CN107257248B - Broadband short range digital radio station and its operation method - Google Patents
Broadband short range digital radio station and its operation method Download PDFInfo
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- CN107257248B CN107257248B CN201710590114.XA CN201710590114A CN107257248B CN 107257248 B CN107257248 B CN 107257248B CN 201710590114 A CN201710590114 A CN 201710590114A CN 107257248 B CN107257248 B CN 107257248B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B1/00—Details 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
- H04B1/38—Transceivers, 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
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Abstract
The present invention relates to broadband short range digital radio station and its operation methods, broadband short range digital radio station includes audio processing modules, FBGA processor, radio receiving transmitting module, interface module and operation panel, the audio processing modules, operation panel, interface module and radio receiving transmitting module are connect with the FBGA processor respectively, the interface module and external broadband connection, the radio receiving transmitting module and external R-T unit are wirelessly connected.Compared with the prior art, audio processing modules, FBGA processor, radio receiving transmitting module, interface module and operation panel coordinate operation of the present invention, it is able to achieve to can single-sideband communication mode, it simultaneously can wide-band processing mode, the unidirectional fixed transmission of number, FBGA processor can be carried out adjustment filter range, boostfiltering precision and filtration efficiency simultaneously.
Description
Technical field
The present invention relates to radio station technique fields, and in particular to broadband short range digital radio station and its operation method.
Background technique
Short-wave radio set refers to that operation wavelength is the radio communication equipment of 100~10 meters (frequency is 3~30 megahertzs).Mainly
For transmitting speech, continuous wave and shift frequency report.When transmitting telephone signal, using amplitude modulation and single sideband modulation.By transmitting
The composition such as machine, receiver, antenna, power supply and terminal device.It is generally divided into portable, vehicular and fixed base station；With body
The features such as product is small, light-weight, generallys use whip antenna, carries out short-range communication using earthwave, power is usually several watts of extremely numbers
Still there are some defects in hectowatt, short-wave radio set in the prior art, such as application number 201520986622.6, Authorization Notice No. is
A kind of digital signal processing device and short-wave radio set of 205232218 U of CN, includes at least: Channel Elements, audio unit, master
Control unit and power supply unit, the digital signal processing device and the Channel Elements, the audio unit, the main control unit
It is separately connected with the power supply unit；It stresses to be reduction volume, reduces cost；But for outputting and inputting mode still
It is old mode, outputs and inputs mode and be limited, filter effect is poor, can not carry out filtering appropriate, and treatment effeciency is low.
Summary of the invention
The object of the present invention is to provide a kind of broadband short range digital radio station and its operation method, problem to be solved is:
The mode of outputting and inputting is still old mode, outputs and inputs mode and is limited, filter effect is poor, can not carry out filter appropriate
Wave, treatment effeciency are low.
To achieve the above object, concrete scheme of the invention is: broadband short range digital radio station, including audio processing modules,
FBGA processor, radio receiving transmitting module, interface module and operation panel, the audio processing modules, operation panel, interface module
It is connect respectively with the FBGA processor with radio receiving transmitting module, the interface module and external broadband connection, the wireless receipts
It sends out module and external R-T unit is wirelessly connected；
First analog audio signal is carried out modulus for inputting the first analog audio signal by the audio processing modules
Conversion generates the first digital audio and video signals and is transmitted to FBGA processor；It is also used to carry out digital-to-analogue to the second digital audio and video signals to turn
It changes, exports the second analog audio signal；
The FBGA processor filters modulation treatment for carrying out signal to the first digital audio and video signals, generates modulation letter
Number it is transmitted to radio receiving transmitting module or interface module；It is also used to be filtered demodulation to broadband signal or digital modulation signals, it is raw
Audio processing modules are transmitted at the second digital audio and video signals；It is also used to adjust filter range according to adjustment signal；
The interface module, for modulated signal to be passed through broadband transmission to external reception device；It is also used to pass through broadband
Incoming uwb signal, by Wideband signal transmission to FBGA processor；
The radio receiving transmitting module is transmitted to external transmitting-receiving for carrying out digital-to-analogue conversion and power amplification to modulated signal
Device；Also with the wireless signal outside reception, low noise amplification and analog-to-digital conversion are carried out to wireless signal, generate digital modulation signals
It is transmitted to FBGA processor；
The operation panel is transmitted to FBGA processor for generating adjustment signal.
The beneficial effects of the present invention are: audio processing modules, FBGA processor, radio receiving transmitting module, interface module and behaviour
Make panel coordinate operation, be able to achieve to can single-sideband communication mode, while can wide-band processing mode, the unidirectional fixed transmission of number, simultaneously
FBGA processor can be carried out adjustment filter range, boostfiltering precision and filtration efficiency.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the audio processing modules include the first analog-digital converter ADC and the first digital analog converter DAC, described
First digital analog converter DAC and the first analog-digital converter ADC are connect with the FBGA processor；
The first analog-digital converter ADC is used to carry out analog-to-digital conversion to the first analog audio signal, generates the first number
Audio signal transmission is to FBGA processor；The first digital analog converter DAC is used to carry out digital-to-analogue to the second digital audio and video signals
Conversion exports the second analog audio signal.
Further scheme the utility model has the advantages that the first analog-digital converter ADC carries out mould to the first analog audio signal of output
Number conversion, is convenient for subsequent disengaging signal processing, high conversion efficiency；First digital analog converter DAC to the second digital audio and video signals into
Row digital-to-analogue conversion, convenient for being converted into voice signal, high conversion efficiency.
Further, the FBGA processor includes switching channel unit and modem module, the switching channel unit
Input terminal connect with operation panel, output end is connect with modem module；
The modem module is used to carry out signal modulation process to the first digital audio and video signals, generates modulated signal and passes
Transport to radio receiving transmitting module or interface module；It is also used to demodulate broadband signal or digital modulation signals, generates the second number
Word audio signal is transmitted to audio processing modules；
The operation panel is also transmitted to switching channel unit with generation switching signal, and the switching channel unit is used for root
Modem module is generated into modulated signal switching according to switching signal and is transmitted to radio receiving transmitting module or interface module.
Further scheme the utility model has the advantages that being exported to modem module by operation panel control switching channel unit
Modulated signal carries out way of output switching, is suitable for wireless output or Broadband emission, and wide adaptation range promotes convenience.
Further, the FBGA processor further includes filter unit, recording unit and auto-control unit, and the filtering is single
Member connected with modem module, the recording unit is connect with filter unit, the auto-control unit respectively with the note
Record unit is connected with filter unit；
The filter unit is used to carry out signal filtering processing to the first digital audio and video signals, and is transmitted to modulation /demodulation list
Member；It is also used to be filtered the second digital audio and video signals, and is transmitted to audio processing modules；The filter unit is according to automatic
Adjustment signal or adjustment signal adjust filter range；
The recording unit is used to record the adjustment signal of operation panel and filter unit is corresponded to according to the adjustment signal
The rejection frequency of progress generates record data；
The auto-control unit is for transferring record data, when adjustment signal believes the first digital audio and video signals, broadband
Number or filter out range or the filter times of digital modulation signals be more than setting value, then generating auto-control signal, to be transmitted to filtering single
Member.
Further scheme the utility model has the advantages that auto-control unit can be right according to the higher filter range of a certain frequency of use
First digital audio and video signals, broadband signal or digital modulation signals carry out auto-control filter range, and boostfiltering efficiency reduces
Manipulation strength.
Further, the FBGA processor further includes storage unit and retransmission unit, the storage unit respectively with modulation
Demodulating unit is connected with retransmission unit；The retransmission unit is connect with operation panel and modem module respectively；
The storage unit is used to store the modulated signal of modem module generation；
The operation panel is also retransmitted signal with generation and is transmitted to retransmission unit, and the retransmission unit is adjusted according to retransmitting signal
The modulated signal for taking memory cell to store up is retransmitted by modem module.
Further scheme the utility model has the advantages that retransmission unit can issue signal it is external without responding in the case where, pass through behaviour
Make panel control retransmission unit and transfer the modulated signal exported recently, and the modulated signal is retransmitted, can be reminded pair with this
Fang Jinhang is responded, moreover it is possible to output signal be avoided to lose.
Further, the radio receiving transmitting module includes the second digital analog converter DAC, power amplifier PA, low noise amplification
The input terminal of device LNA, adaptive tuner and antenna, the second digital analog converter DAC is connect with FBGA processor, output
End is connected through power amplifier PA, adaptive tuner and antenna；The input terminal of the FBGA processor is through low-noise amplifier
LNA, adaptive tuner and antenna connect.
Further scheme the utility model has the advantages that the second digital analog converter DAC, power amplifier PA, adaptive tuner and day
Line coordination running, is able to achieve and carries out digital-to-analogue conversion and power amplification to modulated signal, realizes distant signal output；Second modulus
Converter ADC, low-noise amplifier LNA, adaptive tuner and antenna coordinate operation, be able to achieve to received modulated signal into
Row analog-to-digital conversion and low noise amplification, reduce noise, promote data-handling efficiency.
Further, broadband short range digital radio station further includes control switch, and the control switch and the FBGA are handled
Device connects working condition for controlling devices.
Further scheme the utility model has the advantages that control switch is connect for controlling the progress of FBGA processor just with FBGA processor
Often operation.
To achieve the above object, another concrete scheme of the invention is: the operation method in broadband short range digital radio station, including
Following steps:
Step S1. audio processing modules input the first analog audio signal, and the first analog audio signal is carried out modulus and is turned
It changes, generates the first digital audio and video signals and be transmitted to FBGA processor；
Step S2. operation panel generates adjustment signal and is transmitted to FBGA processor, and FBGA processor is according to adjustment signal tune
Whole filter range；FBGA processor carries out signal to the first digital audio and video signals and filters modulation treatment, generates modulated signal transmission
To radio receiving transmitting module or interface module；
Modulated signal is passed through broadband transmission to external reception device by step S3. interface module；Radio receiving transmitting module is exchanged
Signal processed carries out digital-to-analogue conversion and power amplification, is transmitted to external R-T unit；
Step S4. interface module is by broadband access broadband signal, by Wideband signal transmission to FBGA processor；It is wireless to receive
The wireless signal outside module reception is sent out, low noise amplification and analog-to-digital conversion are carried out to wireless signal, digital modulation signals is generated and passes
Transport to FBGA processor；
Step S5. FBGA processor is filtered demodulation to broadband signal or digital modulation signals, generates the second digital sound
Frequency signal is transmitted to audio processing modules；
Step S6. audio processing modules carry out digital-to-analogue conversion, output the second analogue audio frequency letter to the second digital audio and video signals
Number.
The beneficial effects of the present invention are: audio processing modules, FBGA processor, radio receiving transmitting module, interface module and behaviour
Make panel coordinate operation, be able to achieve to can single-sideband communication mode, while can wide-band processing mode, unilateral data transfer, simultaneously
FBGA processor can be carried out adjustment filter range, and when boostfiltering precision and filtration efficiency and modulation /demodulation can arbitrarily convert
Communication mode.
Further, in the step S2 the following steps are included:
Step S21. filter unit carries out signal filtering processing to the first digital audio and video signals, and modem module is to the
One digital audio and video signals carry out signal modulation process generation modulated signal and are transmitted to radio receiving transmitting module or interface module；
The adjustment signal and filter unit of step S22. recording unit records operation panel are corresponding according to the adjustment signal
The rejection frequency of progress generates record data；
Step S23. auto-control unit transfers record data, when adjustment signal believes the first digital audio and video signals, broadband
Number or filter out range or the filter times of digital modulation signals be more than setting value, then generating auto-control signal, to be transmitted to filtering single
Member
Step S24. filter unit adjusts filter range according to auto-control signal.
Further scheme the utility model has the advantages that auto-control unit can be right according to the higher filter range of a certain frequency of use
First digital audio and video signals, broadband signal or digital modulation signals carry out auto-control filter range, and boostfiltering efficiency reduces
Manipulation strength.
Detailed description of the invention
Fig. 1 is the module frame chart in broadband short range digital of the present invention radio station；
Fig. 2 is the module frame chart of FBGA processor of the present invention；
Fig. 3 is the flow chart of the operation method in broadband short range digital of the present invention radio station.
In attached drawing, parts list represented by the reference numerals are as follows:
1, audio processing modules, the 101, first analog-digital converter ADC, the 102, first digital analog converter DAC；
2, FBGA processor, 201, switching channel unit, 202, modem module, 203, filter unit, 204, record
Unit, 205, auto-control unit, 206, storage unit, 207, retransmission unit；
3, radio receiving transmitting module, the 301, second digital analog converter DAC, 302, power amplifier PA, 304, low noise amplification
Device LNA, 305, adaptive tuner, 306, antenna；
4, interface module, 5, operation panel, 6, control switch.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1:
Referring to figs. 1 and 2, broadband short range digital radio station, including it is audio processing modules 1, FBGA processor 2, wireless
Transceiver module 3, interface module 4 and operation panel 5, the audio processing modules 1, operation panel 5, interface module 4 and wireless receipts
Hair module 3 is connect with the FBGA processor 2 respectively, the interface module 4 and external broadband connection, the radio receiving transmitting module
3 are wirelessly connected with external R-T unit；
First analog audio signal is carried out modulus for inputting the first analog audio signal by the audio processing modules 1
Conversion generates the first digital audio and video signals and is transmitted to FBGA processor 2；It is also used to carry out digital-to-analogue to the second digital audio and video signals to turn
It changes, exports the second analog audio signal；
The FBGA processor 2 filters modulation treatment for carrying out signal to the first digital audio and video signals, generates modulation letter
Number it is transmitted to radio receiving transmitting module 3 or interface module 4；It is also used to be filtered demodulation to broadband signal or digital modulation signals,
It generates the second digital audio and video signals and is transmitted to audio processing modules 1；It is also used to adjust filter range according to adjustment signal；
The interface module 4, for modulated signal to be passed through broadband transmission to external reception device；It is also used to pass through broadband
Incoming uwb signal, by Wideband signal transmission to FBGA processor 2；
The radio receiving transmitting module 3 is transmitted to external transmitting-receiving for carrying out digital-to-analogue conversion and power amplification to modulated signal
Device；Also with the wireless signal outside reception, low noise amplification and analog-to-digital conversion are carried out to wireless signal, generate digital modulation signals
It is transmitted to FBGA processor 2；
The operation panel 5 is transmitted to FBGA processor 2 for generating adjustment signal；
The control switch 6 is connect with the FBGA processor 2, for controlling FBGA processor 2.
The bandwidth of the present apparatus are as follows: 1Hz-3MHz；Handle the frequency range of signal: 0.5MHz-30MHz；Digital Signal Processing
Rate: 15Bit--15MBit；
Audio processing modules 1, FBGA processor 2,5 coordinate operation of radio receiving transmitting module 3, interface module 4 and operation panel,
Be able to achieve to can single-sideband communication mode, while can wide-band processing mode, the unidirectional fixed transmission of number, while FBGA processor 2 can be into
Row adjustment filter range, boostfiltering precision and filtration efficiency；Control switch 6 carries out method of operation control to FBGA processor 2,
Realize the normal operation of FBGA processor 2.
In above-described embodiment, the audio processing modules 1 include the first analog-digital converter ADC101 and the first digital-to-analogue conversion
Device DAC102, the first digital analog converter DAC102 and the first analog-digital converter ADC101 connect with the FBGA processor 2
It connects；
The first analog-digital converter ADC101 is used to carry out analog-to-digital conversion to the first analog audio signal, generates the first number
Word audio signal is transmitted to FBGA processor 2；The first digital analog converter DAC102 be used for the second digital audio and video signals into
Row digital-to-analogue conversion exports the second analog audio signal.
First analog-digital converter ADC101 carries out analog-to-digital conversion to the first analog audio signal of output, is convenient for subsequent disengaging
Signal processing, high conversion efficiency；First digital analog converter DAC102 carries out digital-to-analogue conversion to the second digital audio and video signals, convenient for turning
Change voice signal, high conversion efficiency into.
In above-described embodiment, the FBGA processor 2 includes switching channel unit 201 and modem module 202, described
The input terminal of switching channel unit 201 is connect with operation panel 5, and output end is connect with modem module 202；
The modem module 202 is used to carry out signal modulation process to the first digital audio and video signals, generates modulation letter
Number it is transmitted to radio receiving transmitting module 3 or interface module 4；It is also used to demodulate broadband signal or digital modulation signals, generate
Second digital audio and video signals are transmitted to audio processing modules 1；
The operation panel 5 is also transmitted to switching channel unit 201, the switching channel unit with generation switching signal
201 are transmitted to radio receiving transmitting module 3 or interface for modem module 202 to be generated modulated signal switching according to switching signal
Module 4.
It is defeated that the modulated signal progress that switching channel unit 201 exports modem module 202 is controlled by operation panel 5
Mode switches out, is suitable for wireless output or Broadband emission, and wide adaptation range promotes convenience.
In above-described embodiment, the FBGA processor 2 further includes filter unit 203, recording unit 204 and auto-control list
Member 205, the filter unit 203 and modem module 202 connect, and the recording unit 204 is connect with filter unit 203,
The auto-control unit 205 is connect with the recording unit 204 and filter unit 203 respectively；
The filter unit 203 is used to carry out signal filtering processing to the first digital audio and video signals, and is transmitted to modulatedemodulate
Adjust unit 202；It is also used to be filtered the second digital audio and video signals, and is transmitted to audio processing modules 1；The filter unit
203 adjust filter range according to auto-control signal or adjustment signal；
The adjustment signal and filter unit 203 that the recording unit 204 is used to record operation panel 5 are according to the regulation
The corresponding rejection frequency carried out of signal, generates record data；
The auto-control unit 205 is for transferring record data, when adjustment signal is to the first digital audio and video signals, broadband
One filter times for filtering out range of signal or digital modulation signals are more than setting value, then generate auto-control signal and be transmitted to filter
Wave unit 203.
Auto-control unit 205 can be according to the higher filter range of a certain frequency of use, to the first digital audio and video signals, width
Band signal or digital modulation signals carry out auto-control filter range, and boostfiltering efficiency reduces manipulation strength, when to induction signal
The filter range of auto-control when needing to adjust, it is only necessary to the signal is regulated and controled by operation panel 5 manually and is filtered
Range adjustment.
In above-described embodiment, the FBGA processor 2 further includes storage unit 206 and retransmission unit 207, and the storage is single
Member 206 is connect with modem module 202 and retransmission unit 207 respectively；The retransmission unit 207 respectively with operation panel 5 and
Modem module 202 connects；
The storage unit 206 is used to store the modulated signal of the generation of modem module 202；
The operation panel 5 is also retransmitted signal with generation and is transmitted to retransmission unit 207, and the retransmission unit 207 is according to weight
The modulated signal for signaling to transfer storage in storage unit 206 is retransmitted by modem module 202.
Retransmission unit 207 can be retransmitted single in the case where issuing the external no response of signal by the control of operation panel 5
Member 207 transfers the modulated signal exported recently, and the modulated signal is retransmitted, and other side can be reminded to respond with this, also
It is avoided that output signal is lost.
In above-described embodiment, the radio receiving transmitting module 3 includes the second digital analog converter DAC301, power amplifier
PA302, low-noise amplifier LNA304, adaptive tuner 305 and antenna 306, the second digital analog converter DAC301's
Input terminal is connect with FBGA processor 2, and output end connects through power amplifier PA302, adaptive tuner 305 and antenna 306
It connects；The input terminal of the FBGA processor 2 is connect through low-noise amplifier LNA304, adaptive tuner 305 with antenna 306.
Second digital analog converter DAC301, power amplifier PA302, adaptive tuner 305 and antenna 306 coordinate fortune
Make, be able to achieve and digital-to-analogue conversion and power amplification are carried out to modulated signal, realizes distant signal output；Second analog-digital converter
ADC303,306 coordinate operation of low-noise amplifier LNA304, adaptive tuner 305 and antenna, are able to achieve to received modulation
Signal carries out analog-to-digital conversion and low noise amplification, reduces noise, promotes data-handling efficiency.
