode Q4, a base of a triode Q4 is connected with a base of a triode Q5, one end of a resistor R12 and a base of a triode Q6 and a base of a triode Q7 in the phase correction circuit, a collector of a triode Q4 is connected with a power supply +6V and an emitter of a triode Q5, the other end of a resistor R12 is connected with an output end of an amplifier AR4, the other end of a resistor R26 is connected with a contact 2 of a relay K2, a contact 1 of a contact K2 is connected with a thyristor D5, a cathode of a thyristor D6 and one end of a potentiometer R6, an anode, the other end of the potentiometer R11 is connected with a contact 5 of the relay K2 and one end of a capacitor C4, the other end of the capacitor C4 is grounded and one end of a resistor R25, and the other end of the resistor R25 is connected with a contact 3 of the relay K3.
The specific structure of the phase correction circuit is that one end of a potentiometer R17 is connected with one end of a resistor R15 and a contact 3 of a relay K2 of a phase detection control circuit, the other end of the potentiometer R17 is connected with an emitter of a triode Q7, a collector of a triode Q6 and a non-inverting input end of an operational amplifier AR5, an inverting input end of the operational amplifier AR5 is connected with one end of a resistor R16 and the other end of a resistor R15, an output end of the operational amplifier AR5 is connected with a contact 2 of the relay K2 of the phase detection control circuit and an input end of a power enhancement circuit, a collector of a triode Q7 is connected with one end of a capacitor C5, the other end of the capacitor C5 is grounded and one end of an inductor L2, the other end of the inductor L2 is connected with an emitter of a triode Q6, and a base of a triode Q6 is connected with a base of a triode Q7 and one end of a resistor R12, a triode Q.
The specific structure of the power enhancement circuit is that one end of a capacitor C6 is connected with a contact 2 of a relay K2 of the phase detection control circuit and an output end of the phase correction circuit, the other end of the capacitor C6 is connected with one end of an inductor L3, one end of an inductor L4 and a second grid of a double-grid field effect transistor Q8, the other end of the inductor L3 is connected with one end of a resistor R18, the other end of a resistor R18 is connected with a power supply +12V and one end of a resistor R19, a resistor R20, a capacitor C7 and one end of a capacitor C8, the other end of the capacitor C8 is grounded and the other end of the capacitor C8, the other end of the resistor R8 is connected with a first grid of the double-grid field effect transistor Q8, the other end of the resistor R8 is connected with one end of the inductor L8, the other end of the inductor L8 is connected with one end of the drain of the double-grid field effect transistor Q8 and one end of the capacitor C8, the other end of the resistor R8 is grounded and the other end of, One end of a resistor R21 and the other end of a capacitor C10, the other end of the resistor R21 is connected with the other end of an inductor L4, the other end of a capacitor C12 is connected with one end of a power supply-12V and a resistor R23, and the collector of a triode Q10, the other end of the resistor R23 is connected with the base of a triode Q10 and the cathode of a diode D8, the anode of the diode D8 is connected with the cathode of a diode D7 and the other end of a capacitor C11, the anode of a diode D7 is connected with the base of a triode Q9 and one end of a resistor R24, the other end of the resistor R24 is connected with the power supply +12V and the collector of a triode Q9, and one end of a capacitor C13, the other end of the capacitor C13 is grounded, the emitter of the triode Q9 is connected with the emitter of a triode Q10 and one.
