CN101707578A - Method for designing self-tracking signal source with single channel and single pulse system - Google Patents
Method for designing self-tracking signal source with single channel and single pulse system Download PDFInfo
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- CN101707578A CN101707578A CN200910175496A CN200910175496A CN101707578A CN 101707578 A CN101707578 A CN 101707578A CN 200910175496 A CN200910175496 A CN 200910175496A CN 200910175496 A CN200910175496 A CN 200910175496A CN 101707578 A CN101707578 A CN 101707578A
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Abstract
The invention discloses a method for designing a self-tracking signal source with a single channel and single pulse system, relating to the method for designing the self-tracking signal source in the fields of communication, measurement and control. In the method, a base band signal modulation technique, a Doppler information simulation technique, a digital control oscillator technique and an antenna servo feed source simulation technique are comprehensively adopted, so as to generate single carrier wave quadrature modulation signals, spread spectrum quadrature modulation signals, BPSK quadrature modulation signals and QPSK quadrature modulation signals simultaneously having Doppler signals, bearing error voltage signals, pitching error voltage signals and square wave modulation signals and used for simulating the self-tracking system with the single channel and single pulse system, thereby realizing the simulation of debugging signals of a self-tracking receiver with the single channel and single pulse system. The method further has the advantages of carrying out debugging, test and functional index detection of the self-tracking system under the conditions of laboratory, greatly improving the work efficiency, reducing the field test cost and the like; particularly, the method is applied to the self-tracking signal simulation source design of the self-tracking system with the single channel and single pulse system of locations, such as the satellite receiving station, the satellite tracking telemetry and command station and the like.
Description
Technical field
The present invention relates to communicate by letter, the method for designing of a kind of self-tracking signal source with single channel and single pulse system in the measurement and control area, be specially adapted to the autotracking signal imitation source design of the single channel and single pulse system autotracking system of occasions such as Satellite Receiving Station, tracking telemetry and command station.
Background technology
At present, the autotracking receiving system of single channel, pulse system is widely used in systems such as Satellite Receiving Station and target range observing and controlling thereof, debugging, test and the functional parameter of the autotracking receiving system of single channel, pulse system detected the far field beacon signal need be set, watching feedback system in conjunction with the sky just can finish at field testing, therefore need to consume very big man power and material, and system problem is difficult for decomposing and the location, the functional parameter testing complex of autotracking receiving system, testing time is long, influences project progress.Do not having under the beacon signal condition of far field, equipment carries out the self check difficulty, can not satisfy the equipment instructions for use.
Summary of the invention
Technical problem to be solved by this invention is to avoid the weak point in the above-mentioned background technology and a kind of Doppler signal that can have simultaneously is provided, the azimuthal error voltage signal, the method for designing of the self-tracking signal source with single channel and single pulse system of pitch error voltage signal and square-wave modulation signal, can simulate single channel, have Doppler signal in the time of pulse autotracking system, the azimuthal error voltage signal, the single carrier orthogonal modulation signal of pitch error voltage signal and square-wave modulation signal, the spread-spectrum orthogonal modulation signal, the BPSK orthogonal demodulation signal, the QPSK orthogonal demodulation signal is realized single channel, the debugging of pulse autotracking receiver, test and functional parameter detect.The present invention also has the debugging, test and the functional parameter that carry out the autotracking system under laboratory condition and detects, increase work efficiency greatly, reduce the field trial cost, can also not have to carry out under the beacon signal condition of far field characteristics such as single channel and single pulse system autotracking receiving equipment self check.
