CN103532524B - Pulse radio signal generating and transmitting system and control method of system - Google Patents
Pulse radio signal generating and transmitting system and control method of system Download PDFInfo
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- CN103532524B CN103532524B CN201310447644.0A CN201310447644A CN103532524B CN 103532524 B CN103532524 B CN 103532524B CN 201310447644 A CN201310447644 A CN 201310447644A CN 103532524 B CN103532524 B CN 103532524B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims description 29
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Abstract
The invention discloses a pulse radio signal generating and transmitting system comprising a digital control back end, a first switch, a second switch, an exciting unit, a primary resonance unit, a coupling unit and a secondary resonance unit, wherein the secondary resonance unit comprises an antenna unit, the digital control back end is connected with the exciting unit through the first switch and is also connected with the coupling unit through the second switch, the exciting unit, the primary resonance unit, the coupling unit and the secondary resonance unit are sequentially and electrically connected, and the digital control back end controls the on-off of the first switch and the second switch, so that the system carries out a switching operation at an isolating state and a coupling state and realizes the transmission of pulse signals. The invention further discloses a control method of the pulse radio signal generating and transmitting system. According to the pulse radio signal generating and transmitting system and the control method of the system, which are disclosed by the invention, no complex semiconductor electronic devices and circuits are provided, the power consumption and the complexity of the system are reduced, the circuits are simple, the design is smart, and the system and the control method are worthy of being popularized and applied.
Description
Technical field
The invention belongs to pulse wireless electrical domain, more particularly to a kind of impulse radio signal produce and emission system and its
Control method.
Background technology
Pulse wireless power technology has the advantages that simple system architecture, low cost, power consumption are low a series of unique, in radar
There are many applications in the fields such as detection, wireless near field communication, wireless sensing and RF identification.The application of pulse wireless power technology
Scene is all more sensitive to cost, power consumption and volume, so the low-power consumption of system, low complex degree and miniaturization are always industrial quarters
With the study hotspot of academia.
The method that at present pulse signal is generated mainly has two big class：Photoelectric method and electronic method.Photoelectric method can be obtained
To psec（ps）The pulse of level width, and uniformity is good, but conversion efficiency is low, also fails to enter the practical stage at present.Electronics
Method ties the benign breakdown characteristics of reverse snowslide using semiconductor PN and high-speed figure combinational logic circuit produces below 1ns
Ultra-wideband pulse, because its circuit structure is relatively simple extensive research and application are obtained.Electronic method is main can to divide three again
Kind：The first is to produce UWB pulses using the warfare of high-speed cmos logic gates, and this mode can produce approximate each
Rank differential Gaussian pulse, but output pulse amplitude is low, usually hundreds of mV, circuit static power consumption is larger.Second is traditional
Avalanche breakdown conducting control electric capacity based on BJT discharges to form UWB pulses.This kind of impulse generator output pulse amplitude
Greatly, circuit static power consumption is close zero, pulse width is little and is easily controlled, but can only typically produce approximate Gaussian pulse, and frequency spectrum
DC component is big, and needs can just meet FCC Emission Mask standards through strict Waveform shaping.The third is using various height
Fast electronic device, such as tunnel diode, step-recovery diode, pulsed-discharge tube, gallium arsenide FET logic circuit collection
Into circuit.Pulse-generator circuit structure designed by electronic method is all complex, integrated to have certain difficulty.For
The requirement of system compact, electronically small antenna is rationally applied to impulse ejection system and is also always a research tendency.The little day of electricity
Line refers to antenna of the antenna size much smaller than wavelength, is characterized in that radiation resistance is little, input reactance is high, radiation efficiency is low, directionality
Weak, simple structure, its performance are insensitive to its structure.The transfer function of electronically small antenna is similar linear, when this point meets
The distortionless requirement of domain impulse waveform, but because radiation resistance is little, radiation efficiency is very low, it is generally difficult to it is applied to sending out for pulse signal
Send, this is also one of problem that the present invention puts forth effort solution.
