CN103873831B - A kind of telecommunication satellite video monitor test system - Google Patents
A kind of telecommunication satellite video monitor test system Download PDFInfo
- Publication number
- CN103873831B CN103873831B CN201410106232.5A CN201410106232A CN103873831B CN 103873831 B CN103873831 B CN 103873831B CN 201410106232 A CN201410106232 A CN 201410106232A CN 103873831 B CN103873831 B CN 103873831B
- Authority
- CN
- China
- Prior art keywords
- test
- main frame
- frame
- data
- router
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of telecommunication satellite video monitor test system, provide the telecommunication satellite video monitor test system of a kind of high-efficient automatic, including low-converter, receive demodulator, deciphering machine, regard main frame, router, test main frame, radio-frequency cable, immediate frequency cable and netting twine soon, system under test (SUT) is connected with low-converter by radio-frequency cable, and low-converter is connected with receiving demodulator by immediate frequency cable；Test main frame is connected with low-converter by router and netting twine；Image transmitting frame is sent to deciphering machine by netting twine by router, and intermediate state is tested data by network cable transmission to testing main frame, the image transmitting frame of encryption is decrypted by deciphering machine, finally to fast, image transmitting frame after deciphering is regarded main frame by netting twine and router transmission；Test main frame completes receiving demodulator, deciphering machine and the fast control regarding main frame and state reading；Use the present invention can have stronger test automation ability and preferable versatility with the integrated test of completion system.
Description
Technical field
The present invention relates to the video monitor test equipment of a kind of high-efficient automatic, be particularly suited for telecommunication satellite
The video monitoring system in field.
Background technology
Along with the development of communication satellite effective load technology, super large caliber antenna has had been applied in logical
Letter satellite fields, under space environment, the expansion of large aperture antenna must be enough accurate in this requirement, and traditional
Remote measurement observational method pass down due to telemetry that speed is slow, poor intuition and large aperture antenna cannot be ensured
Launch smoothly.
Relative to ground video monitoring system, satellite video monitors the feature with ultra-distance communication, because of
And need special channel coding method, the entitled rail of such as Chinese patent CN201120550984.2
Road traffic locomotive road conditions video monitor monitor, uses imaging device, video capture circuit, DSP figure
As stabilized treatment circuit, video switch circuit, Video compression circuit, PLD circuit,
Flush bonding processor circuit, network interface circuit and hard-disc storage interface circuit, but this system does not possesses
Chnnel coding and rf modulations are suitable for the ability of telecommunication, are not the most also suitable for satellite video prison
Depending on integrated test.
The entitled airplane cockpit video system of Chinese patent CN201210052144.2, this system bag
Including photomoduel, described photomoduel is positioned on aircraft；Video-frequency monitor, described video-frequency monitor is used for
Receive the signal from described photomoduel；And video processing module, described video processing module is used for
Electronic corrective signal so that show the image of correction on described video-frequency monitor to the pilot of aircraft.
This system has the ability of ultra-wide angle visual field and telecommunication, but does not possess the combination of many visual fields with variable
Rate modulation demodulation ability, also cannot be carried out the integrated test that satellite video monitors.
The entitled a kind of portable video signal-testing apparatus of Chinese patent CN201210342447.8, should
Invention proposes a kind of portable video signal-testing apparatus, and this equipment is by testing module and upper structure
Become.Video signal inputs the test module of this equipment by video interface, and test module is through balance-non-flat
After weighing apparatus conversion, carry out AD sampling according to interface type, obtain video data, will by portable interface
Data return host computer after returning host computer or record ripple storage in real time again, and video data is shown by host computer
Show and test analysis and man-machine interaction；Video data is reduced to regard after carrying out Video coding or system conversion
Frequently signal, output to external supervision and display device.The test equipment of this invention can be to including that simulation is multiple
The extensive video signal of splitting or integrating amount video and digital video is tested, and has real-time testing and returns with record ripple
Put test both of which, portable design, it is adaptable to various video equipment including Set Top Box and
The field testing application of video communication network, does not possess the ability of satellite video monitoring system test.
As can be seen here, all to fail to possess completely self-adapting changeable rate demodulation, ultra-wide angle many for above patent
Visual field combined surveillance, remote channel decoding and the ability of satellite automated integration testing, need new
Solution solves this difficult problem.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, it is provided that a kind of telecommunication satellite regards
Frequency monitors test system, improves speed and the automatization of system, the collection of telecommunication satellite video information transmission
One-tenthization degree.