The object of the present invention is achieved like this, and it comprises step:
1. select under the control signal control any roadbed band signal of single-frequency baseband signal or spread baseband signal or BPSK baseband signal or QPSK baseband signal to be exported to digital quadrature modulators in the base band of CPCI computer;
2. under the clock and the control of Doppler's control signal of CPCI computer, clock signal and Doppler frequency shift and doppler changing rate curve signal are inputed to digital controlled oscillator generate the orthogonal signalling that have Doppler signal, the orthogonal signalling that have Doppler signal are exported to digital quadrature modulators;
3. digital quadrature modulators will have the orthogonal signalling of Doppler signal and any roadbed band signal of single-frequency baseband signal or spread baseband signal or BPSK baseband signal or QPSK baseband signal carries out quadrature modulation, generate to have the single-frequency orthogonal demodulation signal of Doppler signal or have the spread-spectrum orthogonal modulation signal of Doppler signal or have the BPSK orthogonal demodulation signal of Doppler signal or have the QPSK orthogonal demodulation signal of Doppler signal;
4. digital quadrature modulators is having the single-frequency orthogonal demodulation signal of Doppler signal or having the spread-spectrum orthogonal modulation signal of Doppler signal or the QPSK orthogonal demodulation signal that has the BPSK orthogonal demodulation signal of Doppler signal or have a Doppler signal is exported to orientation gain controller and pitching gain controller;
5. under the angle parameter control signal control of CPCI computer, the azimuthal error voltage signal of antenna azimuth parameter simulation is exported to the orientation gain controller, the pitch error voltage signal of antenna elevation angle simulation is exported to the pitching gain controller; The orientation gain controller produces under azimuthal error voltage signal control and has the single-frequency orthogonal demodulation signal of Doppler signal and azimuthal error voltage signal or have Doppler signal and the spread-spectrum orthogonal modulation signal of azimuthal error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of azimuthal error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of azimuthal error voltage signal, exports to first coupler; The pitching gain controller is under the control of pitch error voltage signal, generation has the single-frequency orthogonal demodulation signal of Doppler signal and pitch error voltage signal or has Doppler signal and the spread-spectrum orthogonal modulation signal of pitch error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of pitch error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of pitch error voltage signal, exports to first coupler; First coupler is coupled the two-way input signal;
6. under the waveform parameter control signal control of CPCI computer, square-wave modulation signal is inputed to biphase modulator, biphase modulator carries out bi-phase modulated with the square-wave modulation signal and the first coupler output signal, generation has Doppler signal, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
7. second coupler has Doppler signal with the output that is coupled of any one road positive blending output signal of the output signal of biphase modulator and digital quadrature modulators, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
8. the DA converter is transformed into the 70MHz intermediate-freuqncy signal with the second coupler output signal and exports to band pass filter; 70MHz intermediate-freuqncy signal after the band-pass filter inputs to power amplifier, and the signal that power amplifier carries out the 70MHz intermediate-freuqncy signal after the power amplification inputs to numerical-control attenuator;
9. under the attenuation control signal control of CPCI computer, numerical-control attenuator output two-way 70MHz intermediate-freuqncy signal, wherein one the tunnel directly output as the intermediate frequency debug signal of autotracking receiver, another road is exported to the upconverter of L frequency range or S frequency range or X frequency range and is carried out up-conversion, generates the radio frequency debug signal of the debug signal of L frequency range or S frequency range or X frequency range as the autotracking receiver.
The present invention compares with background technology, has following advantage:
1. the present invention adopts the input signal of simulation single channel, pulse system satellite earth antenna, and the debugging, test and the functional parameter that carry out the autotracking system under laboratory condition detect, and increase work efficiency greatly, reduce the field trial cost.
2. the present invention can also can carry out advantages such as single channel and single pulse system autotracking receiving equipment self check at the simulation signal generator that does not have to adopt the present invention to make under the beacon signal condition of far field.
Description of drawings
Fig. 1 is the electric theory diagram of the embodiment of the invention.
1 is the CPCI computer among Fig. 1,2 are control of CPCI interface and data transmit-receive module, 3 is the azimuthal error voltage generator, 4 is the pitch error voltage generator, 5 is the spread baseband signal maker, 6 is the QPSK baseband signal maker, 7 is the BPSK baseband signal maker, 8 is clock generator, 9 is Doppler frequency shift and doppler changing rate curve maker, 10 is the pitch error voltage generator, 11 is the square-wave modulation signal maker, 12 is digital controlled oscillator, 13 is digital quadrature modulators, 14 is the orientation gain controller, 15 are the pitching gain controller, 16 is first coupler, 17 is biphase modulator, 18 is second coupler, 19 is the DA converter, 20 is band pass filter, 21 is power amplifier, 22 is numerical-control attenuator, 23 is upconverter.