Embodiment 2:
As shown in figure 3, the operation method in broadband short range digital radio station, comprising the following steps:
Step S1. audio processing modules 1 input the first analog audio signal, and the first analog audio signal is carried out modulus and is turned
It changes, generates the first digital audio and video signals and be transmitted to FBGA processor 2；
Step S2. operation panel 5 generates adjustment signal and is transmitted to FBGA processor 2, and FBGA processor 2 is believed according to regulation
Number adjustment filter range；FBGA processor 2 carries out signal to the first digital audio and video signals and filters modulation treatment, generates modulated signal
It is transmitted to radio receiving transmitting module 3 or interface module 4；
Modulated signal is passed through broadband transmission to external reception device by step S3. interface module 4；Radio receiving transmitting module 3 is right
Modulated signal carries out digital-to-analogue conversion and power amplification, is transmitted to external R-T unit；
Step S4. interface module 4 is by broadband access broadband signal, by Wideband signal transmission to FBGA processor 2；Wirelessly
Transceiver module 3 receives external wireless signal, carries out low noise amplification and analog-to-digital conversion to wireless signal, generates digital modulation signals
It is transmitted to FBGA processor 2；
Step S5. FBGA processor 2 is filtered demodulation to broadband signal or digital modulation signals, generates the second number
Audio signal transmission is to audio processing modules 1；
Step S6. audio processing modules 1 carry out digital-to-analogue conversion to the second digital audio and video signals, export the second analogue audio frequency
Signal.
Audio processing modules 1, FBGA processor 2,5 coordinate operation of radio receiving transmitting module 3, interface module 4 and operation panel,
Be able to achieve to can single-sideband communication mode, while can wide-band processing mode, the unidirectional fixed transmission of number, while FBGA processor 2 can be into
Row adjustment filter range, boostfiltering precision and filtration efficiency.
In above-described embodiment, in the step S2 the following steps are included:
Step S21. filter unit 203 carries out signal filtering processing, modem module to the first digital audio and video signals
202 pair of first digital audio and video signals carries out signal modulation process generation modulated signal and is transmitted to radio receiving transmitting module 3 or interface mould
Block 4；
The adjustment signal and filter unit 203 that step S22. recording unit 204 records operation panel 5 are according to the regulation
The corresponding rejection frequency carried out of signal, generates record data；
Step S23. auto-control unit 205 transfers record data, when adjustment signal is to the first digital audio and video signals, broadband
The filter out range or filter times of signal or digital modulation signals are more than setting value, then generate auto-control signal and be transmitted to filtering
Unit 203
Step S24. filter unit 203 adjusts filter range according to auto-control signal.
Auto-control unit 205 can be according to the higher filter range of a certain frequency of use, to the first digital audio and video signals, width
Band signal or digital modulation signals carry out auto-control filter range, and boostfiltering efficiency reduces manipulation strength, when to induction signal
The filter range of auto-control when needing to adjust, it is only necessary to the signal is regulated and controled by operation panel 5 manually and is filtered
Range adjustment.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. broadband short range digital radio station, which is characterized in that including audio processing modules (1), FBGA processor (2), wireless receiving and dispatching
Module (3), interface module (4) and operation panel (5), the audio processing modules (1), operation panel (5), interface module (4)
It is connect respectively with the FBGA processor (2) with radio receiving transmitting module (3), the interface module (4) and external broadband connection, institute
It states radio receiving transmitting module (3) and external R-T unit is wirelessly connected；
First analog audio signal is carried out modulus and turned by the audio processing modules (1) for inputting the first analog audio signal
It changes, generates the first digital audio and video signals and be transmitted to FBGA processor (2)；It is also used to carry out digital-to-analogue to the second digital audio and video signals to turn
It changes, exports the second analog audio signal；
The FBGA processor (2) filters modulation treatment for carrying out signal to the first digital audio and video signals, generates modulated signal
It is transmitted to radio receiving transmitting module (3) or interface module (4)；It is also used to be filtered solution to broadband signal or digital modulation signals
It adjusts, generates the second digital audio and video signals and be transmitted to audio processing modules (1)；It is also used to adjust filter range according to adjustment signal；