The technical solution of the present invention is: a kind of telecommunication satellite video monitor test system, including: under
Converter, receive demodulator, deciphering machine, soon regard main frame, router, test main frame, radio-frequency cable,
Immediate frequency cable and netting twine；
Tested multicamera system is connected with low-converter by radio-frequency cable, and low-converter is defeated to system under test (SUT)
The radiofrequency signal gone out carries out down-converted, obtains 70MHz intermediate-freuqncy signal, and this intermediate-freuqncy signal is led to
Cross immediate frequency cable deliver to receive demodulator process, obtain image transmitting frame and intermediate state test data；
Test main frame is connected with low-converter by router and netting twine, completes the control to low-converter and state
Read；Described image transmitting frame is the image transmitting frame of encryption；
Receive demodulator the image transmitting frame obtained after IF signal processing and intermediate state test data to be led to
Crossing netting twine and be sent to router, image transmitting frame is sent in deciphering machine, and general by router by netting twine
Between state test data by network cable transmission to test main frame show, deciphering machine will encrypt image transmitting
Frame is decrypted, and finally to fast, image transmitting frame after deciphering is regarded main frame by netting twine and router transmission
Process；Test main frame is by router and netting twine and reception demodulator, deciphering machine and regards main frame soon even
Connect, complete receiving demodulator, deciphering machine and the fast control regarding main frame and state reading；
Sent to testing main frame by router and netting twine depending on test data in main frame soon, by test main frame control
Make each equipment and complete test.
Described immediate frequency cable is by low-converter and receives demodulator connection, and 70MHz intermediate-freuqncy signal is sent
Process to receiving demodulator, particularly as follows: receive the intermediate-frequency filter within demodulator to 70MHz
Intermediate-freuqncy signal is filtered, more filtered intermediate-freuqncy signal is AD converted as digital baseband signal,
Enter to receive and process inside the FPGA of demodulator: first digital baseband signal is carried out by FPGA
QPSK or BPSK variable bit rate demodulates, and the data after then demodulating variable bit rate carry out LDPC
Or Veterbi decoding, finally the data after decoding are carried out frame synchronization, descrambles, deinterleave and RS translates
Code, in error rate test task, imports the source data file of satellite launch, and Bing Jiang mono-road RS decodes
After data and source data carry out error code comparison and statistics, draw the bit error rate, after being decoded by another road RS
Data be converted into image transmitting frame by network data；Meanwhile, descrambling is conciliate and is handed over by FPGA
Intermediate state test data after knitting are acquired, and are converted in network transmits by network data
Between state test data.
Described by the image transmitting frame after deciphering by netting twine and router transmission at soon depending on main frame
Reason, method particularly includes: boot up self-inspection depending on main frame soon, if fail self-test, then point out warning, and refer to
Show mistake, if self-inspection success, then open sub-line journey: first send telecommand depending on main frame soon, make on star
Equipment is in state to be measured, the image transmitting frame after the deciphering received is carried out high information source and translates than information source
Code, and the shooting image/video of real-time display multiway camera, the image after decoding is passed by the fastest main frame that regards
Defeated frame resolves, and obtains the resolution of now image transmitting frame, shooting Radix Rumicis dimension and sunlight intensity
Information, the scene then photographed multichannel camera in system under test (SUT) carries out 3-D view matching, finally,
Multichannel camera image transmission frame is stored.
Described completed final test by the test each equipment of host computer control, particularly as follows: test main frame configuration is each
The state of equipment and test assignment, and start to perform test assignment, during test assignment performs, survey
Examination main frame display test intermediate data, test result and test image, and automatically generate with word form
Test report.
The present invention compared with prior art provides the benefit that:
(1) present invention uses variable bit rate demodulation techniques, can be to the spatial environments of different intensity of sunshines
Under, the video image of different transmission rates carries out self-adaptive recovery, to strengthen different space monitoring scenes
Real-time monitoring capacity.The application in video monitor test system of this technology is unique, and
Under telecommunication satellite monitors the application scenarios that antenna launches, there is splendid using value；
(2) multi-channel video and picture signal can be acquired simultaneously and recover by the present invention, can be complete
The test of ultra-wide angle many visual fields compounding power in pairs, to increase the visual field of video monitoring in space environment.Should
Multiple ultra-wide angle cameras can be observed a moving object simultaneously and provide a kind of means of testing, tool by technology
There is higher using value；
(3) present invention utilizes route switching, tests data transmission to testing master in the middle of in each equipment
Machine, test host software complete initially to connect configuration, the configuration of test equipment, test assignment configure,
Test assignment performs and test result exports, thus the integrated test of completion system, therefore the present invention is relatively
Other video monitors test system has higher test automation and versatility.