When the cloud computing wireless network signal processing device is used specifically, a cloud computing signal receiver transmits a cloud computing wireless network signal in two paths, one path is transmitted to a frequency modulation noise filtering circuit, the other path is transmitted to an amplitude modulation amplifying circuit, the frequency modulation noise filtering circuit filters direct current interference in the cloud computing wireless network signal by using an inductor L1, a high-pass filtering network is formed by using a capacitor C1 and a resistor R1, low-frequency noise is grounded by a resistor R1, a low-pass filtering network is formed by using a capacitor C2 and a resistor R2, and high-frequency noise is grounded by using a capacitor C2; the amplitude modulation amplifying circuit differentially amplifies cloud computing wireless network signals by using field effect transistors Q1-Q2, and a diode D1 and a diode D2 are used for respectively isolating and protecting a power supply +12V and a power supply-12V; the phase detection control circuit compares the cloud computing wireless network signal output by the frequency modulation noise filtering circuit with a zero value by using the operational amplifier AR2, and outputs a forward rectangular wave through the diode D3 when the cloud computing wireless network signal is a positive half cycle; the cloud computing wireless network signal output by the amplitude modulation amplifying circuit is compared with a zero value by using an operational amplifier AR3, when the cloud computing wireless network signal is in a positive half cycle, a forward rectangular wave is output through a diode D2, when the diode D3 or a diode D2 outputs the forward rectangular wave, a power supply +12V starts to charge a capacitor C4, meanwhile, the power supply +12V is loaded on a relay K3, a contact 1 of a relay K1 is connected with a contact 2, a contact 3 is connected with a contact 4, the operational amplifier AR4 compares the outputs of the diode D3 and a diode D2, when the operational amplifier AR4 outputs, the contact 1 of the relay K2 is connected with the contact 3, and when the voltage on the capacitor C4 reaches the conducting voltage of the relay K3, the operational amplifier AR4 stops comparison; when the output of the operational amplifier AR4 is positive, a triode Q6 in the phase correction circuit is conducted, an inductor L2 is connected, the cloud computing wireless network signal is subjected to advanced phase shift by using the characteristic of voltage advanced current of the inductor L2, on the contrary, when the output of the operational amplifier AR4 is negative, a triode Q7 in the phase correction circuit is conducted, a capacitor C5 is connected, and the cloud computing wireless network signal is subjected to delayed phase shift by using the characteristic of current advanced voltage of a capacitor C5; the power strengthening circuit uses a double-grid field effect transistor Q8, a resistor R18-R22, a capacitor C10 and an inductor L3-L6 to form a common-source voltage amplifying circuit to amplify common-source voltage of weak cloud computing wireless network signals, uses a triode Q9-Q10, a diode D7-D8 and a resistor R23-R24 to form a common-collector current amplifying circuit to amplify common-collector current of the cloud computing wireless network signals, when the input is the positive half cycle of the cloud computing wireless network signals, the triode Q9 is switched on, the triode Q10 is switched off, a power supply +12V outputs compensating current through the triode Q9 to form the positive half cycle of the cloud computing wireless network signal output by the common-collector current amplifying circuit, when the input is the negative half cycle of the cloud computing wireless network signals, the triode Q9 is switched off, the triode Q10 is switched on, the power supply-12V outputs compensating current through the triode Q10, and a negative half cycle of the common current collection amplifying circuit for outputting the cloud computing wireless network signal is formed, the triode Q9 and the triode Q10 work in turn, a complete output waveform is obtained after the two work are added, and power amplification is realized in the form of compensation and current amplification.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.