Architecturally, traditional impulse ejection system is multiple by pulse generation, shaping, amplification and transmitting antenna etc.
It is unit cascaded to form, so needing to carry out each several part individually designed and debugging in design process, increased answering for design realization
Miscellaneous degree.For example, for the application of high rate communication, it usually needs using multiple lists such as shaping pulse, mixed modulated, broadband power amplifiers
Unit, power consumption and cost it is larger.For low rate application, the synthetic impulse technology based on transmission line time delay can be adopted to produce pulse,
Cost and power consumption are relatively low, but the accuracy to delay unit has higher requirements, and design is realized complex.
The content of the invention
Defect of the present invention for background technology, it is proposed that a kind of impulse radio signal is produced and emission system and its control
Method processed, without the need for complicated semi-conductor electronic device and circuit, by switch the work between each unit is coordinated, and is produced and is launched
Impulse radio signal, reduces system power dissipation and system complexity, and circuit is simple, is skillfully constructed, and is worthy of popularization.
In order to solve the above problems, technical scheme is as follows；
A kind of impulse radio signal is produced and emission system, including digital control rear end, first switch, second switch,
Exciting unit, primary resonant unit, coupling unit and secondary resonance unit, secondary resonance unit includes antenna element, and excitation is single
Unit, first switch, primary resonant unit, second switch, coupling unit and secondary resonance unit are electrical connected successively, digital control
Rear end is connected respectively with first switch and second switch, and controls its break-make.
The invention also discloses the impulse radio signal produces the control method with emission system, it is specific as follows：
Under the control of digital control rear end, by first, second on-off control system in both work of isolation and couple state
Work is switched under state：
Isolation：Digital control rear end control first switch closure and second switch disconnect, and exciting unit is humorous with primary
The unit that shakes is connected, and exciting unit is supplied to primary resonant unit non-zero energy storage, and secondary resonance unit energy storage is zero, primary resonant list
Without energy exchange between unit and secondary resonance unit；
Couple state：Digital control rear end control first switch disconnects and second switch closure, and exciting unit is humorous with primary
The unit that shakes is disconnected, and coupling unit work, the energy storage of primary resonant unit and secondary resonance unit is exchanged back and forth, primary resonant
When unit energy storage reaches maximum, secondary resonance unit energy storage reaches minimum, when primary resonant element energy storage is minimum, secondary resonance
Unit energy storage reaches maximum, and pulse signal transmitting is formed in the process；
After pulse signal transmitting, remaining energy transfer to primary resonant unit, now, digital control rear end control second
Switch off, turn off coupling unit, be switched to isolation, complete the emission process of pulse signal.
Used as the further prioritization scheme of the present invention, described exciting unit is swashed using direct voltage source or single frequency sinusoidal
Encourage.
Used as the further prioritization scheme of the present invention, described coupling unit adopts LC parallel branches, aperture or micro-strip
Line coupled modes.
Used as the further prioritization scheme of the present invention, described primary resonant unit and secondary resonance unit adopts mutual inductance line
Circle, metal, medium or transmission line resonator.
The present invention adopts above technical scheme compared with prior art, with following technique effect：
Firstth, it is of the invention compared with traditional pulsating wireless transmission architecture, system complexity can be greatly lowered；
Secondth, pulse of the invention is generated without the need for complicated semiconductor devices, by resonance coupling recycling resonance list
First storage energy, realizes low power dissipation design；
3rd, system design need not consider the matching between independent design each unit, without moulds such as special frequency conversion, modulation
Block, it is possible to decrease design and cost of manufacture；
4th, the present invention is by Real-Time Switch control realization pulse-width, the pulse to resonant element and coupling unit
Amplitude and the repetition rate of pulse regulate and control, simple with digital baseband system Interface design, change without the need for special digital-to-analog
（ADC）Circuit, it is easy to accomplish the digitlization of transmitter system.
