Results 161 to 170 of about 18,596 (191)

A Training-Free Paradigm for Data-Scarce Maritime Scene Classification Using Vision-Language Models. [PDF]

Sensors (Basel)
Wu J, Chen Y, Chen W, Lai Y, Li J, Chen X, Wu W.   +6 more
europepmc   +1 more source

O-RAID: a satellite constellation architecture for ultra-resilient global data backup. [PDF]

Sci Rep
Meegama RGN.
europepmc   +1 more source

LEO navigation observables extraction using CLOCFC network. [PDF]

Sci Rep
Wang Z, Lu H, Bian Z.
europepmc   +1 more source

Psyche Mission Description and Design Rationale. [PDF]

Space Sci Rev
Polanskey CA, Elkins-Tanton LT, Bell JF, Alonge EK, Bairstow SH, Binzel RP, Biswas A, Bury L, Cisneros E, Han D, Jun I, Klipstein WM, Lawrence DJ, McCoy TJ, Mastrodemos N, Merayo JMG, Noble SK, Oh DY, Oran R, Ortega CA, Park RS, Peplowski PN, Prettyman TH, Rayman MD, Ream JB, Roatsch T, Weise TM, Wenkert DD, Weiss BP, Zuber MT.   +29 more
europepmc   +1 more source

A seven-band co-integrated antenna for 5G/6G operations in sub-6 GHz and millimeter-wave frequencies. [PDF]

Sci Rep
Islam MK, Alam MN, Araujo CA, Alwan EA.
europepmc   +1 more source

Diversity scheme based hybrid FSO/RF systems in satellite-aerial-ground integrated network with outdated CSI. [PDF]

Sci Rep
Li X, Li Y, Song X, Li J, Zhao S.
europepmc   +1 more source

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Performance of a satellite-to-ground downlink coherent lasercom system with random tracking error of receiver

Journal of Russian Laser Research, 2011
We analyze the performance of a satellite-to-ground downlink coherent lasercom system taking into account the combined effects of atmospheric wavefront aberration and tracking error of the receiver. We revise the wavefront phase variance in the case where the tracking error of the receiver terminal is present.
Qingbo Yang, Qiqi Han, Yu Siyuan
exaly   +2 more sources

Fiber-based Diversity Coherent Receivers for Satellite-to-ground Downlink Optical Communications with MPSK and MQAM Modulation Techniques

2020 IEEE 20th International Conference on Communication Technology (ICCT), 2020
Spatial diversity can be used over satellite-to-ground optical links to mitigate turbulence induced fading. In this paper, bit-error rate (BER) performances of satellite-to-ground downlink optical communication are evaluated for fiber-based coherent detection receiver system with spatial diversity.
Kangning Li
exaly   +2 more sources