CN109450576A - A kind of ICBM SHF satellite terminal batch production automated test device - Google Patents
A kind of ICBM SHF satellite terminal batch production automated test device Download PDFInfo
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- CN109450576A CN109450576A CN201811557335.8A CN201811557335A CN109450576A CN 109450576 A CN109450576 A CN 109450576A CN 201811557335 A CN201811557335 A CN 201811557335A CN 109450576 A CN109450576 A CN 109450576A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of ICBM SHF satellite terminal batch and produces automated test device, comprising: test analysis controller, interchanger, signal source board, data processing plate, radio-frequency channel plate and power board, ATCA cabinet, upconverter, low-converter, the first Ka decline admittedly device, the first L frequency range decline admittedly device, the 2nd Ka decline admittedly device, the 2nd L frequency range decline admittedly, waveguide one-to-two device.Test analysis controller, for executing each forward direction test case and being sent to data processing plate；Reception and analysis are carried out for the IP packet that passback use-case is transmitted according to radio-frequency channel plate and calculate each RF index, and carry out criterion and preservation；Radio-frequency channel plate is used to be required according to the passback test case of test analysis controller, carries out down coversion and AD conversion, sampling to the L frequency band signals of passback, and the I of sampling, Q signal data are packaged into IP packet and are sent to test analysis controller.The automatic test in ICBM SHF satellite terminal batch production stage can be achieved in the present invention, improves testing efficiency, guarantees test quality.
Description
Technical field
The invention belongs to automated test device technical fields, are related to a kind of ICBM SHF satellite terminal batch production automated test device.
Background technique
ICBM SHF satellite terminal band support is higher at present, without radio frequency integration testing instrument, so can only survey in batch production stage
Veneer function, electrical property, radio frequency simple indicator are tried, causes the testing efficiency of producing line low, quality cannot effectively guarantee；If
Laboratory test environment is built in producing line, realize difficult and manual test inefficiency.
Summary of the invention
Problems to be solved by the invention are, higher for existing ICBM SHF satellite terminal band support, do not have radio frequency integration tester
Table only can cause batch production stage testing efficiency low in batch production stage with testing single-board function, electrical property, radio frequency simple indicator,
Quality cannot get the problem of effective guarantee.Testing efficiency is produced in order to improve ICBM SHF satellite terminal batch, it is whole that the present invention provides a kind of satellites
End batch production stage automated test device, may be implemented the Board Functional Test, Board Function Test in batch production stage, single board radio index test and
System test etc., while not only whole system can be divided into multiple modular concurrents according to the actual situation and tested, it can also be in list
To realizing that 1 drags more, further increases testing efficiency when test before plate and complete machine.
Technological means for solving project is that the present invention proposes that a kind of ICBM SHF satellite terminal batch produces automated test device, packet
It includes:
Test analysis controller, for executing each forward direction test case and being sent to data processing plate；For returning use-case
Reception and analysis are carried out according to the IP packet of radio-frequency channel plate transmission and calculate each RF index, and carry out criterion and preservation；
Interchanger, for test analysis controller, ICBM SHF satellite terminal, signal source board, data processing plate, radio-frequency channel plate,
The IP address of power board controls and distribution；
Data processing plate, the forward direction test case for being sent according to test analysis controller, to protocol data before generating
Packet is sent to signal source board；
Signal source board generates before L frequency range for forward direction protocol data packet based on the received to data signal under test, power band
The adjustable noise signal of width is sent to L frequency range and declines admittedly；
First L frequency range declines device admittedly, to data signal under test to upconverter before the L frequency range issued for realizing signal source board
Power adaptation；
Upconverter, for being converted into Ka to data signal under test before the L frequency range after power adaptation that the first L frequency range declines admittedly
To data signal under test before frequency range；
First Ka declines device admittedly, for completing before the Ka frequency range that upconverter is converted into data signal under test to ICBM SHF satellite terminal
The power adaptation of radio frequency receiving signal；
Waveguide one-to-two device, connects that the first Ka declines device admittedly and the 2nd Ka declines admittedly for realizing ICBM SHF satellite terminal radio frequency mouth simultaneously
Device；
2nd Ka declines device admittedly, and the Ka frequency band signals for completing ICBM SHF satellite terminal radio-frequency transmissions are suitable to the power of low-converter
Match；
Low-converter is converted into L frequency band signals for the Ka frequency band signals after device power adaptation that the 2nd Ka declines admittedly；
2nd L frequency range declines device admittedly, suitable to the power of radio-frequency channel plate for completing the L frequency band signals that low-converter is converted into
Match；
Radio-frequency channel plate, for being required according to the passback test case of test analysis controller, to the L frequency band signals of passback
Down coversion and AD conversion, sampling are carried out, and the I of sampling, Q signal data are packaged into IP packet and are sent to test analysis controller；
Power board, for handing over the data in test analysis controller, signal source board, data processing plate and radio-frequency channel plate
Mutually.
