CN104113371A - Transmit type satellite monitoring simulating device and working and application method - Google Patents
Transmit type satellite monitoring simulating device and working and application method Download PDFInfo
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Abstract
The invention discloses transmit type satellite monitoring simulation device and a working method thereof. The device comprises a receiving antenna module, a receiving channel unit, a digital signal processing unit and an emitting channel unit, wherein the receiving antenna module is used for processing GPS, GLS and BD2 satellite signals by filter and amplification and outputting a low-noise and amplified satellite signal; the receiving channel unit is used for performing frequency conversion, amplification, filtering, and outputting an intermediate-frequency signal that meets the requirement of a signal processing unit; the digital signal processing unit is used for receiving the intermediate-frequency signal output by the receiving channel unit, performing AD conversion for the intermediate-frequency signal, carrying out anti-interference processing and modulation for the signal, and then outputting the intermediate-frequency signal through a DA module; the emitting channel unit is used for receiving the intermediate-frequency signal output by the DA module of the emitting channel unit, and performing power control, up-conversion processing, synthesizing and attenuation output for the intermediate-frequency signal output by the DA module.
Description
Technical field
The invention belongs to satellite signal receiving and signal transmitter technical field, be specially a kind of relay type satellite-signal and monitor analog machine and method of work and methods for using them thereof.
Background technology
Satellite-signal transponder is as development, the testing equipment of being engaged in satellite navigation, indoor test environment can be provided, reduce the maintenance in field trial and outfield, save development and maintenance cost, shorten the R&D cycle of product, the problem that analytic product exists, the design level of improving product, the testing efficiency of raising product.
The main technical schemes of existing satellite-signal transponder is: the reception antenna that utilizes single and a plurality of frequencies, related satellite navigation signal is received, through power amplifier, amplify, add the power amplification decay of certain limit to control, then by firing cable or transmitting antenna, directly forward.Existing satellite-signal transponder can only simply carry out amplification forwarding by the satellite-signal receiving, but in amplifying signal, has amplified noise, is unfavorable for that the signal of satellite receiver receives test.
Two of the shortcoming of existing satellite-signal transponder is that the state of current satellite-signal cannot be provided to tester, tester does not have, with reference to judging the problem of satellite-signal or the problem of tested receiver, cannot carry out integrated mode selection to the satellite navigation signals forwarding when test satellite receiver yet.
Summary of the invention
The present invention's design is intended to realize GPS, GLS, B1, in the time of B3 tetra-frequency satellite navigation signals, receive, signal and position monitor, purifying signal forwards, forward signal is selected and power is controlled, and can realize the autonomous calibration of forward signal power, it is the multi-functional powerful that carries out the indoor research and development test of satellite navigation receiver and production test check, one of object of the present invention is that forward signal is purified, before repeater satellite signal by noise eliminating, two of object of the present invention is to allow equipment in forward signal, carry out satellite monitoring, the data reference of current receiving satellite signal and location is provided, and provide the combination of forwarding output mode to select to control.
Implementation of the present invention is as follows:
Relay type satellite-signal monitors analog machine, comprises following structure:
Reception antenna module: receive GPS, GLS, BD2 satellite-signal, GPS, GLS, BD2 satellite-signal are carried out to filter amplifying processing, the satellite-signal of output low noise and amplification;
Receive path unit: receive after the satellite-signal of low noise and amplification, carry out the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Receive the intermediate-freuqncy signal of receive path unit output, intermediate-freuqncy signal is carried out to AD conversion, and the signal of AD conversion output is carried out to despreading processing, demodulation process, localization process, lock after a certain satellite-signal, the range finding of output locking satellite, parameter tests the speed, demodulate the navigation message of locking satellite, read measurement data and demodulation text simultaneously, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and press the packet of protocol requirement output NMEA0183 form, through DA module, by the clock cycle, forward output intermediate-freuqncy signal simultaneously,
Transmitting Channel Elements: the intermediate-freuqncy signal that Channel Elements DA module is exported is launched in reception, carries out upconversion process, synthetic processing, decays to export and process when DA module output intermediate-freuqncy signal is carried out to power control;
Clock frequency module: for receive path unit, digital signal processing unit, digital signal processing unit provide corresponding incoming frequency source;
Built-in industrial control machine unit: for showing GPS, GLS, B1, B3 satellite-signal and the signal power information of receiving; Communicate by letter with digital signal processing unit by RS232 data-interface in this unit, signal processing unit is the NMEA0183 formatted output data message with agreement by the satellite channel information content, and LCD display module is by aobvious control functions of finishing dealing with such as receiving, resolve, storage also dynamically shows.
Reception antenna module comprises 2 array-element antenna, 2 low noise amplifiers, and 2 array-element antenna are corresponding 2 low noise amplifiers one by one; 2 array-element antenna are respectively: 1 GPS+GLS+B1 antenna plate, 1 BD2-B3 antenna plate, 2 low noise amplifiers are respectively: GNSS low noise amplifier, BD2 low noise amplifier, GNSS low noise amplifier, BD2 low noise amplifier all mainly consist of filter and low noise field-effect amplifier, the connection corresponding to GNSS low noise amplifier of GPS+GLS+B1 antenna plate, the connection corresponding to BD2 low noise amplifier of BD2-B3 antenna plate; Reception antenna module is introduced GNSS satellite-signal and BD2 signal, and the weak satellite navigation signals that reception antenna module receives array-element antenna by low noise amplifier carries out amplifying after filtering, reduces the noise of introducing, finally outputs to receive path unit.
Receive path unit: receive path unit is divided into 4 road receive channels, 4 road receive channels are respectively: 1 road GPS receive channel, 1 road GLS receive channel and 2 road BD2 receive channels, the signal that 1 road GPS receive channel and 1 road GLS receive channel are sent GNSS low noise amplifier here respectively carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires, and the signal that 2 road BD2 receive channels are sent here BD2 low noise amplifier carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires;
Digital signal processing unit: comprise FPGA, the AD module being connected with FPGA, DA module, DSP locating module, RAM, peripheral interface circuit, the intermediate-freuqncy signal of receive path unit output is input to FPGA through AD module, and FPGA carries out through DA module, exporting intermediate-freuqncy signal after fast Acquisition, anti-interference process, modulation treatment to receiving the intermediate-freuqncy signal of channel unit output; Digital signal processing unit is realized the fast Acquisition to navigation signal, and carries out, after anti-interference process, then modulating and forwarding.
Transmitting Channel Elements: transmitting Channel Elements comprises the GPS L1 channel that contains intermediate-freuqncy signal, GLS G1 channel, BD2 B1 channel and BD2 B3 channel, intermediate-freuqncy signal is the intermediate-freuqncy signal of digital signal processing unit output, the corresponding GPS up-converter module of GPS L1 channel, the corresponding GLS up-converter module of GLS G1 channel, the corresponding B1 up-converter module of BD2 B1 channel, the corresponding B3 up-converter module of BD2 B3 channel, GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is carried out upconversion process, signal after frequency-conversion processing carries out the synthetic processing of signal, finally by output after the decay of overdamping device, and GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is subject to the power of the power control module of digital signal processing unit and controls.
Transmitting antenna module: transmitting antenna module comprises 1 GPS+GLS+ B1 antenna plate and 1 BD2-B3 antenna plate; Transmitting antenna module is responsible for forwarding GPS, GLS and BD2 satellite navigation signals.
Clock frequency module: clock frequency module adopts constant-temperature crystal oscillator as 10MHz clock reference input source, through amplification after the processing such as frequency multiplication, the output 10MHz of different capacity and the frequency signal of 60Hz; For digital signal processing unit and receive path unit, transmitting Channel Elements provide different frequency and dissimilar incoming frequency source.
Built-in industrial control machine unit comprises industry control receiver and LCD display module, and industry control receiver is PC104 industry control receiver.
Relay type satellite-signal monitors the method for work of analog machine: comprise relay type satellite-signal and monitor analog machine, relay type satellite-signal monitors that the method for work of analog machine is: after relay type satellite-signal supervision analog machine powers up, first carry out initial work: equipment self-inspection, according to the ephemeris of preserving, almanac to the signal processing channel of GPS, GLS, BD2 carry out relevant parameter preset, carry out satellite acquisition, to realize fast Acquisition and signal, forward;
After initialization completes, equipment enters normal operating conditions, carries out following work:
The forwarding mode of operation of equipment is set according to initial storage data, or serial communication interface receives in real time, the control information for the treatment of facility outside by receiving;
The satellite-signal of reception antenna module output low noise and amplification is to receive path unit, and receive path unit carries out to satellite-signal the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Digital signal processing unit is controlled each signal processing channel and respectively BD2 satellite, gps satellite is carried out to fast Acquisition and tracking, after signal processing channel locking satellite signal, exportable range finding, the parameter that tests the speed, demodulate the navigation message of locking satellite, exports on request lock-out pulse simultaneously;
Meanwhile, after a certain satellite of signal processing channel locking, start immediately this channel start carrier modulation, spread spectrum and forward carrier signal by the clock cycle;
Read measurement data and the demodulation text of digital signal processing unit, according to the station-keeping mode of measurement parameter, satellite message, setting position, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit;
After digital signal processing unit, the carrier signal of each passage is synthesized and complete DA and change, again by arranging with the interface of radio-frequency module, realization is carried out power control to the signal of up-conversion, send to transmitting antenna module, completed like this signal repeating process, in addition, in signals tracking process, after follow the tracks of when digital signal processing unit discovering device a certain or several satellite-signal losing locks, the carrier signal of closing immediately this passage forwards, in order to avoid disturb the effective judgement of some receiver to losing lock.
Relay type satellite-signal monitors the application process of analog machine, comprise relay type satellite-signal and monitor analog machine, also comprise tested satellite signal receiver, relay type satellite-signal monitors that analog machine receives satellite-signal, satellite-signal is carried out to measurement data and demodulation text, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit, complete the output of positioning analysis information, digital signal processing unit forwards satellite-signal, by transmitting antenna module settling signal repeating process, tested satellite signal receiver receives the output signal of transmitting antenna module, tested satellite signal receiver completes the positioning analysis information output to satellite according to self program, the positioning analysis information of more tested satellite signal receiver and relay type satellite-signal monitor the positioning analysis information of analog machine, if comparing difference is excessive, can judge tested satellite signal receiver faults itself, if difference is less, can judge tested satellite signal receiver fault-free.
GPS, GLS, BD2 satellite-signal are gps satellite signal, GLS satellite-signal, and BD2 satellite-signal comprises B1 satellite-signal, B3 satellite-signal, and because B2 satellite-signal is military satellite signal, so the present invention does not relate to B2 satellite-signal.B1 satellite-signal, B3 satellite-signal are Big Dipper satellite signal, and because the frequency of B1 satellite-signal and the frequency of GPS and GLS approach, so gps satellite signal, GLS satellite-signal, B1 satellite-signal are accessed by GPS+GLS+B1 antenna plate.
The technology that the present invention has adopted satellite navigation receiver to combine with signal transmitter, first can realize the reception of satellite-signal, realize signal monitoring and position oneself reference, the satellite-signal of receiving is purified simultaneously, comprise filtering, amplification, AD digitlization (or carrying out anti-interference) processing, despreading, demodulation, location, then to a series of processing such as the digital signal amplification that comprises constellation information, modulation, spread spectrum, DA conversion, power attenuation controls, with quality and the amplitude of assured forwarding signal.
Digital signal processing unit is comprised of signal sampling module, signal processing module, signal forwarding module, peripheral interface circuit and software thereof etc.Signal sampling module is AD module, signal processing module is FPGA, digital signal processing unit also comprises the DSP locating module being connected with FPGA, signal forwarding module is DA module, and digital signal processing unit designs 24 BD2 signal processing channels altogether, 10 gps signal treatment channel, 10 GLONASS signal processing channels, the fast Acquisition of realization to navigation signal, and carry out, after anti-interference process, then modulating and forwarding.
Digital signal processing unit is also responsible for the self check of each main modular of complete machine, communicates by letter in addition by the control between the monitoring software of data-interface (RS232) finishing equipment main frame and outer computer.
The present invention also comprises that power conversion module can adapt to AC 220 ± 10% wide range inputs, utilize AC/DC supply convertor by AC power convert to the required multichannel+5V of different circuit boards and+28V DC power supply, each road output adopts isolation method, better meets EMC Requirements.
Low noise amplifier is the level to-130db by be amplified to-70db of the weak satellite navigation signals of antenna reception, and reduces as far as possible the noise introduced.
In transmitting Channel Elements, in order to keep the versatility of each frequency, will be designed to each frequency separately as a module, the power supply of each module, clock signal are used the same interface with control signal, and its interface is all consistent with structure.
The invention has the advantages that: the technology that satellite navigation receiver combines with signal transmitter, first can realize the reception of satellite-signal, realize signal monitoring and position oneself reference, after the satellite-signal of receiving being purified, forward again simultaneously, and can select the satellite navigation signals integrated mode that sends, realization is to GPS, GLS, B1, in the time of B3 tetra-frequency satellite navigation signals, receive, signal and position monitor, purifying signal forwards, forward signal is selected and power is controlled, and can realize the autonomous calibration of forward signal power, it is the multi-functional powerful that carries out the indoor research and development test of satellite navigation receiver and production test check, one of object of the present invention is that forward signal is purified, before repeater satellite signal by noise eliminating, two of object of the present invention is to allow equipment in forward signal, carry out satellite monitoring, the data reference of current receiving satellite signal and location is provided, and provide the combination of forwarding output mode to select to control.
Accompanying drawing explanation
Fig. 1 is hardware principle block diagram of the present invention.
Embodiment
Embodiment mono-
As shown in Figure 1.
Relay type satellite-signal monitors analog machine, comprises following structure:
Reception antenna module: receive GPS, GLS, BD2 satellite-signal, GPS, GLS, BD2 satellite-signal are carried out to filter amplifying processing, the satellite-signal of output low noise and amplification;
Receive path unit: receive after the satellite-signal of low noise and amplification, carry out the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Receive the intermediate-freuqncy signal of receive path unit output, intermediate-freuqncy signal is carried out to AD conversion, and the signal of AD conversion output is carried out to despreading processing, demodulation process, localization process, lock after a certain satellite-signal, the range finding of output locking satellite, parameter tests the speed, demodulate the navigation message of locking satellite, read measurement data and demodulation text simultaneously, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and press the packet of protocol requirement output NMEA0183 form, through DA module, by the clock cycle, forward output intermediate-freuqncy signal simultaneously,
Transmitting Channel Elements: the intermediate-freuqncy signal that Channel Elements DA module is exported is launched in reception, carries out upconversion process, synthetic processing, decays to export and process when DA module output intermediate-freuqncy signal is carried out to power control;
Clock frequency module: for receive path unit, digital signal processing unit, digital signal processing unit provide corresponding incoming frequency source;
Built-in industrial control machine unit: for showing GPS, GLS, B1, B3 satellite-signal and the signal power information of receiving; Communicate by letter with digital signal processing unit by RS232 data-interface in this unit, signal processing unit is the NMEA0183 formatted output data message with agreement by the satellite channel information content, and LCD display module is by aobvious control functions of finishing dealing with such as receiving, resolve, storage also dynamically shows.
Reception antenna module comprises 2 array-element antenna, 2 low noise amplifiers, and 2 array-element antenna are corresponding 2 low noise amplifiers one by one; 2 array-element antenna are respectively: 1 GPS+GLS+B1 antenna plate, 1 BD2-B3 antenna plate, 2 low noise amplifiers are respectively: GNSS low noise amplifier, BD2 low noise amplifier, GNSS low noise amplifier, BD2 low noise amplifier all mainly consist of filter and low noise field-effect amplifier, the connection corresponding to GNSS low noise amplifier of GPS+GLS+B1 antenna plate, the connection corresponding to BD2 low noise amplifier of BD2-B3 antenna plate; Reception antenna module is introduced GNSS satellite-signal and BD2 signal, and the weak satellite navigation signals that reception antenna module receives array-element antenna by low noise amplifier carries out amplifying after filtering, reduces the noise of introducing, finally outputs to receive path unit.
Receive path unit: receive path unit is divided into 4 road receive channels, 4 road receive channels are respectively: 1 road GPS receive channel, 1 road GLS receive channel and 2 road BD2 receive channels, the signal that 1 road GPS receive channel and 1 road GLS receive channel are sent GNSS low noise amplifier here respectively carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires, and the signal that 2 road BD2 receive channels are sent here BD2 low noise amplifier carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires;
Digital signal processing unit: comprise FPGA, the AD module being connected with FPGA, DA module, DSP locating module, RAM, peripheral interface circuit, the intermediate-freuqncy signal of receive path unit output is input to FPGA through AD module, and FPGA carries out through DA module, exporting intermediate-freuqncy signal after fast Acquisition, anti-interference process, modulation treatment to receiving the intermediate-freuqncy signal of channel unit output; Digital signal processing unit is realized the fast Acquisition to navigation signal, and carries out, after anti-interference process, then modulating and forwarding.
As Fig. 1, reception antenna module connects by the feeder line of the about 50m of length, and the antenna of reception antenna module extends to outdoor.
As Fig. 1, receive path unit: receive path unit is divided into 4 road receive channels, 4 road receive channels are respectively: 1 road GPS receive channel, 1 road GLS receive channel and 2 road BD2 receive channels, the signal that 1 road GPS receive channel and 1 road GLS receive channel are sent GNSS low noise amplifier here respectively carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires, and the signal that 2 road BD2 receive channels are sent here BD2 low noise amplifier carries out frequency conversion, amplification, filtering, output and meets the intermediate-freuqncy signal that signal processing unit requires, specifically, reception antenna module is exported 1 road gps signal, 1 road GLS signal, 1 road B1 signal, 1 road B3 signal, 1 road gps signal carries out down-converted by GPS low-converter, 1 road GLS signal carries out down-converted by GLS low-converter, 1 road B1 signal carries out down-converted by B1 low-converter, 1 road B3 signal carries out down-converted by B3 low-converter, signal after above-mentioned low-converter is processed all amplifies respectively, filtering, output, output to after digital signal processing unit, digital signal processing unit has 4 tunnel AD converter in corresponding diagram 1, signal after above-mentioned No. 4 low-converters are processed carries out AD conversion.
After digital signal processing unit is processed the signal of AD converter.By DA transducer, exported.
DA transducer outputs to transmitting Channel Elements.
Transmitting Channel Elements: transmitting Channel Elements comprises the GPS L1 channel that contains intermediate-freuqncy signal, GLS G1 channel, BD2 B1 channel and BD2 B3 channel, intermediate-freuqncy signal is the intermediate-freuqncy signal of digital signal processing unit output, the corresponding GPS up-converter module of GPS L1 channel, the corresponding GLS up-converter module of GLS G1 channel, the corresponding B1 up-converter module of BD2 B1 channel, the corresponding B3 up-converter module of BD2 B3 channel, GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is carried out upconversion process, signal after frequency-conversion processing carries out the synthetic processing of signal, finally by output after the decay of overdamping device, and GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is subject to the power of the power control module of digital signal processing unit and controls.
Transmitting antenna module: transmitting antenna module comprises 1 GPS+GLS+ B1 antenna plate and 1 BD2-B3 antenna plate; Transmitting antenna module is responsible for forwarding GPS, GLS and BD2 satellite navigation signals.
Clock frequency module: clock frequency module adopts constant-temperature crystal oscillator as 10MHz clock reference input source, through amplification after the processing such as frequency multiplication, the output 10MHz of different capacity and the frequency signal of 60Hz; For digital signal processing unit and receive path unit, transmitting Channel Elements provide different frequency and dissimilar incoming frequency source.
Built-in industrial control machine unit comprises industry control receiver and LCD display module, and industry control receiver is PC104 industry control receiver.
GPS, GLS, BD2 satellite-signal are gps satellite signal, GLS satellite-signal, and BD2 satellite-signal comprises B1 satellite-signal, B3 satellite-signal, and because B2 satellite-signal is military satellite signal, so the present invention does not relate to B2 satellite-signal.B1 satellite-signal, B3 satellite-signal are Big Dipper satellite signal, and because the frequency of B1 satellite-signal and the frequency of GPS and GLS approach, so gps satellite signal, GLS satellite-signal, B1 satellite-signal are accessed by GPS+GLS+B1 antenna plate.
The technology that the present invention has adopted satellite navigation receiver to combine with signal transmitter, first can realize the reception of satellite-signal, realize signal monitoring and position oneself reference, the satellite-signal of receiving is purified simultaneously, comprise filtering, amplification, AD digitlization (or carrying out anti-interference) processing, despreading, demodulation, location, then to a series of processing such as the digital signal amplification that comprises constellation information, modulation, spread spectrum, DA conversion, power attenuation controls, with quality and the amplitude of assured forwarding signal.
Digital signal processing unit is comprised of signal sampling module, signal processing module, signal forwarding module, peripheral interface circuit and software thereof etc.Signal sampling module is AD module, signal processing module is FPGA, digital signal processing unit also comprises the DSP locating module being connected with FPGA, signal forwarding module is DA module, and digital signal processing unit designs 24 BD2 signal processing channels altogether, 10 gps signal treatment channel, 10 GLONASS signal processing channels, the fast Acquisition of realization to navigation signal, and carry out, after anti-interference process, then modulating and forwarding.
Digital signal processing unit is also responsible for the self check of each main modular of complete machine, communicates by letter in addition by the control between the monitoring software of data-interface (RS232) finishing equipment main frame and outer computer.
The present invention also comprises that power conversion module can adapt to AC 220 ± 10% wide range inputs, utilize AC/DC supply convertor by AC power convert to the required multichannel+5V of different circuit boards and+28V DC power supply, each road output adopts isolation method, better meets EMC Requirements.
Low noise amplifier is the level to-130db by be amplified to-70db of the weak satellite navigation signals of antenna reception, and reduces as far as possible the noise introduced.
In transmitting Channel Elements, in order to keep the versatility of each frequency, will be designed to each frequency separately as a module, the power supply of each module, clock signal are used the same interface with control signal, and its interface is all consistent with structure.
embodiment 2
Relay type satellite-signal monitors the method for work of analog machine: comprise relay type satellite-signal and monitor analog machine, relay type satellite-signal monitors that the method for work of analog machine is: after relay type satellite-signal supervision analog machine powers up, first carry out initial work: equipment self-inspection, according to the ephemeris of preserving, almanac to the signal processing channel of GPS, GLS, BD2 carry out relevant parameter preset, carry out satellite acquisition, to realize fast Acquisition and signal, forward;
After initialization completes, equipment enters normal operating conditions, carries out following work:
The forwarding mode of operation of equipment is set according to initial storage data, or serial communication interface receives in real time, the control information for the treatment of facility outside by receiving;
The satellite-signal of reception antenna module output low noise and amplification is to receive path unit, and receive path unit carries out to satellite-signal the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Digital signal processing unit is controlled each signal processing channel and respectively BD2 satellite, gps satellite is carried out to fast Acquisition and tracking, after signal processing channel locking satellite signal, exportable range finding, the parameter that tests the speed, demodulate the navigation message of locking satellite, exports on request lock-out pulse simultaneously;
Meanwhile, after a certain satellite of signal processing channel locking, start immediately this channel start carrier modulation, spread spectrum and forward carrier signal by the clock cycle;
Read measurement data and the demodulation text of digital signal processing unit, according to the station-keeping mode of measurement parameter, satellite message, setting position, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit;
After digital signal processing unit, the carrier signal of each passage is synthesized and complete DA and change, again by arranging with the interface of radio-frequency module, realization is carried out power control to the signal of up-conversion, send to transmitting antenna module, completed like this signal repeating process, in addition, in signals tracking process, after follow the tracks of when digital signal processing unit discovering device a certain or several satellite-signal losing locks, the carrier signal of closing immediately this passage forwards, in order to avoid disturb the effective judgement of some receiver to losing lock.
embodiment 3
Relay type satellite-signal monitors the application process of analog machine, comprise relay type satellite-signal and monitor analog machine, also comprise tested satellite signal receiver, relay type satellite-signal monitors that analog machine receives satellite-signal, satellite-signal is carried out to measurement data and demodulation text, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit, complete the output of positioning analysis information, digital signal processing unit forwards satellite-signal, by transmitting antenna module settling signal repeating process, tested satellite signal receiver receives the output signal of transmitting antenna module, tested satellite signal receiver completes the positioning analysis information output to satellite according to self program, the positioning analysis information of more tested satellite signal receiver and relay type satellite-signal monitor the positioning analysis information of analog machine, if comparing difference is excessive, can judge tested satellite signal receiver faults itself, if difference is less, can judge tested satellite signal receiver fault-free.
As mentioned above, can well realize the present invention.
Claims (10)
1. relay type satellite-signal monitors analog machine, it is characterized in that: comprise following structure:
Reception antenna module: receive GPS, GLS, BD2 satellite-signal, GPS, GLS, BD2 satellite-signal are carried out to filter amplifying processing, the satellite-signal of output low noise and amplification;
Receive path unit: receive after the satellite-signal of low noise and amplification, carry out the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Digital signal processing unit: the intermediate-freuqncy signal that receives the output of receive path unit, intermediate-freuqncy signal is carried out to AD conversion, and the signal of AD conversion output is carried out to despreading processing, demodulation process, localization process, lock after a certain satellite-signal, the range finding of output locking satellite, parameter tests the speed, demodulate the navigation message of locking satellite, read measurement data and demodulation text simultaneously, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and press the packet of protocol requirement output NMEA0183 form, through DA module, by the clock cycle, forward output intermediate-freuqncy signal simultaneously,
Transmitting Channel Elements: the intermediate-freuqncy signal that Channel Elements DA module is exported is launched in reception, carries out upconversion process, synthetic processing, decays to export and process when DA module output intermediate-freuqncy signal is carried out to power control;
Clock frequency module: for receive path unit, digital signal processing unit, digital signal processing unit provide corresponding incoming frequency source;
Built-in industrial control machine unit: for showing GPS, GLS, B1, B3 satellite-signal and the signal power information of receiving; Communicate by letter with digital signal processing unit by RS232 data-interface in this unit, signal processing unit is the NMEA0183 formatted output data message with agreement by the satellite channel information content, and LCD display module is by aobvious control functions of finishing dealing with such as receiving, resolve, storage also dynamically shows.
2. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that:
Reception antenna module comprises 2 array-element antenna, 2 low noise amplifiers, and 2 array-element antenna are corresponding 2 low noise amplifiers one by one; 2 array-element antenna are respectively: 1 GPS+GLS+B1 antenna plate, 1 BD2-B3 antenna plate, 2 low noise amplifiers are respectively: GNSS low noise amplifier, BD2 low noise amplifier, GNSS low noise amplifier, BD2 low noise amplifier all mainly consist of filter and low noise field-effect amplifier, the connection corresponding to GNSS low noise amplifier of GPS+GLS+B1 antenna plate, the connection corresponding to BD2 low noise amplifier of BD2-B3 antenna plate; Reception antenna module is introduced GNSS satellite-signal and BD2 signal, and the weak satellite navigation signals that reception antenna module receives array-element antenna by low noise amplifier carries out amplifying after filtering, reduces the noise of introducing, finally outputs to receive path unit.
3. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: receive path unit: receive path unit is divided into 4 road receive channels, 4 road receive channels are respectively: 1 road GPS receive channel, 1 road GLS receive channel and 2 road BD2 receive channels, the signal that 1 road GPS receive channel and 1 road GLS receive channel are sent GNSS low noise amplifier here respectively carries out frequency conversion, amplify, filtering, output meets the intermediate-freuqncy signal of signal processing unit requirement, the signal that 2 road BD2 receive channels are sent here BD2 low noise amplifier carries out frequency conversion, amplify, filtering, output meets the intermediate-freuqncy signal of signal processing unit requirement.
4. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: digital signal processing unit: comprise FPGA, the AD module being connected with FPGA, DA module, DSP locating module, RAM, peripheral interface circuit, the intermediate-freuqncy signal of receive path unit output is input to FPGA through AD module, and FPGA carries out through DA module, exporting intermediate-freuqncy signal after fast Acquisition, anti-interference process, modulation treatment to receiving the intermediate-freuqncy signal of channel unit output; Digital signal processing unit is realized the fast Acquisition to navigation signal, and carries out, after anti-interference process, then modulating and forwarding.
5. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: transmitting Channel Elements: transmitting Channel Elements comprises the GPS L1 channel that contains intermediate-freuqncy signal, GLS G1 channel, BD2 B1 channel and BD2 B3 channel, intermediate-freuqncy signal is the intermediate-freuqncy signal of digital signal processing unit output, the corresponding GPS up-converter module of GPS L1 channel, the corresponding GLS up-converter module of GLS G1 channel, the corresponding B1 up-converter module of BD2 B1 channel, the corresponding B3 up-converter module of BD2 B3 channel, GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is carried out upconversion process, signal after frequency-conversion processing carries out the synthetic processing of signal, finally by output after the decay of overdamping device, and GPS L1 channel, GLS G1 channel, intermediate-freuqncy signal in BD2 B1 channel and BD2 B3 channel is subject to the power of the power control module of digital signal processing unit and controls.
6. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: transmitting antenna module: transmitting antenna module comprises 1 GPS+GLS+ B1 antenna plate and 1 BD2-B3 antenna plate; Transmitting antenna module is responsible for forwarding GPS, GLS and BD2 satellite navigation signals.
7. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: clock frequency module: clock frequency module adopts constant-temperature crystal oscillator as 10MHz clock reference input source, through amplification after the processing such as frequency multiplication, the output 10MHz of different capacity and the frequency signal of 60Hz; For digital signal processing unit and receive path unit, transmitting Channel Elements provide different frequency and dissimilar incoming frequency source.
8. relay type satellite-signal according to claim 1 monitors analog machine, it is characterized in that: built-in industrial control machine unit comprises industry control receiver and LCD display module, and industry control receiver is PC104 industry control receiver.
9. relay type satellite-signal monitors the method for work of analog machine: comprise any one relay type satellite-signal in claim 1-8 and monitor analog machine, relay type satellite-signal monitors that the method for work of analog machine is: after relay type satellite-signal supervision analog machine powers up, first carry out initial work: equipment self-inspection, according to the ephemeris of preserving, almanac to the signal processing channel of GPS, GLS, BD2 carry out relevant parameter preset, carry out satellite acquisition, to realize fast Acquisition and signal, forward;
After initialization completes, equipment enters normal operating conditions, carries out following work:
The forwarding mode of operation of equipment is set according to initial storage data, or serial communication interface receives in real time, the control information for the treatment of facility outside by receiving;
The satellite-signal of reception antenna module output low noise and amplification is to receive path unit, and receive path unit carries out to satellite-signal the intermediate-freuqncy signal that frequency conversion, amplification, filtering, output meet signal processing unit requirement;
Digital signal processing unit is controlled each signal processing channel and respectively BD2 satellite, gps satellite is carried out to fast Acquisition and tracking, after signal processing channel locking satellite signal, exportable range finding, the parameter that tests the speed, demodulate the navigation message of locking satellite, exports on request lock-out pulse simultaneously;
Meanwhile, after a certain satellite of signal processing channel locking, start immediately this channel start carrier modulation, spread spectrum and forward carrier signal by the clock cycle;
Read measurement data and the demodulation text of digital signal processing unit, according to the station-keeping mode of measurement parameter, satellite message, setting position, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit;
After digital signal processing unit, the carrier signal of each passage is synthesized and complete DA and change, again by arranging with the interface of radio-frequency module, realization is carried out power control to the signal of up-conversion, send to transmitting antenna module, completed like this signal repeating process, in addition, in signals tracking process, after follow the tracks of when digital signal processing unit discovering device a certain or several satellite-signal losing locks, the carrier signal of closing immediately this passage forwards, in order to avoid disturb the effective judgement of some receiver to losing lock.
10. relay type satellite-signal monitors the application process of analog machine, it is characterized in that: comprise any one relay type satellite-signal in claim 1-8 and monitor analog machine, also comprise tested satellite signal receiver, relay type satellite-signal monitors that analog machine receives satellite-signal, satellite-signal is carried out to measurement data and demodulation text, according to measurement parameter, satellite message, the station-keeping mode arranging positions, velocity calculated, and the packet of pressing protocol requirement output NMEA0183 form is to built-in industrial control machine unit, complete the output of positioning analysis information, digital signal processing unit forwards satellite-signal, by transmitting antenna module settling signal repeating process, tested satellite signal receiver receives the output signal of transmitting antenna module, tested satellite signal receiver completes the positioning analysis information output to satellite according to self program, the positioning analysis information of more tested satellite signal receiver and relay type satellite-signal monitor the positioning analysis information of analog machine, if comparing difference is excessive, can judge tested satellite signal receiver faults itself, if difference is less, can judge tested satellite signal receiver fault-free.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407358A (en) * | 2014-12-01 | 2015-03-11 | 长沙海格北斗信息技术有限公司 | Regenerative signal source for second-generation Beidou satellite signal and generating method thereof |
| CN104503259A (en) * | 2014-11-27 | 2015-04-08 | 北京电子工程总体研究所 | Universal programmable aircraft simulator system for launch control system |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006227480A1 (en) * | 2005-03-18 | 2006-09-28 | Raytheon Company | Data handling in a distributed communication network |
| CN201142359Y (en) * | 2007-11-29 | 2008-10-29 | 张建城 | GPS time service active antenna |
| US20080297410A1 (en) * | 2007-06-01 | 2008-12-04 | Chii-Moon Liou | Satellite receiver detachably combined to blue tooth handset |
| CN101424734A (en) * | 2007-10-31 | 2009-05-06 | 中国科学院微电子研究所 | Method for reducing crystal oscillator cost of global positioning system receiver |
| CN101430372A (en) * | 2007-11-07 | 2009-05-13 | 中国科学院微电子研究所 | Low-cost time service and synchronization method and device for global positioning system receiver |
| CN101841341A (en) * | 2009-03-17 | 2010-09-22 | 张建城 | Big dipper multi-mode time service receiving device |
| CN102928855A (en) * | 2012-06-14 | 2013-02-13 | 张建城 | Beidou multimode time service receiving device |
| CN103293535A (en) * | 2013-05-24 | 2013-09-11 | 北京东方计量测试研究所 | Real-time testing system of satellite navigation receiver |
| CN103684633A (en) * | 2013-11-30 | 2014-03-26 | 成都天奥信息科技有限公司 | Monitoring simulator for transponding satellite signals |
| CN203590471U (en) * | 2013-12-05 | 2014-05-07 | 成都天奥信息科技有限公司 | Mainboard used for satellite mobile communication terminal |
-
2014
- 2014-07-23 CN CN201410353758.3A patent/CN104113371A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006227480A1 (en) * | 2005-03-18 | 2006-09-28 | Raytheon Company | Data handling in a distributed communication network |
| US20080297410A1 (en) * | 2007-06-01 | 2008-12-04 | Chii-Moon Liou | Satellite receiver detachably combined to blue tooth handset |
| CN101424734A (en) * | 2007-10-31 | 2009-05-06 | 中国科学院微电子研究所 | Method for reducing crystal oscillator cost of global positioning system receiver |
| CN101430372A (en) * | 2007-11-07 | 2009-05-13 | 中国科学院微电子研究所 | Low-cost time service and synchronization method and device for global positioning system receiver |
| CN201142359Y (en) * | 2007-11-29 | 2008-10-29 | 张建城 | GPS time service active antenna |
| CN101841341A (en) * | 2009-03-17 | 2010-09-22 | 张建城 | Big dipper multi-mode time service receiving device |
| CN102928855A (en) * | 2012-06-14 | 2013-02-13 | 张建城 | Beidou multimode time service receiving device |
| CN103293535A (en) * | 2013-05-24 | 2013-09-11 | 北京东方计量测试研究所 | Real-time testing system of satellite navigation receiver |
| CN103684633A (en) * | 2013-11-30 | 2014-03-26 | 成都天奥信息科技有限公司 | Monitoring simulator for transponding satellite signals |
| CN203590471U (en) * | 2013-12-05 | 2014-05-07 | 成都天奥信息科技有限公司 | Mainboard used for satellite mobile communication terminal |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503259A (en) * | 2014-11-27 | 2015-04-08 | 北京电子工程总体研究所 | Universal programmable aircraft simulator system for launch control system |
| CN104407358A (en) * | 2014-12-01 | 2015-03-11 | 长沙海格北斗信息技术有限公司 | Regenerative signal source for second-generation Beidou satellite signal and generating method thereof |
| CN105259560A (en) * | 2015-09-30 | 2016-01-20 | 彭佳 | Micro big dipper satellite navigation anti-interference array signal processing board card and anti-interference processing method thereof |
| CN105259560B (en) * | 2015-09-30 | 2016-05-04 | 彭佳 | A kind of miniaturization Beidou satellite navigation anti-jamming array column signal is processed board and anti-interference processing method thereof |
| CN106209196B (en) * | 2016-06-30 | 2019-11-12 | 广州海格通信集团股份有限公司 | A kind of phase compensating method and system based on more array element channel selections |
| CN106209196A (en) * | 2016-06-30 | 2016-12-07 | 广州海格通信集团股份有限公司 | A kind of phase compensating method based on many array element Channel assignment and system |
| CN109845138B (en) * | 2016-08-21 | 2021-09-03 | Nsl通讯有限公司 | Method for calibrating and debugging communication satellite by using LEO satellite |
| CN109845138A (en) * | 2016-08-21 | 2019-06-04 | Nsl通讯有限公司 | The method calibrated using LEO satellite and debug telecommunication satellite |
| CN106597447A (en) * | 2016-12-23 | 2017-04-26 | 成都西科微波通讯有限公司 | Airport surface detection radar |
| CN107202998A (en) * | 2017-06-19 | 2017-09-26 | 北京航天长征飞行器研究所 | The real-time satellite signal simulator and analogy method of a kind of power line communication |
| CN107202998B (en) * | 2017-06-19 | 2023-09-29 | 北京航天长征飞行器研究所 | Real-time satellite signal simulator and simulation method for power line communication |
| CN110730016A (en) * | 2019-10-15 | 2020-01-24 | 北京电子工程总体研究所 | Satellite signal retransmission device |
| CN110730016B (en) * | 2019-10-15 | 2021-07-27 | 北京电子工程总体研究所 | Satellite signal retransmission device |
| CN110824981A (en) * | 2019-10-23 | 2020-02-21 | 天津七六四通信导航技术有限公司 | Precise DME distance resolving digital processing unit board and resolving method |
| CN111708051A (en) * | 2020-06-29 | 2020-09-25 | 河南天安润信信息技术有限公司 | Semitransparent forwarding control method for satellite signals |
| CN112087251A (en) * | 2020-07-21 | 2020-12-15 | 中国电子科技集团公司第七研究所 | Ultra-wideband satellite communication carrier monitoring system |
| CN112087251B (en) * | 2020-07-21 | 2022-05-27 | 中国电子科技集团公司第七研究所 | Ultra-wideband satellite communication carrier monitoring system |
| CN113341438A (en) * | 2021-06-02 | 2021-09-03 | 成都天奥信息科技有限公司 | Multi-satellite fault identification method and system based on gross error inverse solution |
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Application publication date: 20141022 |