CN201590818U - Microwave scattering integrated communication device - Google Patents

Microwave scattering integrated communication device Download PDF

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Publication number
CN201590818U
CN201590818U CN2010201216509U CN201020121650U CN201590818U CN 201590818 U CN201590818 U CN 201590818U CN 2010201216509 U CN2010201216509 U CN 2010201216509U CN 201020121650 U CN201020121650 U CN 201020121650U CN 201590818 U CN201590818 U CN 201590818U
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converter
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甘启光
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CETC 54 Research Institute
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CETC 54 Research Institute
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Abstract

The utility model discloses a microwave scattering integrated communication device, which relates to microwave and medium-capacity scattering communication devices in the field of communication. The microwave scattering integration communication device comprises components including an auxiliary multiplexer, an auxiliary de-multiplexer, a modulator, a demodulator, an intermediate-frequency amplifier, a monitor, a power source and the like. The communication device has two types of rates including 2048kb/s and 8448kb/s, scattering communication is compatible with 64kb/s, 128kb/s, 256kb/s, 512kb/s, 2024kb/s and 2048kb/s, and the communication device adopts distortion adaptive technology with relatively strong multi-path combating capability and channel fading resisting ability, thereby realizing tropospheric scattering communication. The communication device has the advantages of constant envelope, narrow signal frequency spectrum, high integration degree, simple and convenient operation, stable and reliable performance and the like, and is particularly adaptable to be used as a medium-capacity scattering communication device in point-to-point microwave and tropospheric scattering communication systems utilizing frequency division multiple accesses.

Description

The integrated communicator of microwave scattering
Technical field
The utility model relates to the integrated communicator of a kind of microwave scattering in the communications field, is specially adapted to make modem apparatus in point-to-point, the middle capacity microwave of frequency division multiple access or the tropospheric scatter communication system.
Background technology
Microwave communication in the horizon communication as a kind of common means of communication, has that equipment is simple, a communication reliability, transmission capacity advantages of higher, has obtained using widely in civil and military.The tropospheric scatter channel is as a kind of time-variant multipath channel, the quantity of its propagation path and the time to time change in relative time delay between the path, the signal of high-speed transfer can be introduced serious intersymbol interference by scatter channel the time, thereby causes serious linear distortion.Microwave telecommunication devices are owing to be means of communication under the line of sight conditions, have determined that it can not across obstacle, and communication distance is closer.Tropospheric scatter communica-tion is as a kind of beyond-the-horizon communication, and it is big to have the single-hop span, can cross over natural obstacles with a varied topography such as desert, mountain region, bay; High directivity, good confidentiality; The characteristics of radio wave propagation itself make it have stronger anti-detect receipts, anti-interference, anti-ruining and anti-nuclear blast ability.In conjunction with the advantage of microwave and scatter communication, overcome deficiency separately, just need have the microwave communication technology simultaneously, the modem apparatus that also has the tropospheric scatter communica-tion technology unites two into one the two.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and provides a kind of employing microwave scattering incorporate technology, can effectively improve the incorporate modem apparatus of microwave scattering of different application environment downward modulation modem performance and reliability.The utility model also has different communication speed, different channels characteristic, stable performance, degree height in light weight, integrated, the characteristics such as easy and simple to handle of adapting to.
The purpose of this utility model is achieved in that and comprises auxiliary multiplexer, auxiliary coupler, intermediate frequency amplifier, power supply, watch-dog, also comprise modulator, demodulator, input port 1 pin of described auxiliary multiplexer connects external data port A, auxiliary coupler output port 1, pin connect external data port B, and input port 2 pin of input port 5 pin of input port 2 pin of auxiliary multiplexer, input port 2 pin of modulator, demodulator, input port 9 pin of intermediate frequency amplifier, auxiliary coupler are respectively with output port 1 pin of watch-dog and connect; Output port 3 pin of auxiliary multiplexer connect input port 1 pin of modulator, and signal output port 3,4 pin of modulator connect external signal port U, W respectively, and input port 5 pin are connected with external reference source port R; Input port 1,2,3,4 pin of intermediate frequency amplifier connect external signal interface E, F, G, H respectively, and input port 1,2,3,4 pin of demodulator are connected respectively to intermediate frequency amplifier output port 5,6,7,8 pin; Demodulator output port 6 pin are connected with auxiliary coupler input port 3 pin, and input port 7 pin are connected with external reference source port R; Power output end+V ,+the V2 voltage end is connected to the corresponding power port of each module;
Described auxiliary multiplexer is delivered to modulator with after the business information of outside port A input and the local supplementary multiple connection; Modulator will assist the data-modulated of multiplexer input to export external signal port U, W to behind intermediate frequency; Intermediate frequency amplifier receives the intermediate-freuqncy signal from external interface E, F, G, H, amplifies, mixing, Filtering Processing; The signal of demodulator processes intermediate frequency amplifier input demodulates modulated information; Auxiliary coupler will divide from demodulating information and pick out supplementary and business information; Watch-dog is monitored the operating state and the Control work pattern of each parts; Power supply provides power supply for each parts.