Specific implementation
With reference to Fig. 1, the embodiment of the invention as shown in Figure 1, it is by CPCI computer 1, control of CPCI interface and data transmit-receive module 2, azimuthal error voltage generator 3, single-frequency baseband signal maker 4, spread baseband signal maker 5, QPSK baseband signal maker 6, BPSK baseband signal maker 7, clock generator 8, Doppler frequency shift and doppler changing rate curve maker 9, pitch error voltage generator 10, square-wave modulation signal maker 11, digital controlled oscillator 12, digital quadrature modulators 13, orientation gain controller 14, pitching gain controller 15, first coupler 16, biphase modulator 17, second coupler 18, DA converter 19, band pass filter 20, power amplifier 21, numerical-control attenuator 22, upconverter 23 is formed, embodiment presses Fig. 1 connection line, and each control signal of CPCI computer 1 output is by the control of CPCI interface and 2 pairs of azimuthal error voltage generators 3 of data transmit-receive module among Fig. 1, pitch error voltage generator 10, single-frequency baseband signal maker 4, spread baseband signal maker 5, QPSK baseband signal maker 6, BPSK baseband signal maker 7, clock generator 8, Doppler frequency shift and doppler changing rate curve maker 9, square-wave modulation signal maker 11, digital controlled oscillator 12 is controlled.
It is as follows to the present invention includes step:
1. select under the control signal control in the base band of CPCI computer 1, any roadbed band signal of single-frequency baseband signal maker 4 or spread baseband signal maker 5 or BPSK baseband signal maker 7 or 6 each makers generation of QPSK baseband signal maker is exported to digital quadrature modulators 13;
2. under the clock and the control of Doppler's control signal of CPCI computer 1, the clock signal of clock signal maker 8 generations and Doppler's variable signal of Doppler frequency shift and 9 generations of doppler changing rate curve signal maker are inputed to the orthogonal signalling that digital controlled oscillator 12 generations have Doppler signal, the orthogonal signalling that have Doppler signal are exported to digital quadrature modulators 13;
3. digital quadrature modulators 13 will have the orthogonal signalling of Doppler signal and any roadbed band signal of single-frequency baseband signal or spread baseband signal or BPSK baseband signal or QPSK baseband signal carries out quadrature modulation, generate to have the single-frequency orthogonal demodulation signal of Doppler signal or have the spread-spectrum orthogonal modulation signal of Doppler signal or have the BPSK orthogonal demodulation signal of Doppler signal or have the QPSK orthogonal demodulation signal of Doppler signal;
4. digital quadrature modulators 13 is having the single-frequency orthogonal demodulation signal of Doppler signal or having the spread-spectrum orthogonal modulation signal of Doppler signal or the QPSK orthogonal demodulation signal that has the BPSK orthogonal demodulation signal of Doppler signal or have a Doppler signal is exported to orientation gain controller 14 and pitching gain controller 15;
5. under the angle parameter control signal control of CPCI computer 1, the azimuthal error voltage signal of the antenna azimuth parameter simulation that azimuthal error voltage generator 3 is produced is exported to orientation gain controller 14, and the pitch error voltage signal of the antenna elevation angle simulation that pitch error voltage generator 10 is produced is exported to pitching gain controller 15; Orientation gain controller 14 produces under azimuthal error voltage signal control and has the single-frequency orthogonal demodulation signal of Doppler signal and azimuthal error voltage signal or have Doppler signal and the spread-spectrum orthogonal modulation signal of azimuthal error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of azimuthal error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of azimuthal error voltage signal, exports to first coupler 16; Pitching gain controller 15 is under the control of pitch error voltage signal, generation has the single-frequency orthogonal demodulation signal of Doppler signal and pitch error voltage signal or has Doppler signal and the spread-spectrum orthogonal modulation signal of pitch error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of pitch error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of pitch error voltage signal, exports to first coupler 16; First coupler 16 is coupled the two-way input signal;
6. the square-wave signal that under the waveform parameter control signal control of CPCI computer 1 square-wave modulation signal maker 11 is produced inputs to biphase modulator 17, biphase modulator 17 carries out bi-phase modulated with square-wave modulation signal maker 11 and first coupler, 16 output signals, generation has Doppler signal, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
7. second coupler 18 has Doppler signal with the output that is coupled of any one road positive blending output signal of each orthogonal demodulation signal of biphase modulator 17 output and digital quadrature modulators 13, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
8. DA converter 19 is transformed into the 70MHz intermediate-freuqncy signal with second coupler, 18 output signals and exports to band pass filter 20; Band pass filter 20 filtered 70MHz intermediate-freuqncy signals input to power amplifier 21, and signal inputed to numerical-control attenuator 22 after power amplifier 21 carried out power amplification with the 70MHz intermediate-freuqncy signal;
9. under the attenuation control signal control of CPCI computer 1, numerical-control attenuator 22 output two-way 70MHz intermediate-freuqncy signals, wherein one the tunnel directly output as the intermediate frequency debug signal of autotracking receiver, another road is exported to the upconverter 23 of L frequency range or S frequency range or X frequency range and is carried out up-conversion, generates the radio frequency debug signal of the debug signal of L frequency range or S frequency range or X frequency range as the autotracking receiver.