Further, further include ATAC cabinet as a preferred technical solution of the present invention, for by signal source board,
Data processing plate, radio-frequency channel plate and power board are inserted.
Further, as a preferred technical solution of the present invention, the data processing plate is to test analysis controller
After the forward direction test case of transmission, the modulation system issued according to test analysis controller and frame type carry out BBFrame framing
It is sent to signal source board.
Further, as a preferred technical solution of the present invention, signal source board forward direction agreement based on the received
Character rate in data packet, frequency point, power, rolloff-factor, noise figure generate before to sending after data signal under test.
Further, as a preferred technical solution of the present invention, the radio-frequency channel plate is also used to tested K a frequency range
The gain of forward direction data signal under test and flatness, are mutually made an uproar, P1dB/IMD3 at spuious, noise coefficient.
Further, as a preferred technical solution of the present invention, the test analysis controller is according to radio-frequency channel
The IP packet analytical calculation of plate transmission go out gain that RF index includes: signal and flatness, it is spuious, mutually make an uproar, P1dB/IMD3,
EVM。
Invention effect are as follows:
ICBM SHF satellite terminal of the invention batch produces automated test device, full-automatic test may be implemented, including before baseband board
It is surveyed before returning test, complete machine to test, rf board before to test, baseband board passback test, rf board to test and complete machine passback
Examination.Not only whole system can be divided into multiple modular concurrents according to the actual situation simultaneously to test, it can also be in veneer and complete machine
Realization 1 is dragged more when forward direction is tested, and further increases testing efficiency.The present invention is by the forward direction to batch production stage ICBM SHF satellite terminal and returns
Test is passed, DVB-S2/S2X physical layer protocol uniformity test may be implemented.Also, for realizing the ICBM SHF satellite terminal batch production stage
Automatic test improves testing efficiency, guarantees test quality；The present invention is suitable for the Ka band satellite terminal baseband in batch production stage
The automatic test of plate, rf board and complete machine, it can be achieved that batch production stage ICBM SHF satellite terminal producing line streamlined, automatic test, mention
Height batch produces testing efficiency, reduces testing cost.
Detailed description of the invention
Fig. 1 is that test equipment of the invention totally realizes block diagram；
Fig. 2 is that more test block diagrams are dragged in forward direction test 1 of the invention；
Fig. 3 is before baseband board of the invention to test block diagram；
Fig. 4 is baseband board passback test block diagram of the invention；
Fig. 5 is before rf board and complete machine of the invention to test block diagram；
Fig. 6 is rf board and complete machine passback test block diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention devises a kind of ICBM SHF satellite terminal batch production automated test device, test is specifically included that
Analyzer-controller 1, interchanger 2, signal source board 3, data processing plate 4, radio-frequency channel plate 5 and power board 6, ATCA cabinet 7, upper change
Frequency device 8, low-converter 9, the first Ka decline admittedly device 10, the first L frequency range decline admittedly device 12, the 2nd L frequency range of device 11, the 2nd Ka that decline admittedly decline admittedly
13, waveguide one-to-two device 14.
Wherein, the test analysis controller 1 is the control system and Signal Analysis System of entire test equipment, test
Personnel realize the control to a whole set of test macro by test analysis controller 1.The execution for mainly realizing each test case, is used for
It executes each forward direction test case and is sent to data processing plate 4；The IP packet transmitted according to radio-frequency channel plate 5 for passback use-case into
Row reception and analysis calculate each RF index, and carry out criterion and save test result；The RF index is in terms of power spectrum
Calculating index is basic core algorithm, carries out adaptation according to index demand to the algorithm, guarantees the consistency of test index,
It realizes signal power, frequency deviation, mutually make an uproar, harmonic wave, flatness, EVM, noise coefficient, P1dB/IMD3 scheduling algorithm.