Modulator is made of microwave communication modulator and scatter communication modulator; Input port 1 pin of microwave communication modulator and scatter communication modulator is connected output port 3 pin of auxiliary multiplexer respectively, its input port 2 pin are respectively with output port 1 pin of watch-dog and connect, its signal output port 3,4 pin connect external signal port U, W respectively, and its input port 5 pin are connected with external reference source port R.
The microwave communication modulator comprises differential encoder, base band shaping filter, digital frequency converter, D/A converter, low pass filter, frequency mixer, amplifier, band pass filter, digital frequency synthesizer, local frequency synthesizer, timer manager, and output port 3 pin of wherein auxiliary multiplexer are connected in series differential encoder, base band formed filter, digital frequency converter, D/A converter, low pass filter, frequency mixer, amplifier, band pass filter successively and are connected with external signal port U, W after respectively going into out end 1,2 pin; Input port 1 pin of local frequency synthesizer, input port 1 pin of timer manager meet outside input external reference source port R, and output port 2 pin of timer manager also connect base band shaping filter, digital frequency synthesizer, digital frequency converter, each input port 3 pin of D/A converter; Output port 2 pin of digital frequency synthesizer connect input port 4 pin of digital frequency converter, and output port 2 pin of local frequency synthesizer connect input port 3 pin of frequency mixer; Input port 5 pin of differential encoder, base band shaping filter, each module of digital frequency converter all are connected with output port 1 pin of monitoring; Differential encoder, base band shaping filter, digital frequency converter, D/A converter, amplifier, digital frequency synthesizer, local frequency synthesizer, each input port 6 pin of timer manager and power output end+the V voltage end is connected, each input port 7 pin is connected with earth terminal;
Described differential encoder will assist the information of multiplexer input to carry out differential coding, and absolute code is transformed to relocatable code; Base band shaping filter produces the signal waveform that is suitable for Channel Transmission and demodulation; Digital frequency synthesizer will produce derived digital signal with look-up table; Digital frequency converter is finished the frequency spectrum shift of modulation signal, makes signal spectrum be shifted to low-frequency range; Digital signal conversion after the D/A converter will be modulated becomes analog signal; Low pass filter is with the interference signal of filtering modulated-analog signal medium-high frequency part; The output of local frequency synthesizer is used for the local frequency source of frequency spectrum shift; The effect of frequency mixer is moved Mid Frequency with modulated-analog signal; Amplifier carries out linear amplification with modulation signal; Signal filtering after band pass filter will amplify, the outer interference signal of filtering band; Timer manager will produce the required work clock of modulator.
The scatter communication modulator comprises differential encoder, base band shaping filter, digital delay, digital frequency synthesizer one, digital frequency synthesizer two, digital frequency converter one, digital frequency converter two, the numeral adder, the D/A converter, low pass filter, frequency mixer, amplifier, band pass filter, the local frequency synthesizer, timer manager, wherein output port 3 pin of auxiliary multiplexer are connected in series differential encoder successively, the base band formed filter, digital frequency converter one, the numeral adder, the A/D converter, low pass filter, frequency mixer, amplifier, band pass filter is respectively gone into out end 1, behind 2 pin with external signal port U, W connects; Output port 2 pin of base band shaping filter are connected with input port 1 pin of digital delay; Output port 2 pin of digital delay are connected with input port 1 pin of digital frequency converter two; Output port 2 pin of digital frequency synthesizer two are connected with input port 4 pin of digital frequency converter; Output port 2 pin of digital frequency converter two are connected with input port 4 pin of digital adder; Input port 1 pin of timer manager, input port 1 pin of local frequency synthesizer meet outside input external reference source port R, and output port 2 pin of timer manager also connect each input port 3 pin of base band shaping filter, digital delay, digital frequency synthesizer one, digital frequency synthesizer two, digital frequency converter one, digital frequency converter two, digital adder, D/A converter; Output port 2 pin of digital frequency synthesizer one connect input port 4 pin of digital frequency converter one, and output port 2 pin of local frequency synthesizer connect input port 3 pin of frequency mixer; Input port 5 pin of differential encoder, base band shaping filter, digital delay, digital frequency converter one, digital frequency converter two, digital each module of adder are connected with output port 1 pin of monitoring; Differential encoder, base band shaping filter, digital delay, digital frequency synthesizer one, digital frequency synthesizer two, digital frequency converter one, digital frequency converter two, digital adder, D/A converter, amplifier, local frequency synthesizer, each input port 6 pin of timer manager and power output end+the V voltage end is connected, each input port 7 pin is connected with earth terminal;
