CN205453694U - Emergent command system of satellite communication based on image transmission - Google Patents
Emergent command system of satellite communication based on image transmission Download PDFInfo
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- CN205453694U CN205453694U CN201521010149.4U CN201521010149U CN205453694U CN 205453694 U CN205453694 U CN 205453694U CN 201521010149 U CN201521010149 U CN 201521010149U CN 205453694 U CN205453694 U CN 205453694U
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Abstract
The utility model discloses an emergent command system of satellite communication based on image transmission divide into the ground command junction center, emergency satellite communication car and portable satellite communication station. This system synthesis stellate, netted communication function, wired or individual soldier's mode of information accessible that information collection system will gather and, emergency satellite communication car interconnection, the rethread satellite links to each other with the ground command junction center, under the condition of the unable normal work of satellite communication system, also accessible individual soldier wireless access carries out real -time image acquisition, and direct commander's dispatch is realized to emergency satellite communication car and portable satellite communication station to the ground command junction center. The information of emergency satellite communication car is fallen to the ground the back through satellite link and is inserted the emergent platform of higher level through current E -Government net, mainly adopts the emergent platform interconnection of IP agreement and higher level in the application layer.
Description
Technical field
This utility model relates to a kind of satellite communication emergency commading system, has satellite communication, image transmitting and the function of prevention and control commander, belongs to technical field of satellite communication.
Background technology
At present, the demand of government, industry and civilian emergency communication improves constantly, emergency communication technology based on satellite communication is also evolving, but current existing technology there is problems in that image transmitting is of low quality, remote area cannot cover, transmit that data are single, can not quickly communicate the instructions of the higher level.This utility model can make up the deficiency of above technology, on the basis of by modern high technologies such as abundant applied satellite communication, image procossing, transmission technology and computers, build a flood control emergency communication system with advanced technology, stable performance, reliable in quality, nimble practicality.
Utility model content
Utility model purpose: for problems of the prior art, this utility model provide a kind of realize real-time, lossless image transmission, combine starlike, the satellite communication emergency commading system of mesh communication function.
Technical scheme: a kind of satellite communication emergency commading system based on image transmitting, including ground command center station, emergency satellite communication car and portable satellite communications station.Starlike, the mesh communication function of this system synthesis, emergency satellite communication car is interconnected with information acquisition system by wired or individual soldier's mode, and the information collected is transferred to emergency satellite communication car by information acquisition system；Information acquisition system is connected with ground command center station by satellite, the information collected is transferred to ground command center and stands；In the case of emergency satellite communication car cannot normally work, also individual soldier's wireless access can be passed through, carry out real-time image acquisition, interconnected by satellite link between ground command center station and emergency satellite communication car and portable satellite communications station, can realize emergent satellite communications vehicle and the command scheduling at portable satellite communications station.The information of emergency satellite communication car is accessed higher level by existing e-government Intranet after being landed by satellite link and meets an urgent need platform, mainly uses IP agreement and higher level to meet an urgent need platform interconnection in application layer.
Wherein: emergency satellite communication car includes antenna for satellite communication in motion, video matrix, video conference terminal, the mechanical, electrical phone of satellite communication, multi-layer switches, VOIP processing module, JoMobileNet mobile unit and JoMobileNet single-soldier backpack type remote equipment.The image of vehicle-mounted vidicon picked-up and sound input to video matrix and process (high definition part is switched by cut bank), it is input to video conference terminal again and carries out digital compression coding, the signal of coding output is sent to satellite communication machine together by multi-layer switches, after power amplifier amplifies, antenna for satellite communication in motion it is sent to ground command center station in real time.Satellite communication machine accesses LAN and satellite link in car by multi-layer switches, sets up communication link with ground command center station, makes various video/audio transmitted in both directions in satellite communication system.
Telephone set is connected with LAN in car by VOIP processing module (also referred to as VOIP equipment), it is achieved the real-time voice stood with ground command center is connected.