The interface module (4), for modulated signal to be passed through broadband transmission to external reception device；It is also used to connect by broadband
Enter broadband signal, by Wideband signal transmission to FBGA processor (2)；
The radio receiving transmitting module (3) is transmitted to external transmitting-receiving dress for carrying out digital-to-analogue conversion and power amplification to modulated signal
It sets；Also with receiving external wireless signal and carry out that low noise is big, and generation digital modulation signals are transmitted to FBGA processor (2)；
The operation panel (5) is transmitted to FBGA processor (2) for generating adjustment signal；
The FBGA processor (2) includes switching channel unit (201) and modem module (202), the switching channel list
The input terminal of first (201) is connect with operation panel (5), and output end is connect with modem module (202)；
The modem module (202) is used to carry out signal modulation process to the first digital audio and video signals, generates modulated signal
It is transmitted to radio receiving transmitting module (3) or interface module (4)；It is also used to demodulate broadband signal or digital modulation signals, it is raw
Audio processing modules (1) is transmitted at the second digital audio and video signals；
The operation panel (5) is also used to generate switching signal and is transmitted to switching channel unit (201), the switching channel unit
(201) radio receiving transmitting module (3) are transmitted to for modem module (202) to be generated modulated signal switching according to switching signal
Or interface module (4)；
The FBGA processor (2) further includes filter unit (203), recording unit (204) and auto-control unit (205), institute
Filter unit (203) and modem module (202) connection are stated, the recording unit (204) connect with filter unit (203),
The auto-control unit (205) connect with the recording unit (204) and filter unit (203) respectively；
The filter unit (203) is used to carry out signal filtering processing to the first digital audio and video signals, and is transmitted to modulation /demodulation
Unit (202)；It is also used to be filtered the second digital audio and video signals, and is transmitted to audio processing modules (1)；The filtering is single
First (203) adjust filter range according to auto-control signal or adjustment signal；
The adjustment signal and filter unit (203) that the recording unit (204) is used to record operation panel (5) are according to the tune
The corresponding rejection frequency carried out of signal is controlled, record data are generated；
The auto-control unit (205) is for transferring record data, when adjustment signal believes the first digital audio and video signals, broadband
Number or filter out range or the filter times of digital modulation signals be more than setting value, then generating auto-control signal, to be transmitted to filtering single
First (203).
2. broadband short range digital according to claim 1 radio station, it is characterised in that: the audio processing modules (1) include
First analog-digital converter ADC (101) and the first digital analog converter DAC (102), the first digital analog converter DAC (102) and
One analog-digital converter ADC (101) is connect with the FBGA processor (2)；
The first analog-digital converter ADC (101) is used to carry out analog-to-digital conversion to the first analog audio signal, generates the first number
Audio signal transmission is to FBGA processor (2)；The first digital analog converter DAC (102) is used for the second digital audio and video signals
Digital-to-analogue conversion is carried out, the second analog audio signal is exported.
3. broadband short range digital according to claim 1 radio station, it is characterised in that: the FBGA processor (2) further includes
Storage unit (206) and retransmission unit (207), the storage unit (206) are single with modem module (202) and repeating transmission respectively
First (207) connection；The retransmission unit (207) connect with operation panel (5) and modem module (202) respectively；
The storage unit (206) is used to store the modulated signal of modem module (202) generation；
The operation panel (5) is also used to generate to retransmit signal and be transmitted to retransmission unit (207), retransmission unit (207) root
According to retransmitting signal, the modulated signal transferred and stored in storage unit (206) is retransmitted by modem module (202).
4. broadband short range digital according to claim 1 radio station, it is characterised in that: the radio receiving transmitting module (3) includes
Second digital analog converter DAC (301), power amplifier PA (302), low-noise amplifier LNA (304), adaptive tuner
(305) it connect, exports with FBGA processor (2) with antenna (306), the input terminal of the second digital analog converter DAC (301)
End is connect through power amplifier PA (302), adaptive tuner (305) with antenna (306)；The FBGA processor (2) it is defeated
Enter end to connect through low-noise amplifier LNA (304), adaptive tuner (305) with antenna (306).