Accompanying drawing explanation
Fig. 1 is present system structure chart；
Fig. 2 is that the present invention tests host software FB(flow block)；
Fig. 3 is that the present invention receives demodulator signal processing flow block diagram；
Fig. 4 is that the present invention regards host software flow scheme design block diagram soon.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the detailed description of the invention of the present invention is further elaborated.
Be illustrated in figure 1 video monitor of the present invention test system equipment connect block diagram, as shown in Figure 1,
In the present invention propose system include: low-converter, receive demodulator, deciphering machine, soon regard main frame, road
By device, test main frame, radio-frequency cable, immediate frequency cable and netting twine；
Wherein " network interface " of test main frame " network interface 1 " by netting twine connection route device, router
" network interface 2 ", " network interface 3 ", " network interface 4 ", " network interface 5 " connect lower change by netting twine respectively
Frequently device " network interface ", receive demodulator " network interface ", deciphering machine " network interface " and soon regarding main frame " network interface ".
System under test (SUT), i.e. multicamera system are connected with low-converter by radio-frequency cable, and low-converter is to quilt
The radiofrequency signal of examining system output carries out down-converted, obtains 70MHz intermediate-freuqncy signal, and by this
Frequently signal is delivered to receive demodulator by immediate frequency cable and is processed, and obtains image transmitting frame and intermediate state and surveys
Examination data；Test main frame is connected with low-converter by router and netting twine, completes the control to low-converter
System and state read；Described image transmitting frame is the image transmitting frame of encryption；
Receive demodulator the image transmitting frame obtained after IF signal processing and intermediate state test data to be led to
Crossing netting twine and be sent to router, image transmitting frame is sent in deciphering machine, and general by router by netting twine
Between state test data by network cable transmission to test main frame show, deciphering machine will encrypt image transmitting
Frame is decrypted, and finally to fast, image transmitting frame after deciphering is regarded main frame by netting twine and router transmission
Process；Test main frame is by router and netting twine and reception demodulator, deciphering machine and regards main frame soon even
Connect, complete receiving demodulator, deciphering machine and the fast control regarding main frame and state reading；
Sent to testing main frame by router and netting twine depending on test data in main frame soon, by test main frame control
Make each equipment and complete test.
After system of being tested by video monitor has connected according to Fig. 1, successively to each device power-on, in test
Main frame is opened test software configure.First software arrangements and handling process as in figure 2 it is shown, carry out
Initially connect configuration, including arrange low-converter IP address, arrange reception demodulator IP address,
Arranging deciphering machine IP address, arrange and fast regard host IP address, after being provided with, test main frame can be according to
The IP address set and each equipment communication, if communication abnormality, it indicates that connection error, need again
Configure each IP address, if communication is normal, then enter test equipment configuration interface.
In the low-converter at this interface is arranged, set gradually low-converter incoming frequency, this option foundation
Depending on the frequency of system under test (SUT), arranging low-converter pad value, this option is according to receiving demodulator input work
Depending on rate scope, low-converter radiofrequency signal output switch state is set, if needing after being provided with to start
Test, then arranging this state is "ON".In reception demodulator is arranged, demodulator mid frequency is set,
Owing to low-converter output intermediate frequency is usually 70MHz, mid frequency should be set to 70MHz the most herein,
Arranging demodulation mode, the range of choice is QPSK and BPSK, herein depending on foundation satellite modulation system,
Arranging decoded mode, the range of choice is LDPC and Veterbi decoding, and both decoded modes belong to
Remote channel decoding mode, herein according to depending on satellite channel coded system.In deciphering machine is arranged,
Needing importing secret key file, deciphering machine is decrypted computing according to this document, arranges key run switch state,
Depending on whether this option foundation is decrypted computing.In arranging depending on main frame soon, startup is set with fast regarding soft
It is mutual that part carries out intermediate data, and this setting starts the fast intermediate state data regarded between main frame and test main frame
Mutual, it is mutual that startup test result data is set, then start fast regarding between main frame and test main frame
Test result data is mutual.
After equipment has configured, entering test assignment configuration interface, alternative bit error rate that is configured with is surveyed
Examination, transfer rate test, intensity of sunshine test, the test of image exposure rate, image frame losing are added up and regard more
Field matching test content, depending on this configuration is according to concrete test assignment.After having configured, software can be automatically
Detection configuration is the most correct, if configuration error, it indicates that configuration error, if configuration is correct, then start to hold
Row test assignment.