Described differential encoder will assist the information of multiplexer input to carry out differential coding, and absolute code is transformed to relocatable code; Base band shaping filter produces the signal waveform that is suitable for Channel Transmission and demodulation; Digital frequency synthesizer one, digital frequency synthesizer two will produce the derived digital signal of different frequency with look-up table; Digital frequency converter one, digital frequency converter two are finished the frequency spectrum shift of modulation signal, make signal spectrum be shifted to low-frequency range; Digital delay is finished the baseband signal t time-delay of lag time; Digital signal conversion after the D/A converter will be modulated becomes analog signal; Low pass filter is with the interference signal of filtering modulated-analog signal medium-high frequency part; The effect of frequency mixer is moved Mid Frequency with modulated-analog signal; Amplifier carries out linear amplification with modulation signal; Signal filtering after band pass filter will amplify, the outer interference signal of filtering band, timer manager will produce the required work clock of modulator; The output of local frequency synthesizer is used for the local frequency source of frequency spectrum shift.
Demodulator is the adaptive demodulator of distortion, comprise the A/D converter, digital frequency synthesizer, the digital quadrature low-converter, wave digital lowpass filter, coherent detector, the integration decision device, carrier synchronization is extracted circuit, bit synchronization is extracted circuit, differential decoderl, timer manager, the input port 1 of A/D converter wherein, 2,3,4 pin connect the output port 5 of intermediate frequency amplifier respectively, 6,7,8 pin, the output port 5 of A/D converter, 6,7,8 pin connect the input port 1 of digital quadrature down converter respectively, 2,3,4 pin, the output port 2 of digital frequency synthesizer, 3 pin connect the input port 9 of digital quadrature down converter respectively, 10 pin, the output port 5 of digital quadrature low-converter, 6,7,8 pin connect the input port 1 of wave digital lowpass filter respectively, 2,3,4 pin, the output port 5 of wave digital lowpass filter, 6,7,8 pin one tunnel connect the input port 1 of coherent detector respectively, 2,3,4 pin, another road connects the input port 1 that bit synchronization is extracted circuit respectively, 2,3,4 pin, output port 5 pin of coherent detector connect input port 1 pin of integration decision device, carrier synchronization is extracted the discrepancy port one of circuit, what 2 pin connected coherent detector respectively goes into outbound port 9,10 pin, bit synchronization is extracted input port 2 pin of the output port 5 pin connection integration decision device of circuit, output port 3 pin of integration decision device connect input port 1 pin of differential decoderl, output port 6 pin of differential decoding connect input port 3 pin of auxiliary coupler, input port 1 pin of timer manager connects external reference source port R, and output port 2 pin also connect the A/D converter, digital frequency synthesizer, the digital quadrature low-converter, wave digital lowpass filter, coherent detector, the integration decision device, carrier synchronization is extracted circuit, bit synchronization is extracted each input port 11 pin of circuit; Wave digital lowpass filter, carrier synchronization extraction circuit, bit synchronization extraction circuit, coherent detector, each module input mouth 16 pin of integration decision device are connected with output port 1 pin of monitoring; Each input port 12 pin that A/D converter, digital frequency synthesizer, digital quadrature low-converter, wave digital lowpass filter, coherent detector, integration decision device, carrier synchronization are extracted circuit, bit synchronization extraction circuit, differential decoderl, timer manager are connected with the output port+V voltage end of power supply, and each input port 13 pin is connected with earth terminal;
Described A/D converter is with the analog signal sampling and the digitlization of intermediate frequency amplifier input; Digital frequency synthesizer will produce the derived digital signal in order to frequency conversion; The digital quadrature low-converter carries out the mixing of digital signal, finishes the frequency spectrum shift of signal; High-frequency signal after the wave digital lowpass filter filtering mixing obtains the required low frequency signal of demodulation; Coherent detector will recover modulated signals; The integration decision device carries out integration, judgement with the modulated signals of coherent detector input, obtains modulated information; Carrier synchronization extraction circuit will extract the carrier signal in the received signal; Bit synchronization is extracted circuit will extract the bit synchronization information that sends in the signal; Differential decoderl is transformed into absolute code with the relocatable code of integration decision device input, recovers raw information; Timer manager will provide work clock for above-mentioned each module.
The utility model is compared background technology following advantage:
1. the utility model parts such as integrated auxiliary multiplexer 1, modulator 3, auxiliary coupler 2, demodulator 4, intermediate frequency amplifier 5, power supply 6 in a standard 5U cabinet, the modulator-demodulator of microwave and scatter communication is combined, reduced the volume and the weight of modulator-demodulator greatly, made equipment have portability and miniaturization.
2. the utility model modulator 3 has adopted microwave and tropospheric scatter communica-tion modulator-demodulator compatible technique, improve communication capacity and the reliability of communication system under the different application environment greatly, thereby expanded the range of application of the integrated modem apparatus of microwave scattering.
3, the utility model modulator 3, demodulator 4 have adopted that a kind of algorithm is simple, the FPGA resource overhead is little and the anti fading carrier synchronization is extracted and the bit synchronization extracting method, have the different communication of adaptation speed, different channels performance capabilities, improved the communication performance and the reliable and stable degree of equipment.
4. critical piece of the present utility model adopts extensive field programmable logic device to make, and has adopted principle of Software Radio, therefore can realize modification to this device operating parameters neatly by disposing different programs.
5. the integrated degree height of the utility model, volume is little, and is in light weight, stable and reliable for performance, easy to maintenance.
Description of drawings
Fig. 1 is an electric functional-block diagram of the present utility model;
Fig. 2 is the electrical schematic diagram of the utility model modulator 3-1, modulator 3-2 internal relations embodiment;
Fig. 3 is the electrical schematic diagram of the utility model modulator 3-1 embodiment;
Fig. 4 is the electrical schematic diagram of the utility model modulator 3-2 embodiment;
Fig. 5 is the electrical schematic diagram of the utility model distortion adaptive demodulation device 4 embodiment.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model is made up of auxiliary multiplexer 1, auxiliary coupler 2, modulator 3, demodulator 4, intermediate frequency amplifier 5, power supply 6, watch-dog 7, and Fig. 1 is an electric functional-block diagram of the present utility model, and embodiment presses Fig. 1 connection line.Auxiliary multiplexer 1 effect of making a start is to receive business datum, with business datum and some other supplementary multiple connection.Modulator 3 effects are that the data that auxiliary multiplexer 1 is sent here are carried out base band shaping, are modulated to then on the carrier wave, and output frequency is the 70MHz modulation signal, form intermediate-freuqncy signal output.Embodiment multiplexer 1 is to adopt homemade multiplexer circuit production.The effect of the utility model receiving end intermediate frequency amplifier 5 is to finish the automatic gain of four tunnel received signals control, and initial control level is smaller or equal to-60dBm, and output level is more than or equal to 0dBm, control range 0~60dB; Another effect is that the intermediate-freuqncy signal that will be input as 70MHz is down-converted to the output of Low Medium Frequency signal.Embodiment intermediate frequency amplifier 5 is to adopt homemade intermediate frequency amplifier circuit production.
Modulator 3 effects are that the information after auxiliary multiplexer 1 multiple connection is finished intermediate frequency Modulation in the utility model, it independently is made of microwave modulator 3-1 and scattering modulator 3-2, two kinds of modulators switch by watch-dog 7 in the application, carry out work respectively, Fig. 2 be microwave modulator 3-1 and scattering modulator 3-2 inside annexation figure and with the annexation figure of external module.
Microwave modulator 3-1 effect is that the data after auxiliary multiplexer 1 multiple connection are modulated, and makes it to help propagating in microwave channel.It is made up of differential encoder 8, base band shaping filter 9, digital frequency converter 10, D/A converter 11, low pass filter 12, frequency mixer 13, amplifier 14, band pass filter 15, digital frequency synthesizer 16, local frequency synthesizer 17, timer manager 18, and Fig. 3 is the electrical schematic diagram of modulator 3-1 embodiment of the present invention.Embodiment presses Fig. 3 connection line.Differential encoder 8 is that absolute code is become relocatable code, in order to eliminate carrier phase ambiguities; Base band shaping filter 9 is to change the information dress into be adapted at transmitting in the channel signal.Digital frequency synthesizer 16 is the modules that produce the numerical frequency signal, for digital frequency converter 10 provides local oscillation signal.D/A converter 11 is in order to become modulated digital signal the modulated signal of simulation, the AD9763AST chip manufacturing that embodiment adopts ADI company to produce.Low pass filter 12 is in order to the spuious and interference of filtering D/A converter output signal medium-high frequency part, and embodiment adopts the PLP-15 low pass filter of the microwave company in sky, Chengdu.Frequency mixer 13 is finished the frequency spectrum shift of modulation signal, and the HSB-3 frequency mixer that embodiment adopts the microwave company in sky, Chengdu to produce is made.Signal after 14 pairs of mixing of amplifier amplifies, and embodiment adopts the EAR-5SM amplifier of U.S. MINI company to make.In the interference of low frequency and HFS and spuious, make by the 6MB/C-70/U11-18 filter that embodiment uses No.13 Inst., Chinese Electronic Science ﹠ Technology Group Co to produce in order to the filtering modulation signal for band pass filter 15.Local frequency synthesizer 17 provides the local oscillation signal of 79.6MHz, and for frequency mixer 13 provides local oscillator, embodiment is made of integrated phase lock device Si4133BT.Timer manager 18 provides the system clock of modulator work, and embodiment constitutes as the phase-locked loop of critical piece with VCXO (VCXO).Differential encoder 8, base band shaping filter 9, digital frequency converter 10, digital frequency synthesizer 14 embodiment adopt the programmable logic device EP1C6T144I7 that is produced by U.S. ALTERA company to finish.
Scattering modulator 3-2 effect is that the data after auxiliary multiplexer 1 multiple connection are modulated in the utility model, makes it to help to propagate in the tropospheric scatter channel.It is made up of differential encoder 19, base band shaping filter 20, digital delay 21, digital frequency synthesizer 1, digital frequency synthesizer 2 23, digital frequency converter 1, digital frequency converter 2 25, digital adder 26, D/A converter 27, low pass filter 28, frequency mixer 29, amplifier 30, band pass filter 31, local frequency synthesizer 32, timer manager 33, and Fig. 4 is the electrical schematic diagram of scattering modulator 3-2 embodiment.Embodiment presses Fig. 4 connection line.Differential encoder 19 is that absolute code is become relocatable code, in order to eliminate carrier phase ambiguities; Base band shaping filter 20 is information dress to be changed into be adapted at the signal that transmits in the tropospheric scatter channel.The signal delay t time of digital delay 21 after with a roadbed band moulding.Digital frequency synthesizer 1, digital frequency synthesizer 2 23 all are the modules that produce the numerical frequency signal, are respectively digital frequency converter 1, digital frequency converter 2 25 provides local oscillation signal.Numeral adder 26 is finished the addition of two-way digital frequency converter 1 and digital frequency converter 2 25 output signals.D/A converter 27 is in order to become modulated digital signal the modulated signal of simulation, the AD9763AST chip manufacturing that embodiment adopts ADI company to produce.Low pass filter 28 is in order to the spuious and interference of filtering D/A converter output signal medium-high frequency part, and embodiment adopts the PLP-15 low pass filter of the microwave company in sky, Chengdu.Frequency mixer 29 is finished the frequency spectrum shift of modulation signal, and the HSB-3 frequency mixer that embodiment adopts the microwave company in sky, Chengdu to produce is made.Signal after 30 pairs of mixing of amplifier amplifies, and embodiment adopts the EAR-5SM amplifier of U.S. MINI company to make.In the interference of low frequency and HFS and spuious, make by the 6MB/C-70/U11-18 filter that embodiment uses No.13 Inst., Chinese Electronic Science ﹠ Technology Group Co to produce in order to the filtering modulation signal for band pass filter 31.Local frequency synthesizer 32 provides the local oscillation signal of 79.6MHz, and for frequency mixer 29 provides local oscillator, embodiment is made of integrated phase lock device Si4133BT.Timer manager 33 provides modulator 3-2 the system clock of work, and embodiment constitutes as the phase-locked loop of critical piece with VCXO (VCXO).Differential encoder 19, base band shaping filter 20, digital delay 21, digital frequency synthesizer 1, digital frequency synthesizer 2 23, digital frequency converter 1, digital frequency converter 2 25, digital adder 26 embodiment adopt the programmable logic device EP1C6T144I7 that is produced by U.S. ALTERA company to finish.
Demodulator 4 is made up of A/D converter 34, digital frequency synthesizer 35, digital quadrature low-converter 36, wave digital lowpass filter 37, coherent detector 40, integration decision device 41, carrier synchronization extraction circuit 38, bit synchronization extraction circuit 39, differential decoderl 42, timer manager 43 in the utility model, Fig. 5 is the electrical schematic diagram of the utility model distortion adaptive demodulation device 4 embodiment, and embodiment presses Fig. 5 connection line.After sampling, A/D converter 34 is converted to digital Low Medium Frequency signal, again by with frequency mixing in digital quadrature down-conversion 36 modules of digital frequency synthesizer 35 output, be input to wave digital lowpass filter 37 filtering then, with filtering signal contrary accent, prison phase in coherent detector 40, output to integration decision device 41 and carry out the integration judgement; Decoding outputs to auxiliary coupler 2 in differential decoderl 42 at last; Timer manager 43 provides work clock for whole distortion adaptive demodulation device 4.Embodiment A/D converter 34 adopts the AD9218BST-65 of U.S. ADI company to make, timer manager 43 adopts the AD9854ASQ of U.S. ADI company to make, and digital frequency synthesizer 35, digital quadrature down-conversion 36, wave digital lowpass filter 37, carrier synchronization extraction circuit 38, bit synchronization extraction circuit 39, coherent detector 40, integration decision device 41, differential decoderl 42 all adopt the programmable logic device EP1S60F1020I6 that is produced by U.S. ALTERA company to realize.
The effect of the auxiliary coupler 2 of the utility model is that the data code flow branch that demodulator 4 is sent here is connected into business datum and other supplementarys.The auxiliary coupler 2 of embodiment is to adopt homemade auxiliary coupler circuit production.The effect of power supply 6 of the present invention provides parts operating voltages at different levels, and embodiment adopts general integrated regulated power supply to make, and output+V voltage is+5V voltage that output+V2 voltage is+12V voltage.The effect of watch-dog 7 of the present invention is to pass through I 2The C bus provides the State Control and the inquiry of whole device, and the W77E58-40 single-chip microcomputer that embodiment adopts Hua Bang company to produce is made.
The concise and to the point operation principle of the utility model is as follows: transmitting terminal has been realized the multiple connection of business datum and other supplementarys in auxiliary multiplexer 1, finish the base band shaping of signal and the intermediate frequency Modulation of information in modulator 3.Four tunnel intermediate-freuqncy signals that receiving terminal at first will receive are finished signal in intermediate frequency amplifier 5 AGC amplifies and mixing, the intermediate-freuqncy signal of 70MHz is become the Low Medium Frequency signal, then through giving demodulator 4 with the Low Medium Frequency signal.In modulator 3, microwave modulator 3-1 is with following concise and to the point works.The information of auxiliary multiplexer 1 input is sent into base band formed filter 9 among Fig. 3 behind differential encoder 8 codings, formation is suitable for the signal of microwave channel transmission, send into the signal source mixing that digital frequency converter 10 and digital frequency synthesizer 16 produce again, deliver to A/D converter 11 and become analog signal, finish low-pass filtering, frequency translation, signal amplification, the bandpass filtering of signal again through low pass filter 12, frequency mixer 13, amplifier 14, band pass filter 15 respectively, export by external signal port U, W at last.Scattering modulator 3-2 is with following concise and to the point works.The information of auxiliary multiplexer 1 input is sent into base band formed filter 20 among Fig. 4 behind differential encoder 19 codings, formation is suitable for the baseband signal of scatter channel transmission, and Hou Yilu sends into the signal source mixing of digital frequency converter 1 and digital frequency synthesizer one 22 generations; Digital delay 21 is sent on another road, in the signal source mixing of digital frequency converter 2 25 with digital frequency synthesizer 2 23 generations, again the signal after the two-way mixing is sent into digital adder 26, become through A/D converter 27 and to send into frequency mixer 29, amplifier 30, band pass filter 31 after analog signal exports low pass filter 28, low-pass filtering to successively and finish respectively that the frequency translation of signal, signal amplify, bandpass filtering, export by external signal port U, W at last.The code stream information and the synchronised clock information of demodulator 4 outputs are given coupler 2, in coupler 2 information are carried out tap, outgoing traffic information and other supplementarys.
The utility model mounting structure is as follows: circuit devcie among Fig. 1 to Fig. 4 is pressed Fig. 1 to Fig. 4 connection line, being installed in seven length and widths is in the printed board of 280 * 140mm, then printed board being installed in a length is in 150 * 290 * 26 millimeters the card cage, card cage is installed in the standard PC case of wide 19 inches, high 5U, a dark 425mm.The input port A cable socket (with the output port 1 common cable socket of auxiliary coupler 3) that is connected with auxiliary multiplexer 1 is installed on the rear board of cabinet, also be equipped with at the cabinet rear board: modulator 3 output port U, W cable socket, external reference signal source input port R, received signal input port E, F, G, H cable socket, power input socket, assembly cost uses novel.

Claims (5)

1. integrated communicator of microwave scattering, it comprises auxiliary multiplexer (1), auxiliary coupler (2), intermediate frequency amplifier (5), power supply (6), watch-dog (7), it is characterized in that: also comprise modulator (3) and demodulator (4); Input port 1 pin of described auxiliary multiplexer (1) connects external data port A, auxiliary coupler (2) output port 1 pin connects external data port B, and input port 2 pin of input port 5 pin of input port 2 pin of auxiliary multiplexer (1), input port 2 pin of modulator (3), demodulator (4), input port 9 pin of intermediate frequency amplifier (5), auxiliary coupler (2) are respectively with output port 1 pin of watch-dog (7) and connect; Output port 3 pin of auxiliary multiplexer (1) connect input port 1 pin of modulator (3), and signal output port 3,4 pin of modulator (3) connect external signal port U, W respectively, and input port 5 pin are connected with external reference source port R; Input port 1,2,3,4 pin of intermediate frequency amplifier (5) connect external signal interface E, F, G, H respectively, and input port 1,2,3,4 pin of demodulator (4) are connected respectively to intermediate frequency amplifier (5) output port 5,6,7,8 pin; Demodulator (4) output port 6 pin are connected with auxiliary coupler (2) input port 3 pin, and input port 7 pin are connected with external reference source port R; Power supply (6) output+V ,+the V2 voltage end is connected to the corresponding power port of each module.
2. the integrated communicator of microwave scattering according to claim 1 is characterized in that: modulator (3) is made of microwave communication modulator (3-1) and scatter communication modulator (3-2); Input port 1 pin of microwave communication modulator (3-1) and scatter communication modulator (3-2) is connected output port 3 pin of auxiliary multiplexer (1) respectively, its input port 2 pin are respectively with output port 1 pin of watch-dog (7) and connect, its signal output port 3,4 pin connect external signal port U, W respectively, and its input port 5 pin are connected with external reference source port R.
3. the integrated communicator of microwave scattering according to claim 2 is characterized in that: microwave communication modulator (3-1) comprises differential encoder (8), base band shaping filter (9), digital frequency converter (10), D/A converter (11), low pass filter (12), frequency mixer (13), amplifier (14), band pass filter (15), digital frequency synthesizer (16), local frequency synthesizer (17), timer manager (18); Output port 3 pin of wherein auxiliary multiplexer (1) are connected in series differential encoder (8), base band formed filter (9), digital frequency converter (10), D/A converter (11), low pass filter (12), frequency mixer (13), amplifier (14) successively and link to each other with the input port 1 of band pass filter (15) after respectively going into out end 1,2 pin, and the output port 3,4 of band pass filter (15) is connected with external signal port U, W respectively; Input port 1 pin of local frequency synthesizer (17), input port 1 pin of timer manager (18) meet outside input external reference source port R, and output port 2 pin of timer manager (18) also connect base band shaping filter (9), digital frequency synthesizer (16), digital frequency converter (10), each input port 3 pin of D/A converter (11); Output port 2 pin of digital frequency synthesizer (16) connect input port 4 pin of digital frequency converter (10); Output port 2 pin of local frequency synthesizer (17) connect input port 3 pin of frequency mixer (13); Input port 5 pin of differential encoder (8), base band shaping filter (9), each module of digital frequency converter (10) all are connected with output port 1 pin of monitoring 7.
4. the integrated communicator of microwave scattering according to claim 2 is characterized in that: scatter communication modulator (3-2) comprises differential encoder (19), base band shaping filter (20), digital delay (21), digital frequency synthesizer one (22), digital frequency synthesizer two (23), digital frequency converter one (24), digital frequency converter two (25), numeral adder (26), D/A converter (27), low pass filter (28), frequency mixer (29), amplifier (30), band pass filter (31), local frequency synthesizer (32), timer manager (33); Output port 3 pin of wherein auxiliary multiplexer (1) are connected in series differential encoder (19), base band formed filter (20), digital frequency converter one (24), digital adder (26), A/D converter (27) low pass filter (28), frequency mixer (29), amplifier (30) successively and are connected with the input port 1 of band pass filter (31) after respectively going into out end 1,2 pin, and the output port 3,4 of band pass filter (31) is connected with external signal port U, W respectively; Output port 2 pin of base band shaping filter (20) are connected with input port 1 pin of digital delay (21); Output port 2 pin of digital delay (21) are connected with input port 1 pin of digital frequency converter two (25); Output port 2 pin of digital frequency synthesizer two (23) are connected with input port 4 pin of digital frequency converter (25); Output port 2 pin of digital frequency converter two (25) are connected with input port 4 pin of digital adder (26); Input port 1 pin of timer manager (33), input port 1 pin of local frequency synthesizer (32) meet outside input external reference source port R, and output port 2 pin of timer manager (33) also connect each input port 3 pin of base band shaping filter (20), digital delay (21), digital frequency synthesizer one (22), digital frequency synthesizer two (23), digital frequency converter one (24), digital frequency converter two (25), digital adder (26), D/A converter (27); Output port 2 pin of digital frequency synthesizer one (22) connect input port 4 pin of digital frequency converter one (24), and output port 2 pin of local frequency synthesizer (32) connect input port 3 pin of frequency mixer (29); Input port 5 pin of differential encoder (19), base band shaping filter (20), digital delay (21), digital frequency converter one (24), digital frequency converter two (25), each module of digital adder (26) are connected with output port 1 pin of monitoring 7.
5. according to the integrated communicator of the arbitrary described microwave scattering of claim 1 to 4, it is characterized in that: demodulator (4) comprises that A/D converter (34), digital frequency synthesizer (35), digital quadrature low-converter (36), wave digital lowpass filter (37), coherent detector (40), integration decision device (41), carrier synchronization are extracted circuit (38), bit synchronization is extracted circuit (39), differential decoderl (42), timer manager (43); The input port 1 of A/D converter (34) wherein, 2,3,4 pin connect the output port 5 of intermediate frequency amplifier (5) respectively, 6,7,8 pin, the output port 5 of A/D converter (34), 6,7,8 pin connect the input port 1 of digital quadrature down converter (36) respectively, 2,3,4 pin, the output port 2 of digital frequency synthesizer (35), 3 pin connect the input port 9 of digital quadrature down converter (36) respectively, 10 pin, the output port 5 of digital quadrature low-converter (36), 6,7,8 pin connect the input port 1 of wave digital lowpass filter (37) respectively, 2,3,4 pin, the output port 5 of wave digital lowpass filter (37), 6,7,8 pin one tunnel connect the input port 1 of coherent detector (40) respectively, 2,3,4 pin, another road connects the input port 1 that bit synchronization is extracted circuit (39) respectively, 2,3,4 pin, output port 5 pin of coherent detector (40) connect input port 1 pin of integration decision device (41), what carrier synchronization was extracted circuit (38) goes into outbound port 1, what 2 pin connected coherent detector (40) respectively goes out inbound port 9,10 pin, bit synchronization is extracted input port 2 pin of the output port 5 pin connection integration decision devices (41) of circuit (39), output port 3 pin of integration decision device (41) connect input port 1 pin of differential decoderl (42), output port 6 pin of differential decoding (42) connect input port 3 pin of auxiliary coupler (2), input port 1 pin of timer manager (43) connects external reference source port R, and output port 2 pin also connect A/D converter (34), digital frequency synthesizer (35), digital quadrature low-converter (36), wave digital lowpass filter (37), coherent detector (40), integration decision device (41), carrier synchronization is extracted circuit (38), bit synchronization is extracted each input port 11 pin of circuit (39); Wave digital lowpass filter (37), carrier synchronization extraction circuit (38), bit synchronization extraction circuit (39), coherent detector (40), each module input mouth 16 pin of integration decision device (41) are connected with output port 1 pin of monitoring 7.
CN2010201216509U 2010-03-03 2010-03-03 Microwave scattering integrated communication device Expired - Fee Related CN201590818U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103888166A (en) * 2013-11-20 2014-06-25 中国电子科技集团公司第五十四研究所 Co-spectrum transmission modulation and demodulation device for scatter communication
CN109167612A (en) * 2018-10-30 2019-01-08 中国电子科技集团公司第五十四研究所 One kind defending logical and scatter communication integrated apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103888166A (en) * 2013-11-20 2014-06-25 中国电子科技集团公司第五十四研究所 Co-spectrum transmission modulation and demodulation device for scatter communication
CN103888166B (en) * 2013-11-20 2015-11-11 中国电子科技集团公司第五十四研究所 Transmission modulation-demodulation device is composed in scatter communication altogether
CN109167612A (en) * 2018-10-30 2019-01-08 中国电子科技集团公司第五十四研究所 One kind defending logical and scatter communication integrated apparatus
CN109167612B (en) * 2018-10-30 2019-10-29 中国电子科技集团公司第五十四研究所 One kind defending logical and scatter communication integrated apparatus

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