In the case of emergency satellite communication car cannot normally work, also can be accessed by wireless individual, carried a JoMobileNet single-soldier backpack type remote equipment by staff and complete the random wireless image monitoring specifying position, can complete the random wireless image monitoring specifying position at any time, ground command center station is equipped with 1 set JoMobileNet central station equipment, it is achieved to the covering specifying region；Emergency satellite communication car is equipped with 1 JoMobileNet mobile unit, completes the transmission to JoMobileNet central station of unidirectional image, double-directional speech and data；Staff is equipped with 1 JoMobileNet single-soldier backpack type remote equipment, complete image scene, the transmission of voice signal to emergency satellite communication car, and the JoMobileNet mobile unit being equipped with by emergency satellite communication car, image scene, voice signal are back to JoMobileNet central station.
Ground command center's station system comprises ground satellite antenna, route exchange device, VOIP processing equipment, DVB-S2 manipulator, ODU(include power amplifier and low noise amplification converter), video conference terminal, JoMobileNet central station equipment, computer, telephone set etc.；In ground command center stands, ground satellite antenna includes power amplifier and low noise amplification converter by coaxial cable with low noise ODU() it is connected, ODU(includes power amplifier and low noise amplification converter) it is connected with DVB-S2 manipulator by coaxial cable, video conference terminal, JoMobileNet central station equipment, computer, phone (through VOIP processing equipment) are all connected with switch by netting twine.When receiving video/audio signal, downward signal of satellite is amplified and frequency conversion by ODU after ground satellite antenna receives, and translates the signals into as 950-1450MHz.Then deliver to DVB-S2 manipulator by radio-frequency cable, be then transferred to computer monitor equipment through route exchange device.
The image of emergency satellite communication car, conference audio video data are required for being converted to analogue signal by satellite communication transmission to ground command center station, are then passed through accessing higher level by electronic government affair network after codec carries out secondary coding-decoding and meet an urgent need platform.Data: the video/audio signal of emergency satellite communication car is met an urgent need platform by the conversion of switch and e-government Intranet access higher level after satellite link is transferred to ground command center station.Speech: the phone data of emergency satellite communication car is converted to E1 signal by the voice gateways that satellite communication and ground command center stand, then by public phone network, accesses higher level and meets an urgent need platform.
Voice communication network topological structure is star-like, i.e. all phone informations of emergency satellite communication car are all transferred to ground private network or public network by ground command center's station gateway and telephone exchange, the route exchange device that communication between emergency satellite communication car and ground command center station is then stood by ground command center carries out call treatment and is routed through router and forwards, and telephone exchange stays out of the Route Selection between satellite station and speech information forwards.The route switching that the mapping between telephone number and IP address in satellite network, call route selecting etc. are stood by ground command center completes.
Portable satellite communications station includes 1.2 meters of Ku frequency range portable antennas, up-conversion power amplifier, low-noise amplifier, modem, computer, multi-layer switches, portable antenna receives the signal from emergency satellite communication car, amplify and frequency conversion through up-conversion power amplifier and low-noise amplifier, then it is demodulated by modem, shows through routeing to slow down and be transferred to computer.The backup stood as ground command center in portable satellite communications station, at earth station antenna because rain declines when fully can not meet job requirement, portable satellite communications station can be by increasing antenna aperture, the anti-rain of increase system declines ability, and can quickly reach the spot, individually complete the function of Satellite Networking communication.
Can quickly reach the spot, individually complete the function of Satellite Networking communication.
This utility model uses technique scheme, has the advantages that
1, solve to be located in remote monitoring station and the transmission of public network covering power deficiency regional information, do not limited by geographical environment.
2, transmission information that can be real-time, quick, stable, communicates the instructions of the higher level in time.
3, the problem solving the single communication service of low speed data, it is possible to meet integrated service demand, adapt to the situation that work is new.
Accompanying drawing explanation
Fig. 1 is building-block of logic of the present utility model.
Fig. 2 is of the present utility model to be embodied as system topological figure.
Detailed description of the invention
Below in conjunction with specific embodiment, it is further elucidated with this utility model, it should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model, after having read this utility model, those skilled in the art all fall within the application claims limited range to the amendment of the various equivalent form of values of the present utility model.