In the process of implementation, the parameter of all above setting is all packaged into equipment and performs order, by net
Line and router are distributed to each equipment and automatically configure.According to the configuration of test software, low-converter pair
The radiofrequency signal of polyphaser system under test (SUT) output down-converts to 70MHz intermediate-freuqncy signal, passes through immediate frequency cable
Deliver to this 70MHz intermediate-freuqncy signal receive demodulator.Receive demodulator internal signal handling process such as figure
Shown in 3, first 70MHz intermediate-freuqncy signal is filtered by intermediate-frequency filter, eliminates band stray or humorous
Ripple, then it is AD converted as digital baseband signal, process hence into FPGA inside, due to
Digital information entrained by this digital baseband signal is variable bit rate information, and FPGA is first to digital baseband
Signal carries out QPSK or BPSK variable bit rate demodulation (demodulation mode is generated) by testing main frame configuration, logical
Cross this and process the available rate of information throughput, and the intermediate state data after being encapsulated as demodulation, the most right
Data after demodulation carry out LDPC or Veterbi decoding (decoded mode is generated) by software arrangements, finally
To decoding after data carry out frame synchronization, descramble, deinterleaves and RS decode.In error rate test task
In, the source data file of satellite launch need to be imported, the data after Bing Jiang mono-road RS decoding are entered with source data
Row error code comparison and statistics, thus draw the bit error rate.Additionally, the data after being decoded by another road RS are led to
Crossing network data and be converted into image transmitting frame, this picture frame contains the data of multichannel camera；Meanwhile,
Intermediate state test data after descrambling and deinterleaving are acquired by FPGA, and are changed by network data
Become the intermediate state test data for network transmission.As shown in fig. 1, this image transmitting frame and intermediate state
Test data are sent to router network interface by udp protocol, and this image transmitting frame is passed through by router
Udp protocol is sent to deciphering machine, and intermediate state test data are then transmitted to testing master by ICP/IP protocol
Machine carries out showing and analyzing, and the image transmitting frame of encryption is decrypted computing by deciphering machine, finally will deciphering
After view data by network interface udp protocol transmit to router.
View data after deciphering is regarded main frame by udp protocol transmission to fast by router.Such as Fig. 4 institute
Being shown as fast and regard host software operational process, first equipment boot up self-inspection, and this process is substantially carried out setting
For from ring path self-inspection, if fail self-test, then point out warning, and indicate mistake, if self-inspection success, then
Open sub-line journey.First send telecommand, allow on-board equipment be in state to be measured, and it is distant to observe satellite
Survey data, now use the source coding technique of high compression ratio due to satellite, soon need to be to receiving depending on main frame
Deciphering after view data carry out high information source than source decoding, and the shooting image of real-time display multiway camera
Video, meanwhile image/video is resolved by software, thus draws intensity of sunshine now, image
Exposure rate information, the scene then photographed multichannel camera carries out 3-D view matching, thus visually
Depicting now three-dimensional effect image, finally, multichannel camera image video is stored by software, in order to
Playback and later image video modification operate.If the failure of above tasks carrying, point out warning, and terminate surveying
Examination flow process, if running succeeded, then prompting Mission Success performs, and can carry out test assignment next time.
Transmitted to router as it is shown in figure 1, regard all test data in main frame soon by ICP/IP protocol,
And be forwarded to test main frame by router.As in figure 2 it is shown, test host software is in test result interface
Integrated display test intermediate data, test result and test image, and automatically generate survey with word form
Examination report.
Whole test process has only to state and the test starting to configure each equipment in test host software
Task, and start to perform task, pilot process need not artificially participate in, and test result is automatically displayed in survey
In test result interface, and generate test report.
The present invention is not disclosed technology and belongs to general knowledge as well known to those skilled in the art.