Claims (6)

1. A cloud computing wireless network signal enhancement system comprises a cloud server, a cloud computing signal receiver, a signal enhancement module and a cloud computing control terminal, and is characterized in that the cloud computing signal receiver receives a cloud computing wireless network signal transmitted by the cloud server and transmits the cloud computing wireless network signal to the signal enhancement module, the signal enhancement module performs signal enhancement on the cloud computing wireless network signal and transmits the cloud computing wireless network signal to the cloud computing control terminal, and the signal enhancement module comprises a frequency modulation noise filtering circuit, an amplitude modulation amplification circuit, a phase detection control circuit, a phase correction circuit and a power enhancement circuit;
the cloud computing signal receiver transmits cloud computing wireless network signals in two paths, one path is transmitted to a frequency modulation noise filtering circuit, the other path is transmitted to an amplitude modulation amplifying circuit, the frequency modulation noise filtering circuit uses capacitors C1-C2, an inductor L1 and resistors R1-R2 to form a noise filtering network to filter direct current interference and high-frequency and low-frequency noise in the cloud computing wireless network signals, the amplitude modulation amplifying circuit uses field effect tubes Q1-Q2 to differentially amplify the cloud computing wireless network signals, the phase detection control circuit uses operational amplifiers AR2-AR3 as comparators to respectively compare the cloud computing wireless network signals output by the frequency modulation noise filtering circuit and the amplitude modulation amplifying circuit with zero values, when the cloud computing wireless network signals are positive half cycles, forward rectangular waves are output through a diode D3 and a diode D2, a power supply +12V starts to charge a capacitor C4, and the operational amplifier AR4 compares the outputs of a diode D3 and a diode D2, when the operational amplifier AR4 has output, the contact 1 of the relay K2 is connected with the contact 3, until the voltage on the capacitor C4 reaches the conducting voltage of the relay K3, the operational amplifier AR4 stops comparison, when the output of the operational amplifier AR4 is positive, the triode Q6 in the phase correction circuit is connected, the inductor L2 is connected, the cloud computing wireless network signal is subjected to leading phase shifting by using the characteristic of leading current of the inductor L2, on the contrary, when the output of the operational amplifier AR4 is negative, the triode Q7 in the phase correction circuit is connected, the capacitor C5 is connected, the cloud computing wireless network signal is subjected to lagging phase shifting by using the characteristic of leading current of the capacitor C5, the power enhancement circuit performs common-source voltage amplification on the cloud computing wireless network signal by using the double-gate field effect transistor Q8, and performs common-source current amplification on the cloud computing wireless network signal by using the triodes Q9-Q10.
2. The cloud computing wireless network signal enhancement system as claimed in claim 1, wherein the frequency modulation noise filtering circuit includes an inductor L1, one end of the inductor L1 is connected to one end of a capacitor C1, an output port of the cloud computing signal receiver and an input end of the amplitude modulation amplifying circuit, the other end of the capacitor C1 is connected to one end of a resistor R1 and one end of a resistor R2, the other end of the resistor R2 is connected to one end of a capacitor C2 and one end of a capacitor C3, the other end of the inductor L1 is connected to ground and the other ends of a resistor R1 and a capacitor C2, the other end of the capacitor C3 is connected to a non-inverting input end of the amplifier AR1, an inverting input end of the amplifier AR1 is connected to one end of a resistor R3 and a resistor R4, the other end of the resistor R3 is connected to ground, and the other end of the resistor R4 is connected to an output end of the amplifier AR.
3. The cloud computing wireless network signal enhancement system as claimed in claim 1, wherein the amplitude modulation amplifying circuit includes a resistor R5, one end of the resistor R5 is connected to one end of the resistor R10, the output port of the cloud computing signal receiver and the input end of the frequency modulation noise filtering circuit, the other end of the resistor R5 is connected to the gate of the fet Q1, the source of the fet Q1 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the resistor R8 and the anode of the diode D4, the cathode of the diode D4 is connected to the power supply-12V, the other end of the resistor R8 is connected to the source of the fet Q2 and the inverting input end of the operational amplifier AR3 in the phase detection control circuit, the gate of the fet Q2 is connected to the other end of the resistor R10, the drain of the fet Q2 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the resistor R6 and the cathode of, the other end of the resistor R6 is connected with the drain of the field effect transistor Q1.
4. The cloud computing wireless network signal enhancement system as claimed in claim 1, wherein the phase detection control circuit comprises an operational amplifier AR3, a non-inverting input terminal of the operational amplifier AR3 is connected with an output terminal of the AM amplifying circuit, an inverting input terminal of the operational amplifier AR3 is grounded, an output terminal of the operational amplifier AR3 is connected with an anode terminal of a diode D2, a cathode terminal of a diode D2 is connected with a contact 3 of a relay K1 and a control electrode of a thyristor D5, a contact 4 of a relay K1 is connected with a non-inverting input terminal of the operational amplifier AR4, a contact 5 of the relay K1 is grounded, a contact 6 of a relay K1 is connected with one end of a resistor R26, a contact 1 of a relay K1 is connected with a cathode terminal of a diode D3 and a control electrode of a thyristor D6, a contact 2 of a relay K1 is connected with an inverting input terminal of the operational amplifier AR4, an anode terminal of a diode D3 is connected with an output terminal of an AR2, an input terminal of an operational amplifier AR2 is grounded, an inverting input, the other end of the resistor R14 is connected with a contact 1 of a relay K2, a contact 2 of the relay K2 is connected with an input end of a power strengthening circuit and an output end of a phase correction circuit, a contact 3 of the relay K2 is connected with an input end of the phase correction circuit, a contact 5 of the relay K2 is grounded, a contact 4 of the relay K2 is connected with one end of a resistor R13, the other end of the resistor R13 is connected with a collector of a triode Q5 and an emitter of a triode Q4, a base of a triode Q4 is connected with a base of a triode Q5, one end of a resistor R12 and a base of a triode Q6 and a base of a triode Q7 in the phase correction circuit, a collector of a triode Q4 is connected with a power supply +6V and an emitter of a triode Q5, the other end of the resistor R12 is connected with an output end of an amplifier AR4, the other end of a resistor R26 is connected with a contact 2 of the relay K2, a contact 1 of the relay K2 is connected with a, the anode of the controlled silicon D5 is connected with the anode of the power supply +12V and the controlled silicon D6, the other end of the potentiometer R11 is connected with the contact 5 of the relay K2 and one end of the capacitor C4, the other end of the capacitor C4 is grounded and one end of the resistor R25, and the other end of the resistor R25 is connected with the contact 3 of the relay K3.
5. The cloud computing wireless network signal enhancement system as claimed in claim 1, wherein the phase correction circuit includes a potentiometer R17, one end of the potentiometer R17 is connected to one end of a resistor R15 and a contact 3 of a relay K2 of the phase detection control circuit, the other end of the potentiometer R17 is connected to an emitter of a transistor Q7, a collector of a transistor Q6 and a non-inverting input end of an operational amplifier AR5, an inverting input end of the operational amplifier AR5 is connected to one end of a resistor R16 and the other end of a resistor R15, an output end of the operational amplifier AR5 is connected to a contact 2 of the relay K2 of the phase detection control circuit and an input end of the power enhancement circuit, a collector of the transistor Q7 is connected to one end of a capacitor C5, the other end of the capacitor C5 is connected to ground and one end of an inductor L2, the other end of the inductor L2 is connected to an emitter of a triode Q6, a base of a triode Q5 is connected to a base of the triode Q7 and one end of a resistor, A base electrode of a triode Q4 and a base electrode of a triode Q5.
6. The signal enhancement system of the cloud computing wireless network as claimed in claim 1, wherein the power enhancement circuit includes a capacitor C6, one end of the capacitor C6 is connected to the contact 2 of the relay K2 of the phase detection control circuit and the output end of the phase correction circuit, the other end of the capacitor C6 is connected to one end of an inductor L3, one end of an inductor L4 and the second gate of a dual-gate fet Q8, the other end of the inductor L3 is connected to one end of a resistor R18, the other end of the resistor R18 is connected to the power supply +12V and a resistor R19, a resistor R20, a capacitor C7 and one end of a capacitor C8, the other end of the capacitor C7 is connected to the ground and the other end of a capacitor C8, the other end of the resistor R19 is connected to the first gate of the dual-gate fet Q8, the other end of the resistor R20 is connected to one end of an inductor L5, the other end of the inductor L5 is connected to the drain of the dual-gate fet Q8 and one end of the, the other end of the inductor L6 is connected to one end of a capacitor C10 and one end of a resistor R22, the other end of the resistor R22 is grounded, the other end of the capacitor C12 and one end of a resistor R21 are connected to the other end of the capacitor C10, the other end of the resistor R21 is connected to the other end of the inductor L4, the other end of the capacitor C12 is connected to one end of a power supply-12V and one end of a resistor R23 and a collector of a triode Q10, the other end of the resistor R23 is connected to a base of the triode Q23 and a cathode of a diode D23, an anode of the diode D23 is connected to a cathode of the diode D23 and the other end of the capacitor C23, an anode of the diode D23 is connected to a base of the triode Q23 and one end of the resistor R23, the other end of the resistor R23 is connected to the power supply +12V and a collector of the triode Q23, one end of the capacitor C23, the other end of the capacitor.
CN202011381463.9A 2020-12-01 2020-12-01 Cloud computing wireless network signal enhancement system Withdrawn CN112468169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011381463.9A CN112468169A (en) 2020-12-01 2020-12-01 Cloud computing wireless network signal enhancement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011381463.9A CN112468169A (en) 2020-12-01 2020-12-01 Cloud computing wireless network signal enhancement system

Publications (1)

Publication Number Publication Date
CN112468169A true CN112468169A (en) 2021-03-09

Family

ID=74805105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011381463.9A Withdrawn CN112468169A (en) 2020-12-01 2020-12-01 Cloud computing wireless network signal enhancement system

Country Status (1)

Country Link
CN (1) CN112468169A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113708785A (en) * 2021-09-15 2021-11-26 许昌学院 Anti-interference system for big data network transmission
CN114132736A (en) * 2021-12-03 2022-03-04 四川东泉机械设备制造有限公司 System for transporting plate-shaped bottom die
CN114760648A (en) * 2022-05-16 2022-07-15 南京冰河时代网络科技有限公司 Cloud wifi signal processing method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113708785A (en) * 2021-09-15 2021-11-26 许昌学院 Anti-interference system for big data network transmission
CN114132736A (en) * 2021-12-03 2022-03-04 四川东泉机械设备制造有限公司 System for transporting plate-shaped bottom die
CN114132736B (en) * 2021-12-03 2023-08-08 四川东泉机械设备制造有限公司 Plate-shaped bottom die transportation system
CN114760648A (en) * 2022-05-16 2022-07-15 南京冰河时代网络科技有限公司 Cloud wifi signal processing method

Similar Documents

Publication Publication Date Title
CN112468169A (en) Cloud computing wireless network signal enhancement system
CN109596483B (en) Operation environment detection system
US11984859B2 (en) Chopper amplifying circuit employing negative impedance compensation technique
CN110324431B (en) User data management system based on cloud computing
US4559503A (en) Amplifier for correcting group time delay of electrical signals and an intermediate frequency amplifier stage for radio equipment comprising an amplifier of this kind
CN109814465B (en) Water supply remote monitoring system based on Internet of things
EP2883306A1 (en) Device for negative group delay
US2802938A (en) Diode detector-transistor amplifier circuit for signal receivers
CN205427057U (en) A sensor for measuring electrified volume of dust
CN110333753B (en) Building site information transmission system
CN113225024B (en) Low-noise voltage amplification conditioning circuit for high-resistance source measurement
US4124819A (en) Disturbing signal detection circuit
CN109612886A (en) Operating environment precaution device
CN116318048B (en) Data acquisition card circuit
US2520621A (en) Frequency discriminator
US4110635A (en) Amplifying circuit
CN111291423A (en) Safety protection system of block chain
CN216210570U (en) Low-temperature-drift effective value conversion circuit
US2351212A (en) Convertible demodulator circuit
US2498253A (en) Frequency-modulation detector system
CN205160476U (en) Power amplifier with distortion compensating circuit
US6836199B2 (en) Tuning circuit
US2233339A (en) Radio detecting system
CN111487559A (en) Power leakage detection system
CN209517067U (en) A kind of balanced Low Noise Amplifier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210309