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satellite ground stations (41) 41
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Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2011, Volume 7923
Since February 2008 coherent laser communication links are operational in-orbit. Transmitting data at a rate... 
Optical satellite-ground links | Optical communication | Homodyne BPSK modulation | Optical inter-satellite links | Lasers | Coherence | Transmission | Relay systems | Links | Terminals | Laser communications | Constellations | Marketing
Conference Proceeding
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2010, Volume 7587
Today, coherent optical inter-satellite links are operational in LEO-LEO constellations for more than two years... 
Optical communication | Optical satellite-to-ground links | Homodyne BPSK modulation | Optical inter-satellite links | Permissible error | Coherence | Links | Laser communications | Ground stations | Constellations | Optimization
Conference Proceeding
Optics communications, ISSN 0030-4018, 11/2017, Volume 402, pp. 585 - 592
Acquisition and recognition for the beacon is the core technology of establishing the satellite optical link... 
Optical communications | Image processing | Atmospheric turbulence | Acquisition | Optics | Physical Sciences | Science & Technology | Turbulence | Lasers | Analysis
Journal Article
Zhōngguó jīguāng, ISSN 0258-7025, 2014, Volume 41, Issue 6, pp. 0605008 - 0605006
For the first satellite-ground laser communication links of China, beam pointing deviations are existed due to the coordinate system pointing errors of terminal adjustment and installation... 
Optical communications | Deviation correction | Coordinate transformation | Satellite-ground laser communication | Beam pointing deviation | Acquisitions | Beams (radiation) | Links | Terminals | Laser communications | Deviation | Ground stations | Marketing
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2009, Volume 7480
Mobile Optical Free-Space Communication (MFSO) downlinks from observation platforms in low earth orbit or in the atmosphere will allow nearly undetectable high-speed data links with small and low-power laser communication terminals... 
Optical satellite-ground links | UAV data downlink | Laser communication terminal | Atmospheric optical propagation | Optical free space links | Earth-observation data link | Free-space optical high speed link | Data links | Networks | Low earth orbits | Aeronautics | High speed | Links | Sensors | Terminals | Security
Conference Proceeding
2017 IEEE 9th International Conference on Communication Software and Networks (ICCSN), 05/2017, Volume 2017-, pp. 619 - 623
.... Choosing Kunming and Wuhan as locations of the optical ground stations, the atmospheric aerosol effects on satellite-ground optical communication links, including attenuation and background scattering, are analyzed... 
space-ground link | Scattering | sky radiance | Aerosols | Telescopes | Attenuation | Optical fiber communication | optical communication | Laser beams | Sun | aerosols
Conference Proceeding
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2010, Volume 7587
.... In the period, the satellite-ground laser communications campaign with the four optical ground stations of DLR, ESA, JPL and NICT are conducted from April 2009 to September 2009... 
OICETS | Optical ground station | Satellite-ground laser communications | Launches | Links | Satellites | Laser communications | Ground stations | Weather conditions
Conference Proceeding
Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, ISSN 1007-2276, 08/2010, Volume 39, Issue 4, pp. 655 - 659
Journal Article
Guangxué xuébào, ISSN 0253-2239, 12/2008, Volume 28, Issue 2, pp. 134 - 138
Journal Article
Zhongguo kong jian ke xue ji shu, ISSN 1000-758X, 10/2015, Volume 35, Issue 5, pp. 77 - 84
The satellite-ground integrated communication network usually has the characteristics of wide coverage and large amount of data transmission... 
Component placement | Space engineering | Satellite-ground network | Optical switching | Network optimization | Distributed | Data center | Backbone | Networks | Data centers | Data transmission | Architecture (computers) | Logic | Communication networks | Optimization
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 09/2017, Volume 10401
...An acquisition technology of optical ground station in satellite-ground QKD Dong He 1, 2, 3 , Yong-Mei Huang 1, 2 , Qiang Wang 1, 2 , Bo Qi 1, 2 , Wan-Sheng... 
Quantum key distribution (QKD) | Micius satellite | optical ground station | system error modifying | ATP | quantum communication | acquisition time
Conference Proceeding
Jiguang Jishu / Laser Technology, ISSN 1001-3806, 05/2012, Volume 36, Issue 3, pp. 346 - 348
In order to analyze the impact of tracking error on the satellite-ground optical communication link, the received optical signal was collected with the LabVIEW... 
Receiving | Tracking | Simulation | Lasers | Optical communication | Grounds | Links | Tracking errors
Journal Article
81st ARFTG Microwave Measurement Conference, 06/2013, pp. 1 - 3
Vector Network Analysis can be applied to equipment where the input and output ports are spatially disparate and not easily connected to conventional network... 
Optical fibers | Antenna measurements | Measurement | Optical fiber cables | Receivers | Measurement techniques | Satellite ground stations | Calibration | Distortion measurement | Optical transmitters | Fiber optics
Conference Proceeding
2009 IEEE International Frequency Control Symposium Joint with the 22nd European Frequency and Time forum, ISSN 2327-1914, 04/2009, pp. 1203 - 1205
In this paper we compare the PTB-TL time transfer link data of TWSTFT and GPS carrier phase solutions... 
Instruments | Laboratories | Receiving antennas | Satellite ground stations | Modems | Satellite navigation systems | Frequency | Optical fiber filters | Global Positioning System | Photonics
Conference Proceeding
2009 Third IEEE International Conference on Space Mission Challenges for Information Technology, 07/2009, pp. 23 - 28
.... To support up to 622 Mbps over the approximately 400 thousand kilometer link, the system will make use of a high peak power doped fiber transmitter, a hybrid pointing and tracking system, high... 
LLCD | LADEE | Moon | NASA | Extraterrestrial measurements | optical communications | Optical transmitters | laser | Atmosphere | Satellite ground stations | Optical fiber communication | Optical modulation | Modulation coding | Fiber lasers
Conference Proceeding
2007 16th IST Mobile and Wireless Communications Summit, ISSN 2167-1753, 07/2007, pp. 1 - 4
.... According optical satellite terminals will be extremely small and light-weight and will require few transmit power, but one drawback is the link blockage by thick clouds... 
Spaceborne radar | Ultraviolet sources | Clouds | optical freespace links | Transmitting antennas | Downlink | Space stations | Earth | Laser radar | optical ground stations | Satellite ground stations | high altitude platforms | Optical sensors | optical satellite downlinks | Optical freespace links | High altitude platforms | Optical satellite downlinks | Optical ground stations
Conference Proceeding
2011 International Conference on Space Optical Systems and Applications (ICSOS), 05/2011, pp. 343 - 345
In satellite-to-ground laser communication links, atmospheric turbulence has a strong influence on communication quality, and a communication link is difficult to establish or break even in strong turbulence... 
Satellite antennas | Satellites | optical system | Optical fiber communication | Aperture antennas | space diversity | free space communication | Arrays | satellite-ground link | multiple-aperture array antenna | Antenna arrays
Conference Proceeding
24th Digital Avionics Systems Conference, ISSN 2155-7195, 2005, Volume 1, pp. 1.C.2 - 1.1
This paper investigates the ability of a mechanical gimbal to perform alignment and tracking of a free-space optical communications link between a ground station and an unmanned aerial vehicle... 
Fading | Solid modeling | Analytical models | Atmospheric modeling | Satellite ground stations | Optical fiber communication | Unmanned aerial vehicles | Probability distribution | Performance analysis | Laser beams
Conference Proceeding
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