Claims (4)
1. telecommunication satellite video monitor test system, it is characterised in that including: low-converter, connect
Receive demodulator, deciphering machine, soon regard main frame, router, test main frame, radio-frequency cable, immediate frequency cable and
Netting twine；
Tested multicamera system is connected with low-converter by radio-frequency cable, and low-converter is defeated to system under test (SUT)
The radiofrequency signal gone out carries out down-converted, obtains 70MHz intermediate-freuqncy signal, and this intermediate-freuqncy signal is led to
Cross immediate frequency cable deliver to receive demodulator process, obtain image transmitting frame and intermediate state test data；
Test main frame is connected with low-converter by router and netting twine, completes the control to low-converter and state
Read；Described image transmitting frame is the image transmitting frame of encryption；
Receive demodulator the image transmitting frame obtained after IF signal processing and intermediate state test data to be led to
Crossing netting twine and be sent to router, image transmitting frame is sent in deciphering machine, and general by router by netting twine
Between state test data by network cable transmission to test main frame show；Deciphering machine is by the image transmitting of encryption
Frame is decrypted, and finally to fast, image transmitting frame after deciphering is regarded main frame by netting twine and router transmission
Process；Test main frame is by router and netting twine and reception demodulator, deciphering machine and regards main frame soon even
Connect, complete receiving demodulator, deciphering machine and the fast control regarding main frame and state reading；
Sent to testing main frame by router and netting twine depending on test data in main frame soon, by test main frame control
Make each equipment and complete test.
A kind of telecommunication satellite video monitor test system the most according to claim 1, its feature exists
In: described immediate frequency cable is by low-converter and receives demodulator connection, and 70MHz intermediate-freuqncy signal is sent
Process to receiving demodulator, particularly as follows: receive the intermediate-frequency filter within demodulator to 70MHz
Intermediate-freuqncy signal is filtered, more filtered intermediate-freuqncy signal is AD converted as digital baseband signal,
Enter to receive and process inside the FPGA of demodulator: first digital baseband signal is carried out by FPGA
QPSK or BPSK variable bit rate demodulates, and the data after then demodulating variable bit rate carry out LDPC
Or Veterbi decoding, finally the data after decoding are carried out frame synchronization, descrambles, deinterleave and RS translates
Code, in error rate test task, imports the source data file of satellite launch, and Bing Jiang mono-road RS decodes
After data and source data carry out error code comparison and statistics, draw the bit error rate, after being decoded by another road RS
Data be converted into image transmitting frame by network data；Meanwhile, descrambling is conciliate and is handed over by FPGA
Intermediate state test data after knitting are acquired, and are converted in network transmits by network data
Between state test data.
A kind of telecommunication satellite video monitor test system the most according to claim 1, its feature exists
In: described by the image transmitting frame after deciphering by netting twine and router transmission at soon depending on main frame
Reason, method particularly includes: boot up self-inspection depending on main frame soon, if fail self-test, then point out warning, and refer to
Show mistake, if self-inspection success, then open sub-line journey: first send telecommand depending on main frame soon, make on star
Equipment is in state to be measured, the image transmitting frame after the deciphering received is carried out high information source and translates than information source
Code, and the shooting image/video of real-time display multiway camera, the image after decoding is passed by the fastest main frame that regards
Defeated frame resolves, and obtains intensity of sunshine and the image exposure rate information of now image transmitting frame, the most right
The scene that in system under test (SUT), multichannel camera photographs carries out 3-D view matching, finally, to multichannel camera figure
As transmission frame stores.
A kind of telecommunication satellite video monitor test system the most according to claim 1, its feature exists
In: described completed final test by the test each equipment of host computer control, particularly as follows: test main frame configuration is each
The state of equipment and test assignment, and start to perform test assignment, during test assignment performs, survey
Examination main frame display test intermediate data, test result and test image, and automatically generate with word form
Test report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106232.5A CN103873831B (en) | 2014-03-20 | 2014-03-20 | A kind of telecommunication satellite video monitor test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106232.5A CN103873831B (en) | 2014-03-20 | 2014-03-20 | A kind of telecommunication satellite video monitor test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103873831A CN103873831A (en) | 2014-06-18 |
| CN103873831B true CN103873831B (en) | 2017-01-04 |
Family