Operation principle of the present invention is as follows:
Under each control signal control of CPCI computer, the output signal of clock generator 8 and Doppler frequency shift and doppler changing rate curve maker 9 is exported to digital controlled oscillator 12, single-frequency baseband signal maker 4, spread baseband signal maker 5, QPSK baseband signal maker 6, any one road signal of BPSK baseband signal maker 7 and the output signal of digital controlled oscillator 12 are exported to digital quadrature modulation 13, orientation gain controller 14 carries out gain controlling to one tunnel output signal of digital quadrature modulators 13 and exports to first coupler 16 under the control of azimuthal error voltage generator 3 output signals, pitching gain controller 15 carries out gain controlling to another road output signal of digital quadrature modulators 13 and exports to first coupler 16 under the control of pitch error voltage generator 10 output signals, biphase modulator 17 carries out bi-phase modulated and exports to second coupler 18 under the 11 generation square wave controls of square-wave modulation signal maker, DA converter 19, band pass filter 20, power amplifier 21, numerical-control attenuator 22, upconverter 23, output 70MHz intermediate-freuqncy signal and L/S/X waveband radio frequency signal.
Claims (1)
1. the method for designing of a self-tracking signal source with single channel and single pulse system comprises step:
1. select under the control signal control any roadbed band signal of single-frequency baseband signal or spread baseband signal or BPSK baseband signal or QPSK baseband signal to be exported to digital quadrature modulators in the base band of CPCI computer;
2. under the clock and the control of Doppler's control signal of CPCI computer, clock signal and Doppler frequency shift and doppler changing rate curve signal are inputed to digital controlled oscillator generate the orthogonal signalling that have Doppler signal, the orthogonal signalling that have Doppler signal are exported to digital quadrature modulators;
3. digital quadrature modulators will have the orthogonal signalling of Doppler signal and any roadbed band signal of single-frequency baseband signal or spread baseband signal or BPSK baseband signal or QPSK baseband signal carries out quadrature modulation, generate to have the single-frequency orthogonal demodulation signal of Doppler signal or have the spread-spectrum orthogonal modulation signal of Doppler signal or have the BPSK orthogonal demodulation signal of Doppler signal or have the QPSK orthogonal demodulation signal of Doppler signal;
4. digital quadrature modulators is having the single-frequency orthogonal demodulation signal of Doppler signal or having the spread-spectrum orthogonal modulation signal of Doppler signal or the QPSK orthogonal demodulation signal that has the BPSK orthogonal demodulation signal of Doppler signal or have a Doppler signal is exported to orientation gain controller and pitching gain controller;
It is characterized in that also comprising step:
5. under the angle parameter control signal control of CPCI computer, the azimuthal error voltage signal of antenna azimuth parameter simulation is exported to the orientation gain controller, the pitch error voltage signal of antenna elevation angle simulation is exported to the pitching gain controller; The orientation gain controller produces under azimuthal error voltage signal control and has the single-frequency orthogonal demodulation signal of Doppler signal and azimuthal error voltage signal or have Doppler signal and the spread-spectrum orthogonal modulation signal of azimuthal error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of azimuthal error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of azimuthal error voltage signal, exports to first coupler; The pitching gain controller is under the control of pitch error voltage signal, generation has the single-frequency orthogonal demodulation signal of Doppler signal and pitch error voltage signal or has Doppler signal and the spread-spectrum orthogonal modulation signal of pitch error voltage signal or have Doppler signal and the BPSK orthogonal demodulation signal of pitch error voltage signal or have Doppler signal and the QPSK orthogonal demodulation signal of pitch error voltage signal, exports to first coupler; First coupler is coupled the two-way input signal;
6. under the waveform parameter control signal control of CPCI computer, square-wave modulation signal is inputed to biphase modulator, biphase modulator carries out bi-phase modulated with the square-wave modulation signal and the first coupler output signal, generation has Doppler signal, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
7. second coupler has Doppler signal with the output that is coupled of any one road positive blending output signal of the output signal of biphase modulator and digital quadrature modulators, the azimuthal error voltage signal, the single-frequency orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the spread-spectrum orthogonal modulation signal of pitch error voltage signal and square-wave signal, or have a Doppler signal, the azimuthal error voltage signal, the BPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal, or have Doppler signal, the azimuthal error voltage signal, the QPSK orthogonal demodulation signal of pitch error voltage signal and square-wave signal;
8. the DA converter is transformed into the 70MHz intermediate-freuqncy signal with the second coupler output signal and exports to band pass filter; 70MHz intermediate-freuqncy signal after the band-pass filter inputs to power amplifier, and the signal that power amplifier carries out the 70MHz intermediate-freuqncy signal after the power amplification inputs to numerical-control attenuator;
9. under the attenuation control signal control of CPCI computer, numerical-control attenuator output two-way 70MHz intermediate-freuqncy signal, wherein one the tunnel directly output as the intermediate frequency debug signal of autotracking receiver, another road is exported to the upconverter of L frequency range or S frequency range or X frequency range and is carried out up-conversion, generates the radio frequency debug signal of the debug signal of L frequency range or S frequency range or X frequency range as the autotracking receiver.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101883062A (en) * | 2010-07-27 | 2010-11-10 | 四川九洲电器集团有限责任公司 | Single-pulse single-channel broadband receiving method |
| CN101951296A (en) * | 2010-09-02 | 2011-01-19 | 航天东方红卫星有限公司 | Spread-spectrum TTC integrated testing system for three-satellite parallel testing |
| CN102638228A (en) * | 2012-03-09 | 2012-08-15 | 北京创毅讯联科技股份有限公司 | Up-converter and up-conversion method |
| CN104243066A (en) * | 2014-09-05 | 2014-12-24 | 航天东方红卫星有限公司 | Relay satellite tracking program control and autotracking combination mode test system and method |
| CN106443677A (en) * | 2016-09-28 | 2017-02-22 | 西安思丹德信息技术有限公司 | Frequency-hopping spread spectrum communication system pseudo code ranging and angle measurement method |
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| US20070019744A1 (en) * | 2003-05-08 | 2007-01-25 | Guenter Spahlinger | Pulse modulator and pulse modulation method |
| CN101309092A (en) * | 2008-07-14 | 2008-11-19 | 哈尔滨工业大学 | Ultra-wideband impulse signal modulation and demodulation method in fractional Fourier transform |
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| US20070019744A1 (en) * | 2003-05-08 | 2007-01-25 | Guenter Spahlinger | Pulse modulator and pulse modulation method |
| CN101309092A (en) * | 2008-07-14 | 2008-11-19 | 哈尔滨工业大学 | Ultra-wideband impulse signal modulation and demodulation method in fractional Fourier transform |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883062A (en) * | 2010-07-27 | 2010-11-10 | 四川九洲电器集团有限责任公司 | Single-pulse single-channel broadband receiving method |
| CN101883062B (en) * | 2010-07-27 | 2013-06-05 | 四川九洲电器集团有限责任公司 | Single-pulse single-channel broadband receiving method |
| CN101951296A (en) * | 2010-09-02 | 2011-01-19 | 航天东方红卫星有限公司 | Spread-spectrum TTC integrated testing system for three-satellite parallel testing |
| CN102638228A (en) * | 2012-03-09 | 2012-08-15 | 北京创毅讯联科技股份有限公司 | Up-converter and up-conversion method |
| CN104243066A (en) * | 2014-09-05 | 2014-12-24 | 航天东方红卫星有限公司 | Relay satellite tracking program control and autotracking combination mode test system and method |
| CN104243066B (en) * | 2014-09-05 | 2016-06-01 | 航天东方红卫星有限公司 | A kind of follow the tracks of the program control of relay satellite and autotracking united mode test macro and method |
| CN106443677A (en) * | 2016-09-28 | 2017-02-22 | 西安思丹德信息技术有限公司 | Frequency-hopping spread spectrum communication system pseudo code ranging and angle measurement method |
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