Satellite communication emergency commading system based on image transmitting, be a kind of realize the transmission of real-time, lossless image, combine starlike, the satellite communication emergency commading system of mesh communication function.As it is shown in figure 1, satellite communication emergency commading system based on image transmitting includes that ground command center stands, emergency satellite communication car and portable satellite communications station.Starlike, the mesh communication function of this system synthesis, emergency satellite communication car is interconnected with information acquisition system by wired or individual soldier's mode, and the information collected is transferred to emergency satellite communication car by information acquisition system；Information acquisition system is connected with ground command center station by satellite, the information collected is transferred to ground command center and stands；In the case of emergency satellite communication car cannot normally work, also individual soldier's wireless access can be passed through, carry out real-time image acquisition, interconnected by satellite link between ground command center station and emergency satellite communication car and portable satellite communications station, can realize emergent satellite communications vehicle and the command scheduling at portable satellite communications station.
As in figure 2 it is shown, emergency satellite communication car includes antenna for satellite communication in motion, video matrix, video conference terminal, the mechanical, electrical phone of satellite communication, multi-layer switches, VOIP processing module, JoMobileNet mobile unit and JoMobileNet single-soldier backpack type remote equipment.
1) image and the sound of vehicle-mounted vidicon picked-up inputs to video matrix and processes (high definition part is switched by cut bank), it is input to video conference terminal again and carries out digital compression coding, the signal of coding output is sent to satellite communication machine together by multi-layer switches, after power amplifier amplifies, antenna for satellite communication in motion it is sent to ground command center station in real time.Satellite communication machine accesses LAN and satellite link in car by multi-layer switches, sets up communication link with ground command center station, makes various video/audio transmitted in both directions in satellite communication system.
2) voip gateway function, it is connected in IP network by the RJ45 interface of the equipment such as phone, computer, video conference terminal, utilize the VOIP processing module that equipment is built-in, it is achieved wired such as exchange of speech net, wireless device such as satellite communication, mutual call communication between Digital Clustering and IP network；
3) wireless network that ground command center station is built by JoMobileNet equipment realizes and far-end satellite communication commanding vehicle, and individual soldier bears the multi-medium data transmission of remote station, it is achieved the real-time control and command in system coverage area；
Telephone set is connected with LAN in car by VOIP processing module (also referred to as VOIP equipment), it is achieved the real-time voice stood with ground command center is connected.
In the case of emergency satellite communication car cannot normally work, also can be accessed by wireless individual, a JoMobileNet single-soldier backpack type remote equipment is carried by staff, can complete the random wireless image monitoring specifying position at any time, ground command center station is equipped with 1 set JoMobileNet central station equipment, it is achieved to the covering specifying region；Emergency satellite communication car is equipped with 1 JoMobileNet mobile unit, completes the transmission to JoMobileNet central station of unidirectional image, double-directional speech and data；Staff is equipped with 1 JoMobileNet single-soldier backpack type remote equipment, complete image scene, the transmission of voice signal to emergency satellite communication car, and the JoMobileNet mobile unit being equipped with by emergency satellite communication car, image scene, voice signal are back to JoMobileNet central station.
Ground command center's station system comprises ground satellite antenna, route exchange device, VOIP processing equipment, DVB-S2 manipulator, ODU(include power amplifier and low noise amplification converter), video conference terminal, JoMobileNet central station equipment, computer, telephone set etc.；In ground command center stands, ground satellite antenna includes power amplifier and low noise amplification converter by coaxial cable with low noise ODU() it is connected, ODU(includes power amplifier and low noise amplification converter) it is connected with DVB-S2 manipulator by coaxial cable, video conference terminal, JoMobileNet central station equipment, computer, phone (through VOIP processing equipment) are all connected with switch by netting twine.When receiving video/audio signal, downward signal of satellite is amplified and frequency conversion by ODU after ground satellite antenna receives, and translates the signals into as 950-1450MHz.Then deliver to DVB-S2 manipulator by radio-frequency cable, be then transferred to computer monitor equipment through route exchange device.
The image of emergency satellite communication car, conference audio video data are required for being converted to analogue signal by satellite communication transmission to ground command center station, are then passed through accessing higher level by electronic government affair network after codec carries out secondary coding-decoding and meet an urgent need platform.Data: the video/audio signal of emergency satellite communication car, after satellite link is transferred to ground command center station, accesses higher level by the conversion of switch and e-government Intranet and meets an urgent need platform.Speech: the phone data of emergency satellite communication car is converted to E1 signal by the voice gateways that satellite communication and ground command center stand, then by public phone network, accesses higher level and meets an urgent need platform.
Voice communication network topological structure is star-like, i.e. all phone informations of emergency satellite communication car are all transferred to ground private network or public network by ground command center's station gateway and telephone exchange, the route exchange device that communication between emergency satellite communication car and ground command center station is then stood by ground command center carries out call treatment and is routed through router and forwards, and telephone exchange stays out of the Route Selection between satellite station and speech information forwards.The route switching that the mapping between telephone number and IP address in satellite network, call route selecting etc. are stood by ground command center completes.
Portable satellite communications station includes 1.2 meters of Ku frequency range portable antennas, up-conversion power amplifier, low-noise amplifier, modem, computer multi-layer switches, can quickly reach the spot, and individually completes the function of Satellite Networking communication.Portable antenna receives the signal from emergency satellite communication car, amplifies and frequency conversion through up-conversion power amplifier and low-noise amplifier, is then demodulated by modem, shows through routeing to slow down and be transferred to computer.The backup stood as ground command center in portable satellite communications station, at earth station antenna because rain declines when fully can not meet job requirement, portable satellite communications station can be by increasing antenna aperture, the anti-rain of increase system declines ability, and can quickly reach the spot, individually complete the function of Satellite Networking communication.
Satellite communication emergency commading system rents the band transponder resource of No. 6 C-bands of KU wave band and Asia-Pacific of Asia 5 signal communication satellite 27MHz, Asia 5 satellite repeater is 52.1 to the descending power EIRP of designated area, quality factor G/T are 5.5, and saturation flux density SFD is-90.5.Use radial network communicates, system availability (said system availability factor Han space link availability and earth station equipment availability etc.) more than 99.5% between ground command center station and emergency satellite communication car.Satellite network guard system uses newly-built U.S.'s iDirectDVB-S2 system, supports high order modulation, has higher handling capacity, possess adaptive coding and modulation, improve the availability in the rainy day.
It is MAV808 video/audio matrix that image scene is sent to model by the camera lens collection that model is Magnolia20S4C video camera+UtronPH16x8RG, this video/audio matrix has multichannel computer video (RCA), audio signal inputs, multichannel computer video (RCA), and Audio Matrix exports.Selecting high-performance processor, video uses 150M bandwidth, it is ensured that signal long-distance transmission is undistorted.Clear image is stable, video, and audio sync switches.High definition part is that to select the signal of output be that ViewPoint9039 conference terminal carries out digital compression coding through model by model, first signal is carried out MPEG4 coding, the data flow network equipment of the IP form of output is sent into modem and is modulated, modem uses the EVOLUTIONX5 satellite modem of iDirect company, modulation demodulation system is QPSK or BPSK(optional QPSK, 8PSK), data rate is from 2.4Kbps～2.048Mbps, with 1bps stepping, bandwidth: 1.2K-20000Kbps, frequency range: 950-1900MHZ.During modulation, L frequency range (950～1950MHz) output modulated by data circulation ovennodulation demodulator after compressed encoding, satellite channel is had to be sent to ground command center station after power amplification, vehicle-mounted satellite antenna uses the vehicle-mounted SOTM satellite antenna of TracStarIMVG450M of import, pass through GPS, gyro system, the systems such as accelerometer set up carrier dynamic coordinate system, measure the various changes of carrier in real time, satellite longitude (latitude is constant is 0 °) further according to user's input calculates the angle of pitch of antenna, azimuth, polarizing angle, the angle calculated is arrived by driven by servomotor antenna, signal is made to reach maximum by the carrier wave on satellite or beacon accurate adjustment all angles again.
Ground command center station is equipped with 1 set JoMobileNet central station equipment, it is achieved to the covering specifying region；Emergency communication vehicle is equipped with 1 JoMobileNet mobile unit, completes the transmission to JoMobileNet central station of unidirectional image, double-directional speech and data；It is equipped with 1 JoMobileNet single-soldier backpack type remote station, complete image scene, the transmission of voice signal to emergency satellite communication car, and the JoMobileNet System relays being equipped with by communication command vehicle, image scene, voice signal are back to JoMobileNet central station；
Main configuration:
Backpack transmitting power of equipment 1-4W
Bear the whiplike omnidirectional antenna of receiving terminal antenna: 5.5dBi or fiberglass omnidirectional antenna
Bear the whiplike omnidirectional antenna of transmitting terminal antenna: 5.5dBi
Carrying frequency/power regulating knob, 16 grades adjustable；
The image scene that carry-on DV is clapped can be sent to communication command vehicle by single-soldier backpack type remote station in real time, and communication command vehicle can carry out real-time radio picture control to individual soldier's remote station scene.