Description of the drawings
Fig. 1 is the circuit diagram of the present invention.
Fig. 2（a）It is first embodiment of the present invention schematic diagram.
Fig. 2（b）It is the typical waveform schematic diagram when first embodiment of the present invention works.
Fig. 3 is second embodiment of the present invention schematic diagram.
Fig. 4（a）It is third embodiment of the present invention schematic diagram.
Fig. 4（b）It is the waveform diagram of the third embodiment of the present invention.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
A kind of impulse radio signal is produced and emission system and its control method, as shown in figure 1, including after digital control
End, first switch, second switch, exciting unit S1, primary resonant cell S 2, coupling unit S3 and secondary resonance cell S 4, swash
Encourage cell S 1, primary resonant cell S 2, coupling unit S3 and secondary resonance cell S 4 to be electrical connected successively, exciting unit S1 is by counting
Word controls rear end by first switch control, is that primary resonant cell S 2 provides resonance energy storage；Digital control rear end passes through second
Switch is connected with coupling unit S3, antenna element of the secondary resonance cell S 4 comprising high q-factor, to launch pulse.
In technical scheme, the control signal of first and second switch is provided by digital control rear end, by switching control
System processed switches between two kinds of working conditions, i.e.,：
Isolation：Digital control rear end control first switch closure, second switch disconnects, and coupling unit S3 does not work,
Without energy exchange between primary resonant cell S 2 and secondary resonance cell S 4.Connection exciting unit S1 is humorous with primary for first switch
Cell S of shaking 2, exciting unit S1 is supplied to the non-zero energy storage of primary resonant cell S 2, and the energy storage of secondary resonance cell S 4 is zero.
Couple state：Digital control rear end controls first switch and disconnects and second switch closure, exciting unit S1 and primary
Resonant element S2 is connected, second switch closure, starts coupling unit S3 work, primary resonant cell S 2 and secondary resonance cell S 4
Energy storage exchange back and forth, when the energy storage of primary resonant cell S 2 reaches maximum, the energy storage of secondary resonance cell S 4 reaches minimum, works as primary
When resonant element S2 energy storage is minimum, the energy storage of secondary resonance cell S 4 reaches maximum, and pulse signal transmitting is formed in the process.
After pulse signal transmitting, remaining energy transfer to primary resonant cell S 2, second switch shut-off coupling unit S3,
Isolation is switched to, then pulse signal battery has fired.
Pulse signal originates in the moment t that system is switched to couple state by isolation in the present invention0.After switching（t0When
After quarter）, the energy of the storage of primary resonant cell S 2 is coupled to secondary resonance cell S 4 by S3, in which part energy Jing S4
Antenna element to external radiation, form the pulse signal transmitting of approximate Gaussian envelope.Pulse signal ends are in secondary resonance unit
S4 energy storage minimal instant t1, at this moment, system returns to isolation, and secondary resonance cell S 4 stops resonance, and antenna element stops
Only launch pulse.Due to portion of energy Jing antenna element radiation loss, primary resonant cell S 2 is in t1The energy storage at moment is less than t0When
Carve.The energy of loss provides supplement, t by exciting unit S11A period of time after moment is energy storage convalescence, and period primary is humorous
The energy storage of cell S of shaking 2 recovers to t0The initial energy storage at moment, is that the generation and transmitting of next pulse signal is prepared.The present invention
The repetition rate of the FREQUENCY CONTROL pulse signal switched by controlling switch.By regulating and controlling exciting unit S1 and primary resonant unit
The resonant frequency of S2, can adjust the centre frequency of pulse signal.Can control by the stiffness of coupling of regulation and control coupling unit humorous sharp
The speed of energy exchange between cell S 1 and primary resonant cell S 2 is encouraged, so as to realize the control of pulse-width.