Interchanger 2, for test analysis controller, ICBM SHF satellite terminal, signal source board, data processing plate, radio-frequency channel plate,
The IP address of power board controls and distribution.
Data processing plate 4, the test IP operation that the forward direction test case for being sent according to test analysis controller 1 is formed
Packet is sent before generating to protocol data packet, i.e., the modulation system and frame type issued according to test analysis controller 1 carries out
Signal source board 3 is sent to after BBFrame framing.
Signal source board 3 generates before L frequency range for forward direction protocol data packet based on the received to data signal under test, power
The adjustable noise signal of bandwidth is sent to L frequency range and declines admittedly, i.e., according to test analysis controller 1 send test case and data at
The BBFrame frame that reason plate 4 sends over, the character rate issued according to test analysis controller 1, frequency point, power, roll-offing is
Number, noise figure generate before to sending after data signal under test.
First L frequency range declines device 11 admittedly, can consolidate the device that declines using 20dB, before the L frequency range for issuing signal source board 3 to
Power adaptation of the data signal under test to upconverter 8.
Upconverter 8, for turning before the L frequency range after the adaptation of power device 11 that the first L frequency range declines admittedly to data signal under test
It changes into before Ka frequency range to data signal under test；Realize the L frequency band signals of the sending of signal source board 3 to the conversion of Ka frequency band signals.
First Ka declines device admittedly, can consolidate the device that declines using 40dB, for complete before the Ka frequency range that upconverter is converted into
Power adaptation of the data signal under test to ICBM SHF satellite terminal radio frequency receiving signal.
Waveguide one-to-two device 14, connects that the first Ka declines device admittedly and the 2nd Ka declines admittedly for realizing ICBM SHF satellite terminal radio frequency mouth simultaneously
Device realizes that ICBM SHF satellite terminal radio frequency mouth connects TX and RX signal simultaneously.
2nd Ka declines device 12 admittedly, can consolidate the device that declines using 60dB, for completing the Ka frequency range of ICBM SHF satellite terminal radio-frequency transmissions
Power adaptation of the signal to low-converter 9.
Low-converter 9 is converted into L frequency band signals for the Ka frequency band signals after 12 power adaptation of device that the 2nd Ka declines admittedly,
Realize the Ka frequency band signals of ICBM SHF satellite terminal sending to the conversion of L frequency band signals.
2nd L frequency range declines device 13 admittedly, can consolidate the device that declines using 10dB, the L frequency range being converted into for completing low-converter
Power adaptation of the signal to radio-frequency channel plate.
Radio-frequency channel plate 5 believes the L frequency range of passback for being required according to the passback test case of test analysis controller
Number down coversion and AD conversion, sampling are carried out, and the I of sampling, Q signal data are packaged into IP packet and are sent to test by network interface and are divided
Analyse controller.Be also used to gain from tested K a frequency range to data signal under test and flatness before, spuious, noise coefficient, mutually make an uproar,
P1dB/IMD3。
Power board 6, for in test analysis controller 1, signal source board 3, data processing plate 4 and radio-frequency channel plate 5
Data interaction.
ATCA cabinet 7 is inserted for signal source board 3, data processing plate 4, radio-frequency channel plate 5 and power board 6, is realized
1 control of which of test analysis controller.
In the present embodiment, whole system can be divided into multiple modular concurrents according to the actual situation and tested, it can also be in list
To realizing that 1 drags more tests when test before plate and complete machine, as shown in Fig. 2, further increasing testing efficiency, it can be achieved that batch production stage is defended
The producing line streamlined of star terminal, automatic test improve batch production testing efficiency, reduce testing cost.
The specific testing process of present device is as follows:
Forward link near threshold packet receiving test is substantially carried out to test before ICBM SHF satellite terminal base band veneer.By data processing plate
4 and L frequency range radiofrequency signal of the cooperation output of signal source board 3 based on DVB-S2 and DVB-S2X agreement, ICBM SHF satellite terminal base band veneer connects
It receives data and demodulates, then carry out result statistics, and result is returned into test analysis controller 1 by network interface.Main test letter
Number signal-to-noise ratio, the bit error rate, total packet number, wrong packet number, number of dropped packets, noise coefficient etc..Test analysis controller 1 controls baseband board
It receives, the transmitting of the data of data processing plate 4 generation and signal source board 3, power board 6 is used to realize test analysis controller 1, number
According to processing board 4, the data interaction of signal source board 3, as shown in Figure 3.
The main test return link RF index of ICBM SHF satellite terminal base band veneer passback test, including transmission power and flat
It spends, mutually make an uproar, is EVM, harmonic wave, spuious etc..The radiofrequency signal of ICBM SHF satellite terminal baseband board transmitting is received by radio-frequency channel plate 5, and to it
Every RF index passes to the analysis of test analysis controller 1 after being acquired, calculate each RF index value.Test analysis control
Device 1 processed controls the passback of ICBM SHF satellite terminal base band veneer and the passback of radio-frequency channel plate 5, and power board 6 is used to realize test analysis control
The data interaction of device 1, radio-frequency channel plate 5 processed, as shown in Figure 4.
To the main test forward link radio-frequency index of test before ICBM SHF satellite terminal radio frequency veneer, including it is gain and flatness, miscellaneous
It dissipates, noise coefficient, mutually make an uproar, P1dB/IMD3.It exports and is based on data processing plate 4, signal source board 3 and upconverter 8 etc.
The Ka frequency range radiofrequency signal of DVB-S2 agreement, ICBM SHF satellite terminal rf board receives radiofrequency signal and does further down conversion process, defeated
Intermediate-freuqncy signal out.Main test intermediate-freuqncy signal gain and flatness, are mutually made an uproar, P1dB/IMD3 at spuious, noise coefficient.Test analysis
Controller 1 controls the reception of ICBM SHF satellite terminal radio frequency veneer, the transmitting of data processing plate 4, signal source board 3 and upconverter 8.Exchange
Plate 6 is used to realize the data interaction of test analysis controller 1, data processing plate 4, signal source board 3, as shown in Figure 5.
The main test of ICBM SHF satellite terminal radio frequency veneer passback test backs towards link RF index, including gain and flatness, miscellaneous
It dissipates, mutually make an uproar, P1dB/IMD3, EVM.By the passback part of ICBM SHF satellite terminal base band veneer configuration ICBM SHF satellite terminal radio frequency veneer, so that defending
Star terminal radio frequency veneer can send different types of radiofrequency signal.The radio frequency that radio-frequency channel plate 5 is issued in acquisition satellite go side
Low-converter 9 is first passed through before signal becomes L frequency band signals for Ka frequency signal, is then transferred to collected I, Q signal
Test analysis controller 1 analyzes each RF index value by test software.Test analysis controller 1 controls ICBM SHF satellite terminal radio frequency list
The transmitting of plate and the reception of radio-frequency channel plate 5.Power board 6 is used to realize the data of test analysis controller 1, radio-frequency channel plate 5
Interaction.As shown in Figure 6.
Forward link near threshold packet receiving test is substantially carried out to test before equipment complete machine of the invention.By data processing plate
4, the Ka frequency range radiofrequency signal of signal source board 3 and the cooperation output of up-conversion 8 based on DVB-S2 and DVB-S2X agreement, ICBM SHF satellite terminal
Baseband board receives data and demodulates, and carries out result statistics.Signal-to-noise ratio, the bit error rate, total packet number, the wrong packet of main test signal
Number, number of dropped packets, noise coefficient etc..The reception and data processing board 4, signal source board 3 of the control ICBM SHF satellite terminal of test analysis controller 1
Transmitting.Power board 6 is used to realize the data interaction of test analysis controller 1, data processing plate 4 and signal source board 3.In complete machine
When buzzer is tested, test analysis controller 1 by control forward signal whether there is or not and signal-to-noise ratio variation, to judge that complete machine is
The no control that buzzer is carried out according to reception semaphore lock state and received signal to noise ratio, is tested by judging different sounds
Its function, as shown in Figure 5.
The main test return link RF index of equipment complete machine passback test of the invention, including it is gain and flatness, miscellaneous
It dissipates, mutually make an uproar, P1dB/IMD3, EVM.ICBM SHF satellite terminal complete machine radio frequency veneer with base band veneer sends the radiofrequency signal of Ka frequency range,
Be transformed to L frequency range radiofrequency signal by low-converter 9, radio-frequency channel plate 5 receive radiofrequency signal and acquire I, Q signal is transferred to survey
Analyzer-controller 1 is tried, analysis obtains every RF index, as shown in Figure 6.
To sum up, the present invention by the forward direction to batch production stage ICBM SHF satellite terminal and returns test, and DVB-S2/S2X may be implemented
Physical layer protocol uniformity test.Also, for realizing the automatic test in ICBM SHF satellite terminal batch production stage, testing efficiency is improved,
Guarantee test quality；The present invention is suitable for the automation of Ka band satellite the terminal baseband plate, rf board and complete machine in batch production stage
, it can be achieved that criticizing the producing line streamlined of production stage ICBM SHF satellite terminal, automatic test, raising batch produces testing efficiency, reduces and test for test
Cost.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (6)
1. a kind of ICBM SHF satellite terminal batch produces automated test device characterized by comprising
Test analysis controller, for executing each forward direction test case and being sent to data processing plate；For passback use-case according to
The IP packet of radio-frequency channel plate transmission carries out reception and analysis and calculates each RF index, and carries out criterion and preservation；
Interchanger, for test analysis controller, ICBM SHF satellite terminal, signal source board, data processing plate, radio-frequency channel plate, exchange
The IP address of plate controls and distribution；
Data processing plate, the forward direction test case for being sent according to test analysis controller are sent out before generating to protocol data packet
It send to signal source board；
Signal source board, generating for forward direction protocol data packet based on the received can to data signal under test, power bandwidth before L frequency range
The noise signal of tune is sent to L frequency range and declines admittedly；
First L frequency range declines device admittedly, to data signal under test to the function of upconverter before the L frequency range issued for realizing signal source board
Rate adaptation；
Upconverter, for being converted into Ka frequency to data signal under test before the L frequency range after power device adaptation that the first L frequency range declines admittedly
Duan Qianxiang data signal under test；
First Ka declines device admittedly, for completing before the Ka frequency range that upconverter is converted into data signal under test to ICBM SHF satellite terminal radio frequency
Receive the power adaptation of signal；
Waveguide one-to-two device, connects that the first Ka declines device admittedly and the 2nd Ka declines device admittedly for realizing ICBM SHF satellite terminal radio frequency mouth simultaneously；
2nd Ka declines device admittedly, for completing the Ka frequency band signals of ICBM SHF satellite terminal radio-frequency transmissions to the power adaptation of low-converter；
Low-converter is converted into L frequency band signals for the Ka frequency band signals after device power adaptation that the 2nd Ka declines admittedly；
2nd L frequency range declines device admittedly, the power adaptation for completing L frequency band signals that low-converter is converted into radio-frequency channel plate；
Radio-frequency channel plate carries out the L frequency band signals of passback for being required according to the passback test case of test analysis controller
Down coversion and AD conversion, sampling, and the I of sampling, Q signal data are packaged into IP packet and are sent to test analysis controller；
Power board, for the data interaction in test analysis controller, signal source board, data processing plate and radio-frequency channel plate.
2. ICBM SHF satellite terminal batch produces automated test device according to claim 1, which is characterized in that it further include ATAC cabinet,
For signal source board, data processing plate, radio-frequency channel plate and power board to be inserted.
3. ICBM SHF satellite terminal batch produces automated test device according to claim 1, which is characterized in that the data processing plate pair
The forward direction test case that test analysis controller is sent, the modulation system issued according to test analysis controller and frame type carry out
Signal source board is sent to after BBFrame framing.
4. ICBM SHF satellite terminal batch produces automated test device according to claim 1, which is characterized in that the signal source board according to
To data signal under test before character rate, frequency point, power, rolloff-factor, noise figure generate in received forward direction protocol data packet
After send.
5. ICBM SHF satellite terminal batch produces automated test device according to claim 1, which is characterized in that the radio-frequency channel plate,
It is also used to gain from tested K a frequency range to data signal under test and flatness before, spuious, noise coefficient, mutually makes an uproar, P1dB/IMD3.
6. ICBM SHF satellite terminal batch produces automated test device according to claim 1, which is characterized in that the test analysis control
The IP packet analytical calculation that device is transmitted according to radio-frequency channel plate goes out the gain and flatness, spuious, phase that RF index includes: signal
It makes an uproar, P1dB/IMD3, EVM.
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| CN201811557335.8A CN109450576B (en) | 2018-12-19 | 2018-12-19 | Automatic test equipment for batch production of satellite terminals |
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| CN201811557335.8A CN109450576B (en) | 2018-12-19 | 2018-12-19 | Automatic test equipment for batch production of satellite terminals |
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| CN109450576B CN109450576B (en) | 2021-07-06 |
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| CN109450576B (en) | 2021-07-06 |
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