The double-directional speech call between communication command vehicle and individual soldier can be realized.
JoMobileNet central station main equipment: launch power 2-4W, 10dBi fiberglass omnidirectional antenna.
JoMobileNet vehicle mounted far-end station: launch the whiplike omnidirectional antenna of power 20W, 5.5dBi.
When receiving video/audio signal in radial network ground command center, 4.5 meters of ring-focus paraboloid antenna of Ku frequency range are that SSPB-2100KS30 power amplifier is connected by coaxial cable and model, in order to have enough signal to noise ratios for surplus, power amplifier uses 80W power amplifier, the effect of low noise amplification is that the small-signal from satellite is carried out low noise amplification, frequency conversion, it is transformed to 950-1450MHz, low noise amplification converter uses model to be 1507HBFPLLLNB, high accuracy LNB of the band phaselocked loop selected, local oscillator degree of stability is at ± 5KHz, effectively avoid that frequency shift (FS) causes seeks star and communication issue.Then delivering to satellite modem by radio-frequency cable, satellite modem uses the EVOLUTIONX3EDGE modem of the iDirect company of customization, is then transferred to monitoring device through the network switch.
Portable satellite communications station uses and manually seeks star mode, be equipped with is SAP120M-C1.2 rice Ku wave band portable antenna, up-conversion power amplification uses SSPB-2100KS30W power amplifier, modem uses the EVOLUTIONX5 satellite modem of iDirect company, route switching uses MSR20-10W multiservice router, have employed N-Bus multibus design, voice, data, exchange, safety four big business, respectively via different buses, can individually complete Satellite Networking communication.
Claims (3)
1. a satellite communication emergency commading system based on image transmitting, it is characterised in that: include ground command center station, emergency satellite communication car and portable satellite communications station；Described emergency satellite communication car is interconnected with information acquisition system by wired or individual soldier's mode, and the information collected is transferred to emergency satellite communication car by information acquisition system；Information acquisition system is connected with ground command center station by satellite, the information collected is transferred to ground command center and stands；In the case of emergency satellite communication car cannot normally work, gathering information by individual soldier's mode, emergency satellite communication car is communicated with ground command center station by satellite link；
The image of emergency satellite communication car, meeting audio, video data pass through satellite communication transmission and are converted to analogue signal to ground command center station, are met an urgent need platform by electronic government affair network access higher level after the codec secondary coding-decoding at ground command center station；
Wherein: emergency satellite communication car includes antenna for satellite communication in motion, video matrix, video conference terminal, the mechanical, electrical phone of satellite communication, multi-layer switches, VOIP processing module, vehicle-mounted vidicon, JoMobileNet mobile unit and JoMobileNet single-soldier backpack type remote equipment；The image of vehicle-mounted vidicon picked-up and sound input to video matrix and process, it is input to video conference terminal again and carries out digital compression coding, the signal of coding output is sent to satellite communication machine together by multi-layer switches, after power amplifier amplifies, antenna for satellite communication in motion it is sent to ground command center station in real time；Satellite communication machine accesses LAN and satellite link in car by multi-layer switches, sets up communication link with ground command center station, makes various video/audio transmitted in both directions in satellite communication system；
Telephone set is connected with LAN in car by VOIP processing module；
In the case of emergency satellite communication car cannot normally work, information gathering is realized by individual soldier's mode, i.e. being carried a JoMobileNet single-soldier backpack type remote equipment by staff and complete the random wireless image monitoring specifying position, ground command center station is equipped with 1 set JoMobileNet central station equipment；Emergency satellite communication car is equipped with 1 JoMobileNet mobile unit, completes the transmission to JoMobileNet central station of unidirectional image, double-directional speech and data；Staff is equipped with 1 JoMobileNet single-soldier backpack type remote equipment, complete image scene, the transmission of voice signal to emergency satellite communication car, and the JoMobileNet mobile unit being equipped with by emergency satellite communication car, image scene, voice signal are back to JoMobileNet central station.
2. satellite communication emergency commading system based on image transmitting as claimed in claim 1, it is characterised in that: ground command center station comprises ground satellite antenna, route exchange device, VOIP processing equipment, DVB-S2 manipulator, ODU, video conference terminal, JoMobileNet central station equipment, computer and telephone set；In radial network ground command center stands, ground satellite antenna is connected with low noise ODU by coaxial cable, ODU is connected with DVB-S2 manipulator by coaxial cable, and DVB-S2 manipulator, JoMobileNet central station equipment, computer, phone are all connected with switch by netting twine；When receiving video/audio signal, downward signal of satellite is amplified and frequency conversion by ODU after ground satellite antenna receives, and translates the signals into as 950-1450MHz；Then deliver to DVB-S2 manipulator by radio-frequency cable, be then transferred to computer through route exchange device.
3. satellite communication emergency commading system based on image transmitting as claimed in claim 1, it is characterised in that: portable satellite communications station includes 1.2 meters of Ku frequency range portable antennas, up-conversion power amplifier, low-noise amplifier, modem, computer, multi-layer switches；Portable antenna receives the signal from emergency satellite communication car, amplifies and frequency conversion through up-conversion power amplifier and low-noise amplifier, is then demodulated by modem, shows by slowing down and be transferred to computer through path switching mechanism；The backup stood as ground command center in portable satellite communications station.
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| CN201521010149.4U CN205453694U (en) | 2015-12-08 | 2015-12-08 | Emergent command system of satellite communication based on image transmission |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391080A (en) * | 2018-05-09 | 2018-08-10 | 河北神舟卫星通信股份有限公司 | Lead to the HD video conference system of satellite network in a kind of use |
| CN110191455A (en) * | 2019-05-30 | 2019-08-30 | 国家电网有限公司 | Emergency communication system, portable station, vehicle-mounted station |
| CN110536102A (en) * | 2019-10-12 | 2019-12-03 | 甘肃省测绘工程院 | A kind of emergency command network system |
| CN111405378A (en) * | 2019-01-02 | 2020-07-10 | 胡晓平 | Satellite communication video narrow-band communication system |
| CN114143915A (en) * | 2021-10-20 | 2022-03-04 | 深圳航天智慧城市系统技术研究院有限公司 | Sky-sea integrated communication system based on broadband satellite and implementation method |
| CN114710773A (en) * | 2022-03-22 | 2022-07-05 | 中交星宇科技有限公司 | Emergency cooperative command system |
| CN116667914A (en) * | 2023-07-31 | 2023-08-29 | 中国卫通集团股份有限公司 | Emergency information service system and method based on satellite-borne unmanned aerial vehicle and high-flux satellite |
-
2015
- 2015-12-08 CN CN201521010149.4U patent/CN205453694U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391080A (en) * | 2018-05-09 | 2018-08-10 | 河北神舟卫星通信股份有限公司 | Lead to the HD video conference system of satellite network in a kind of use |
| CN111405378A (en) * | 2019-01-02 | 2020-07-10 | 胡晓平 | Satellite communication video narrow-band communication system |
| CN110191455A (en) * | 2019-05-30 | 2019-08-30 | 国家电网有限公司 | Emergency communication system, portable station, vehicle-mounted station |
| CN110536102A (en) * | 2019-10-12 | 2019-12-03 | 甘肃省测绘工程院 | A kind of emergency command network system |
| CN114143915A (en) * | 2021-10-20 | 2022-03-04 | 深圳航天智慧城市系统技术研究院有限公司 | Sky-sea integrated communication system based on broadband satellite and implementation method |
| CN114710773A (en) * | 2022-03-22 | 2022-07-05 | 中交星宇科技有限公司 | Emergency cooperative command system |
| CN116667914A (en) * | 2023-07-31 | 2023-08-29 | 中国卫通集团股份有限公司 | Emergency information service system and method based on satellite-borne unmanned aerial vehicle and high-flux satellite |
| CN116667914B (en) * | 2023-07-31 | 2023-10-13 | 中国卫通集团股份有限公司 | Emergency information service system and method based on satellite-borne unmanned aerial vehicle and high-flux satellite |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20181208 |