Fig. 2 (a) show the embodiment of the present invention 1.Exciting unit S1 is direct voltage source VDC, primary resonant cell S 2 by
One simple LC resonance circuit is constituted, and secondary resonance cell S 4 is made up of electronically small antenna with match circuit, and match circuit can be with
Using matching capacitance or matching inductance.Coupling unit S2 is realized by the mutual inductor of weak coupling.Switch closure, i.e. Fig. 2 (a) institutes
Show, when port 1 closes, direct voltage source is electric capacity CSCharge.t0Moment, switch gets to the port of primary resonant unit 2, primary humorous
The circuit that shakes produces resonance, aerial radiation impulse waveform, after an end-of-pulsing（t1Moment）, energy Basic Couplings return to electric capacity CS,
First switch closes again 1 port, and DC source is electric capacity CSCharge, supplement radiation loss energy, while with other portions of system
Separate from.
Fig. 2 (b) show typical waveform schematic diagram when embodiment 1 works, and wherein solid line represents electric capacity CSOn voltage
Waveform.In t0Before moment, electric capacity CSOn voltage stabilization and equal with direct voltage source output voltage.t0Moment, switch is being counted
Change state under the control of word control rear end, from 1 port 2 ports, electric capacity C are got toSWith inductance LSResonance simultaneously passes through mutual inductance with secondary
Resonant element positive energy exchange, portion of energy forms aerial radiation pulse.Until t1Moment, switch changes again state, from 2 ports
1 port is got to, dump energy returns to electric capacity CS, DC source is to electric capacity CSCharge and recover its energy stores, through a period of time, storage
The original state to before impulse ejection can be recovered.The pulse signal waveform of dotted line representative antennas radiation in figure.
Embodiment illustrated in fig. 32 is essentially identical with example 1, and difference is that the realization of coupling unit S2 uses a LC simultaneously
Connection branch road, can be by adjusting inductance LCWith electric capacity CCValue regulation and control coupling size, and then regulate and control pulse width.It is real shown in Fig. 4 (a)
In applying example 3, exciting unit S1 is realized using single frequency sinusoidal signal, frequency and the primary resonant cell S 2, secondary resonance of the excitation
Cell S 4 is identical.Under the control of digital control rear end, when being connected to 1 port, system enters couple state, exciting unit to switch
Disconnect with circuit remainder, the energy storage of primary resonant cell S 2 is coupled to secondary resonance cell S 4, while aerial radiation pulse
Signal.When switch is connected to 2 port, coupling unit S3 is shorted, and system enters isolation, primary resonant cell S 2 and secondary
Resonant element S4 is isolated, now the pulse of antenna non-radiating.The energy that primary resonant cell S 2 is lost because of impulse radiation is in energy storage
Supplement is obtained during recovery from exciting unit.
Fig. 4 (b) show typical waveform schematic diagram when embodiment 3 works.Wherein solid line represents primary resonant cell S 2
Middle electric capacity CSOn voltage waveform, dotted line representative antennas radiation pulse signal waveform.
It is to be appreciated that the specific embodiment of foregoing description is not intended to limit the present invention only to explain the present invention.Example
Such as, primary resonant cell S 2, secondary resonance cell S 4 can also realize that coupling is single using metal, medium or transmission line resonator
First S3 can be using coupled modes such as aperture, microstrip lines.