ID=50911912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410106232.5A Active CN103873831B (en) | 2014-03-20 | 2014-03-20 | A kind of telecommunication satellite video monitor test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103873831B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744265A (en) * | 2016-02-18 | 2016-07-06 | 江西洪都航空工业集团有限责任公司 | Portable test equipment for image transmitting device |
| CN107168282A (en) * | 2017-05-19 | 2017-09-15 | 上海卫星工程研究所 | Utility Satellite observing and controlling test system and method |
| CN108490460A (en) * | 2018-02-28 | 2018-09-04 | 上海交通大学 | Automated testing method based on satellite navigation intermediate frequency data library |
| CN109286640B (en) * | 2018-12-14 | 2021-06-04 | 北京工业大学 | Communication method for self-adaptive adjustment based on satellite network state |
| CN111181658B (en) * | 2019-12-26 | 2022-09-16 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Communication test system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279428A (en) * | 2000-07-28 | 2001-01-10 | 中国科学院上海冶金研究所 | Method for detecting instantaneous failure and software differential mode failure in satellite test |
| EP1713438B1 (en) * | 2004-01-26 | 2008-07-02 | Zander Corporation Ltd. | Medicinal soap |
| CN101498937A (en) * | 2009-03-04 | 2009-08-05 | 中国科学院长春光学精密机械与物理研究所 | Emulation test method for active thermal-control circuit of aerospace optical remote sensor |
| CN101706573A (en) * | 2009-07-06 | 2010-05-12 | 中国科学院长春光学精密机械与物理研究所 | Integration simulation test method of space optical remote sensor |
| CN201557116U (en) * | 2009-11-30 | 2010-08-18 | 航天东方红卫星有限公司 | Testing equipment integrated system for satellite data transmission subsystem |
| CN105659936B (en) * | 2010-12-30 | 2013-11-27 | 北京空间飞行器总体设计部 | A kind of be applicable to aeronautical satellite tracking-telemetry and command subsystem automatization test system |
-
2014
- 2014-03-20 CN CN201410106232.5A patent/CN103873831B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279428A (en) * | 2000-07-28 | 2001-01-10 | 中国科学院上海冶金研究所 | Method for detecting instantaneous failure and software differential mode failure in satellite test |
| EP1713438B1 (en) * | 2004-01-26 | 2008-07-02 | Zander Corporation Ltd. | Medicinal soap |
| CN101498937A (en) * | 2009-03-04 | 2009-08-05 | 中国科学院长春光学精密机械与物理研究所 | Emulation test method for active thermal-control circuit of aerospace optical remote sensor |
| CN101706573A (en) * | 2009-07-06 | 2010-05-12 | 中国科学院长春光学精密机械与物理研究所 | Integration simulation test method of space optical remote sensor |
| CN201557116U (en) * | 2009-11-30 | 2010-08-18 | 航天东方红卫星有限公司 | Testing equipment integrated system for satellite data transmission subsystem |
| CN105659936B (en) * | 2010-12-30 | 2013-11-27 | 北京空间飞行器总体设计部 | A kind of be applicable to aeronautical satellite tracking-telemetry and command subsystem automatization test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103873831A (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103873831B (en) | A kind of telecommunication satellite video monitor test system | |
| US11709202B2 (en) | Interfaces for wireless debugging | |
| CN101834989B (en) | Real-time data acquisition and storage system of helicopter in electric inspection process | |
| CN104331035A (en) | Mini-satellite test remote measurement and remote control monitoring system based on service-oriented architecture and method thereof | |
| CN101783969A (en) | Comprehensive monitoring device of signal quality of digital television | |
| CN107453800A (en) | The satellite TT＆C system equivalent device and its method of testing of Parameter adjustable | |
| EP3328052B1 (en) | Camera and integrated circuit board | |
| CN108701419B (en) | Unmanned aerial vehicle control method and control equipment, unmanned aerial vehicle supervision method and supervision equipment | |
| Haluza et al. | Analysis and decoding of radio signals for remote control of drones | |
| CN113890977A (en) | Airborne video processing device and unmanned aerial vehicle with same | |
| CN103941710B (en) | Digitlization grouting automatic recorder | |
| CN108282631A (en) | Integrated space camera automatization test system | |
| CN106406793B (en) | The identity configuration method and system and IP address distribution method and system of Node station | |
| CN108668106B (en) | Camera status acquisition methods, video camera and camera chain | |
| CN103067654B (en) | A kind of video camera with radio detection and spectrum display function | |
| CN101365113B (en) | Portable examination room omni-directional monitoring apparatus | |
| CN104378548A (en) | Space multi-spectrum-section imager video circuit system | |
| CN110827969B (en) | Equipment and method for remotely debugging PET-CT system | |
| US11281611B2 (en) | General purpose interface bus (GPIB) sniffer system and method | |
| WO2019144872A1 (en) | Compositing video signals and stripping composite video signal | |
| CN105071974B (en) | The method and command terminal of command terminal command and management based on RDSS | |
| CN111008663B (en) | Radio signal visual monitoring, positioning and identifying system and method | |
| CN109319168A (en) | A kind of flight test method for monitoring state based on public cloud | |
| CN107800470A (en) | The up remote control modulation real time monitoring signals system and method for satellite comprehensive testing | |
| KR20140146429A (en) | CCTV image aquisition and management system and method using smart devices |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |