CN103199947A - Ground test method of communication link between detectors - Google Patents
Ground test method of communication link between detectors Download PDFInfo
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- CN103199947A CN103199947A CN2013101275948A CN201310127594A CN103199947A CN 103199947 A CN103199947 A CN 103199947A CN 2013101275948 A CN2013101275948 A CN 2013101275948A CN 201310127594 A CN201310127594 A CN 201310127594A CN 103199947 A CN103199947 A CN 103199947A
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Abstract
The invention discloses a ground test method of a communication link between detectors. The connection relationships of hardware equipment of the test method are characterized in that: a remote measuring simulation unit TMS of comprehensive base band equipment CORTEX is connected with an ultra high frequency (UHF) up-converter, the UHF up-converter is connected with a UHF receiver of a landing device, an X transmitter of the landing device is connected with an X down-converter, the X down-converter is connected with a remote measuring demodulation unit TMU of the comprehensive base band equipment CORTEX, and digital tube equipment is connected between the UHF receiver of the landing device and the X transmitter of the landing device. The method can verify correctness of data received by a UHF channel of the landing device.
Description
Technical field
The present invention relates to the survey of deep space technical field, relate in particular to communication link ground test method between a kind of detector.
Background technology
No. three deep space probes of the goddess in the moon comprise makes an inspection tour device and lander, in the survey of deep space process, makes an inspection tour device and need send data message to lander; Make an inspection tour the transfer of data between device and the lander, adopted uhf band, make an inspection tour the mode of communicating by letter between device and lander isolator, remote measurement, the number of making an inspection tour device pass data and are sent to lander by the UHF transmitting antenna, transmit the back to ground by lander.Therefore the correctness that need receive data to the UHF passage of lander is verified; But because existing deep space probe is generally single satellite, still do not take to make an inspection tour the form of device and two satellites of lander, so there is not the problem of communicating by letter between device; And the uhf band transfer of data is that China utilizes first between moon surface detector and in the communication, therefore the invention provides communication link ground test method between a kind of detector;
Summary of the invention
The invention provides communication link ground test method between a kind of detector, the correctness that the UHF passage of lander is received data is verified.
The objective of the invention is to be achieved through the following technical solutions:
The concrete steps of this method of testing are:
The device data are maked an inspection tour in the simulation that step 1, synthetical baseband equipment calls store, and simulation is maked an inspection tour the device data and comprised that telemetry and number pass data, does scrambling by the scrambling mode of synthetical baseband equipment and handles, and obtain data after the scrambling;
Step 2 is put into synthetical baseband facility inventory under standby as the source code data data after the scrambling that obtains in the step 1;
Step 3 arranges the bit rate of remote measurement analogue unit in the synthetical baseband equipment, and concurrent remote control command arranges the UHF receiver of lander, makes the UHF receiver of lander identical with remote measurement analogue unit bit rate; The bit rate of telemetry demodulation unit in the synthetical baseband equipment is set, and concurrent remote control command arranges several tube apparatus of lander, makes several tube apparatus of lander identical with remote measurement analogue unit bit rate;
Step 4, the source code data in the remote measurement analogue unit invocation step two under the catalogue are carried out monolateral to moving key position BPSK coded modulation, and the output intermediate-freuqncy signal is given the UHF upconverter;
Step 5, the UHF upconverter converts the intermediate-freuqncy signal of step 4 to radiofrequency signal and sends to the UHF receiver;
Step 6, the UHF receiver receives the radiofrequency signal of UHF upconverter, and the radiofrequency signal demodulation that receives is obtained baseband signal;
Step 7, the number tube apparatus is selected to handle according to the baseband signal that receives:
When 1) data that comprise when baseband signal are telemetry, directly be transmitted to X band transmit machine;
When 2) data that comprise when baseband signal pass data for number, add the RS check code of 128 bytes, making whole frame length is 1024 bytes, and the baseband signal after will encoding then sends to X band transmit machine;
Step 8, the X transmitter is modulated into radiofrequency signal with the baseband signal that receives and issues the X low-converter;
Step 9, X low-converter are issued the telemetry demodulation unit after converting radiofrequency signal to intermediate-freuqncy signal;
Step 10, telemetry demodulation unit are carried out demodulation with the intermediate-freuqncy signal of step 9 and are obtained demodulating data;
Step 11 is compared the demodulating data of step 10 and the analogue data of step 1, if consistent, judges that then communication link is normal between detector; If inconsistent, judge that then communication link is unusual between detector.
The annexation of the hardware device of this method of testing is: the remote measurement analogue unit TMS of synthetical baseband equipment CORTEX is linked to each other with the UHF upconverter, the UHF upconverter links to each other with the UHF receiver of lander, the X transmitter of lander links to each other with the X low-converter, and the X low-converter links to each other with the telemetry demodulation unit TMU of synthetical baseband equipment CORTEX; Be connected with several tube apparatus between the UHF receiver of lander and the X transmitter of lander.
Beneficial effect of the present invention:
1.UHF data are scrambling coded systems, and analogue data is wanted form on the coincidence apparatus, the present invention goes out real uhf band data, the form on the coincidence detector by scrambling coding treatment of simulated;
2.UHF it is 896 bytes that number passes data, and the number biography data of X transmitter are 1024 bytes on the lander, the present invention handles by 896 byte datas, becomes 1024 byte datas that meet X transmitter transformat;
3. by real simulation UHF data, guaranteed the accuracy of this demonstration test;
4. analogue data is passed down ground behind lander, by receiving the comparison of data and the analogue data of transmission, verified the correctness of the UHF passage reception data of lander.
Description of drawings
Fig. 1 is test philosophy figure of the present invention;
Fig. 2 passes the form schematic diagram for number;
Embodiment
In order to understand technical scheme of the present invention better, below in conjunction with drawings and the specific embodiments the present invention is done to describe in further detail.
Communication link ground test method between detector provided by the invention, UHF data by simulation, the correctness that the UHF passage of lander is received data is verified, wherein the uhf band channel of simulation adopts the BPSK modulation, and bit rate covers 200kbps, 400kbps, 800kbps, 1024bps.
In the ground test experiment, at first connect ground installation according to Fig. 1, the remote measurement analogue unit TMS of synthetical baseband equipment CORTEX is linked to each other with the UHF upconverter, the UHF upconverter links to each other with the UHF receiver of lander, the X transmitter of lander links to each other with the X low-converter, and the X low-converter links to each other with the telemetry demodulation unit TMU of synthetical baseband equipment CORTEX; Be connected with several tube apparatus between the UHF receiver of lander and the X transmitter of lander;
The concrete steps of this method of testing are:
The device data are maked an inspection tour in the simulation that step 1, synthetical baseband equipment calls store, and simulation is maked an inspection tour the device data and comprised that telemetry and number pass data, does scrambling by the scrambling mode of synthetical baseband equipment and handles, and obtain data after the scrambling;
Step 2 is put into synthetical baseband facility inventory under standby as the source code data data after the scrambling that obtains in the step 1;
Step 3 arranges the bit rate of remote measurement analogue unit in the synthetical baseband equipment, and concurrent remote control command arranges the UHF receiver of lander, makes the UHF receiver of lander identical with remote measurement analogue unit bit rate; The bit rate of telemetry demodulation unit in the synthetical baseband equipment is set, and concurrent remote control command arranges several tube apparatus of lander, makes several tube apparatus of lander identical with remote measurement analogue unit bit rate;
Step 4, the source code data in the remote measurement analogue unit invocation step two under the catalogue are carried out monolateral to moving key position BPSK coded modulation, and output 70MHz intermediate-freuqncy signal is given the UHF upconverter;
Wherein intermediate-freuqncy signal is carried out power attenuation by attenuator before sending to the UHF upconverter, and described intermediate-freuqncy signal power is-30dBm, through becoming the intermediate-freuqncy signal of power-80dBm behind the attenuator
Step 5, the UHF upconverter converts the 70MHz intermediate-freuqncy signal of step 4 to radiofrequency signal and sends to the UHF receiver;
Step 6, the UHF receiver receives the radiofrequency signal of UHF upconverter, and the radiofrequency signal demodulation that receives is obtained baseband signal;
UHF receiver porch power is-80dBm, and the baseband signal that the UHF receiver obtains demodulation by the LVDS interface is passed to several tube apparatus;
Step 7, the number tube apparatus is selected to handle according to the baseband signal that receives:
When 1) data that comprise when baseband signal are telemetry, directly be transmitted to X band transmit machine;
2) as shown in Figure 2, the data that comprise when baseband signal are when counting the biography data, to add the RS check code of 128 bytes, and making whole frame length is 1024 bytes, and the baseband signal after will encoding then sends to X band transmit machine;
The UHF telemetry is 128 bytes, and the X telemetry of X band transmit machine also is 128 bytes, so do not need to handle; It is 896 bytes that the UHF number passes data, and it is 1024 bytes that the number of X band transmit machine passes data, so need to add the RS check code of 128 bytes;
Step 8, the X transmitter is modulated into radiofrequency signal with the baseband signal that receives and issues the X low-converter;
Step 9, X low-converter are issued the telemetry demodulation unit after converting radiofrequency signal to intermediate-freuqncy signal;
Step 10, telemetry demodulation unit are carried out demodulation with the intermediate-freuqncy signal of step 9 and are obtained demodulating data;
Step 11 is compared the demodulating data of step 10 and the analogue data of step 1, if consistent, judges that then communication link is normal between detector; If inconsistent, judge that then communication link is unusual between detector;
By above-described method UHF receiver code speed is switched to 200kbps, 400kbps, 800kbps, 1024bps, the ground installation upward signal is set to UHF receiver porch power is-80dBm, send the analogue data of corresponding bit rate, length, compare with the analogue data that sends after receiving number biography data in ground.Use real-time mode under 1024bps, 200kbps, 400kbps, 800kbps pattern, and use playback mode under the 800kbps pattern, concrete steps see Table 1.
Table 1UHF data transmission test step
In sum, more than be preferred embodiment of the present invention only, be not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. communication link ground test method between a detector is characterized in that,
The concrete steps of this method of testing are:
The device data are maked an inspection tour in the simulation that step 1, synthetical baseband equipment calls store, and simulation is maked an inspection tour the device data and comprised that telemetry and number pass data, does scrambling by the scrambling mode of synthetical baseband equipment and handles, and obtain data after the scrambling;
Step 2 is put into synthetical baseband facility inventory under standby as the source code data data after the scrambling that obtains in the step 1;
Step 3 arranges the bit rate of remote measurement analogue unit in the synthetical baseband equipment, and concurrent remote control command arranges the UHF receiver of lander, makes the UHF receiver of lander identical with remote measurement analogue unit bit rate; The bit rate of telemetry demodulation unit in the synthetical baseband equipment is set, and concurrent remote control command arranges several tube apparatus of lander, makes several tube apparatus of lander identical with remote measurement analogue unit bit rate;
Step 4, the source code data in the remote measurement analogue unit invocation step two under the catalogue are carried out monolateral to moving key position BPSK coded modulation, and the output intermediate-freuqncy signal is given the UHF upconverter;
Step 5, the UHF upconverter converts the intermediate-freuqncy signal of step 4 to radiofrequency signal and sends to the UHF receiver;
Step 6, the UHF receiver receives the radiofrequency signal of UHF upconverter, and the radiofrequency signal demodulation that receives is obtained baseband signal;
Step 7, the number tube apparatus is selected to handle according to the baseband signal that receives:
When 1) data that comprise when baseband signal are telemetry, directly be transmitted to X band transmit machine;
When 2) data that comprise when baseband signal pass data for number, add the RS check code of 128 bytes, making whole frame length is 1024 bytes, and the baseband signal after will encoding then sends to X band transmit machine;
Step 8, the X transmitter is modulated into radiofrequency signal with the baseband signal that receives and issues the X low-converter;
Step 9, X low-converter are issued the telemetry demodulation unit after converting radiofrequency signal to intermediate-freuqncy signal;
Step 10, telemetry demodulation unit are carried out demodulation with the intermediate-freuqncy signal of step 9 and are obtained demodulating data;
Step 11 is compared the demodulating data of step 10 and the analogue data of step 1, if consistent, judges that then communication link is normal between detector; If inconsistent, judge that then communication link is unusual between detector.
2. communication link ground test method between a kind of detector as claimed in claim 1, it is characterized in that, the annexation of the hardware device of this method of testing is: the remote measurement analogue unit TMS of synthetical baseband equipment CORTEX is linked to each other with the UHF upconverter, the UHF upconverter links to each other with the UHF receiver of lander, the X transmitter of lander links to each other with the X low-converter, and the X low-converter links to each other with the telemetry demodulation unit TMU of synthetical baseband equipment CORTEX; Be connected with several tube apparatus between the UHF receiver of lander and the X transmitter of lander.
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| CN201310127594.8A CN103199947B (en) | 2013-04-12 | 2013-04-12 | Ground test method of communication link between detectors |
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| CN201310127594.8A CN103199947B (en) | 2013-04-12 | 2013-04-12 | Ground test method of communication link between detectors |
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| CN103199947B CN103199947B (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746582A (en) * | 2021-08-19 | 2021-12-03 | 上海卫星工程研究所 | Deep space exploration surrounding device to lander interface test system |
| CN116954161A (en) * | 2023-04-11 | 2023-10-27 | 北京航天飞行控制中心 | Method, system and device for collaborative scheduling of heaven and earth for measuring and controlling data transmission state switching |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102723982A (en) * | 2012-06-26 | 2012-10-10 | 上海卫星工程研究所 | Full-coverage multi-channel multi-frequency band measuring and control system of deep space electric propulsion asteroid spacecraft |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102723982A (en) * | 2012-06-26 | 2012-10-10 | 上海卫星工程研究所 | Full-coverage multi-channel multi-frequency band measuring and control system of deep space electric propulsion asteroid spacecraft |
Non-Patent Citations (1)
| Title |
|---|
| 蒋瑞，韩兵: "嫦娥三号着陆控制研究与软件仿真", 《微型电脑应用》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746582A (en) * | 2021-08-19 | 2021-12-03 | 上海卫星工程研究所 | Deep space exploration surrounding device to lander interface test system |
| CN113746582B (en) * | 2021-08-19 | 2023-12-12 | 上海卫星工程研究所 | Deep space exploration circulator-lander interface test system |
| CN116954161A (en) * | 2023-04-11 | 2023-10-27 | 北京航天飞行控制中心 | Method, system and device for collaborative scheduling of heaven and earth for measuring and controlling data transmission state switching |
| CN116954161B (en) * | 2023-04-11 | 2024-01-26 | 北京航天飞行控制中心 | Method, system and device for collaborative scheduling of heaven and earth for measuring and controlling data transmission state switching |
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