Claims (4)
1. a kind of impulse radio signal is produced and emission system, it is characterised in that：Including digital control rear end, first switch,
Second switch, exciting unit, primary resonant unit, coupling unit, secondary resonance unit and antenna element, secondary resonance unit and
Antenna element is connected, exciting unit, first switch, primary resonant unit, second switch, coupling unit and secondary resonance unit
It is electrical connected successively, digital control rear end is connected respectively with first switch and second switch, and controls its break-make；Wherein：
Under the control of digital control rear end, by first, second on-off control system isolation and couple state this two
Plant and switch over work under working condition：
Isolation：Digital control rear end control first switch closure and second switch disconnection, exciting unit and primary resonant list
Unit's connection, exciting unit is supplied to primary resonant unit non-zero energy storage, and secondary resonance unit energy storage is zero, primary resonant unit with
Without energy exchange between secondary resonance unit；
Couple state：Digital control rear end control first switch disconnects and second switch closure, exciting unit and primary resonant list
Unit disconnects, and coupling unit work, the energy storage of primary resonant unit and secondary resonance unit is exchanged back and forth, primary resonant unit
When energy storage reaches maximum, secondary resonance unit energy storage reaches minimum, when primary resonant element energy storage is minimum, secondary resonance unit
Energy storage reaches maximum, and pulse signal transmitting is formed in the process；
After pulse signal transmitting, remaining energy transfer to primary resonant unit, now, digital control rear end controls second switch
Disconnect, turn off coupling unit, be switched to isolation, complete the emission process of pulse signal.
2. a kind of impulse radio signal according to claim 1 is produced and emission system, it is characterised in that：Described swashs
Unit is encouraged using direct voltage source or single-frequency sinusoidal motivation.
3. a kind of impulse radio signal according to claim 1 is produced and emission system, it is characterised in that：Described coupling
Close unit and adopt LC parallel branches, aperture or microstrip lines mode.
4. a kind of impulse radio signal according to claim 1 is produced and emission system, it is characterised in that：Described is first
Level resonant element and secondary resonance unit are using mutual inductor or transmission line resonator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310447644.0A CN103532524B (en) | 2013-09-27 | 2013-09-27 | Pulse radio signal generating and transmitting system and control method of system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310447644.0A CN103532524B (en) | 2013-09-27 | 2013-09-27 | Pulse radio signal generating and transmitting system and control method of system |
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| Publication Number | Publication Date |
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| CN103532524A CN103532524A (en) | 2014-01-22 |
| CN103532524B true CN103532524B (en) | 2017-04-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB201706794D0 (en) | 2017-04-28 | 2017-06-14 | Sureflap Ltd | Pet monitoring devices |
| CN110956796B (en) * | 2019-12-30 | 2021-05-11 | 广东工业大学 | Wireless switch device, equipment system and power supply on-off operation control method |
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|---|---|---|---|---|
| WO2007068974A2 (en) * | 2005-12-16 | 2007-06-21 | Nicholas Patrick Roland Hill | Resonant circuits |
| US7369598B2 (en) * | 1997-05-16 | 2008-05-06 | Multispectral Solutions, Inc. | Ultra-wideband receiver and transmitter |
| CN101819184A (en) * | 2010-04-01 | 2010-09-01 | 江苏大学 | Pulse ultrasonic wave transmitting circuit |
| CN102694564A (en) * | 2011-03-23 | 2012-09-26 | 笙科电子股份有限公司 | Circuit and method for automatically correcting antenna resonance frequency |
-
2013
- 2013-09-27 CN CN201310447644.0A patent/CN103532524B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7369598B2 (en) * | 1997-05-16 | 2008-05-06 | Multispectral Solutions, Inc. | Ultra-wideband receiver and transmitter |
| WO2007068974A2 (en) * | 2005-12-16 | 2007-06-21 | Nicholas Patrick Roland Hill | Resonant circuits |
| CN101819184A (en) * | 2010-04-01 | 2010-09-01 | 江苏大学 | Pulse ultrasonic wave transmitting circuit |
| CN102694564A (en) * | 2011-03-23 | 2012-09-26 | 笙科电子股份有限公司 | Circuit and method for automatically correcting antenna resonance frequency |
Non-Patent Citations (1)
| Title |
|---|
| "Pulse Generation and Radiation from Small Antennas based on Coupled Resonances";Li Fang et al.;《Antennas and Propagation Society International Symposium (APSURSI)，2013 IEEE》;20130713;第590页左栏第一段至第591页右栏最后一段 * |
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