5. according to claim 1 to broadband short range digital radio station described in any one of 4 claims, it is characterised in that: further include
Control switch (6), the control switch (6) connect working condition for controlling devices with the FBGA processor (2).
6. the operation method in broadband short range digital as described in claim 1 radio station, which comprises the following steps:
Step S1. audio processing modules (1) input the first analog audio signal, and the first analog audio signal is carried out modulus and is turned
It changes, generates the first digital audio and video signals and be transmitted to FBGA processor (2)；
Step S2. operation panel (5) generates adjustment signal and is transmitted to FBGA processor (2), and FBGA processor (2) is believed according to regulation
Number adjustment filter range；FBGA processor (2) carries out signal to the first digital audio and video signals and filters modulation treatment, generates modulation letter
Number it is transmitted to radio receiving transmitting module (3) or interface module (4)；
Modulated signal is passed through broadband transmission to external reception device by step S3. interface module (4)；Radio receiving transmitting module (3) is right
Modulated signal carries out digital-to-analogue conversion and power amplification, is transmitted to external R-T unit；
Step S4. interface module (4) is by broadband access broadband signal, by Wideband signal transmission to FBGA processor (2)；Wirelessly
Wireless signal outside transceiver module (3) reception carries out low noise amplification and analog-to-digital conversion to wireless signal, generates digital modulation letter
Number it is transmitted to FBGA processor (2)；
Step S5.FBGA processor (2) is filtered demodulation to broadband signal or digital modulation signals, generates the second digital audio
Signal is transmitted to audio processing modules (1)；
Step S6. audio processing modules (1) carry out digital-to-analogue conversion, output the second analogue audio frequency letter to the second digital audio and video signals
Number.
7. the operation method in broadband short range digital according to claim 6 radio station, which is characterized in that wrapped in the step S2
Include following steps:
Step S21. filter unit (203) carries out signal filtering processing, modem module (202) to the first digital audio and video signals
Signal modulation process generation modulated signal is carried out to the first digital audio and video signals and is transmitted to radio receiving transmitting module (3) or interface module
(4)；
The adjustment signal and filter unit (203) that step S22. recording unit (204) records operation panel (5) are according to the tune
The corresponding rejection frequency carried out of signal is controlled, record data are generated；
Step S23. auto-control unit (205) transfers record data, when adjustment signal believes the first digital audio and video signals, broadband
Number or filter out range or the filter times of digital modulation signals be more than setting value, then generating auto-control signal, to be transmitted to filtering single
First (203)
Step S24. filter unit (203) adjusts filter range according to auto-control signal.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085365A (en) * | 1992-08-29 | 1994-04-13 | 莫托罗拉公司 | A kind of communication system |
| CN201523363U (en) * | 2009-09-28 | 2010-07-07 | 西门子威迪欧汽车电子(惠州)有限公司 | Automatic timing device for intermediate frequency filter of radio tuner |
| CN102238280A (en) * | 2010-05-03 | 2011-11-09 | Lg电子株式会社 | Electronic device, method of transmitting information with an electronic device and method of controlling an electronic device |
| CN205232171U (en) * | 2015-12-01 | 2016-05-11 | 陕西烽火实业有限公司 | Electronic tuning wave filter and terminal equipment |
-
2017
- 2017-07-19 CN CN201710590114.XA patent/CN107257248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085365A (en) * | 1992-08-29 | 1994-04-13 | 莫托罗拉公司 | A kind of communication system |
| CN201523363U (en) * | 2009-09-28 | 2010-07-07 | 西门子威迪欧汽车电子(惠州)有限公司 | Automatic timing device for intermediate frequency filter of radio tuner |
| CN102238280A (en) * | 2010-05-03 | 2011-11-09 | Lg电子株式会社 | Electronic device, method of transmitting information with an electronic device and method of controlling an electronic device |
| CN205232171U (en) * | 2015-12-01 | 2016-05-11 | 陕西烽火实业有限公司 | Electronic tuning wave filter and terminal equipment |
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