Results 81 to 90 of about 346,454 (233)

Determining potential 30/20 GHZ domestic satellite system concepts and establishment of a suitable experimental configuration [PDF]

open access: yes
NASA is conducting a series of millimeter wave satellite communication systems and market studies to: (1) determine potential domestic 30/20 GHz satellite concepts and market potential, and (2) establish the requirements for a suitable technology ...
Anzic, G., Stevens, G. H.
core   +1 more source

Choice of ensemble of broadband noise-immune signals for satellite communication systems with multiple access [PDF]

open access: diamond, 2023
M.А. Zaytsev   +3 more
openalex   +1 more source

A depolarization and attenuation experiment using the CTS satellite. Volume 1: Experiment description [PDF]

open access: yes
An experiment for measuring precipitation attenuation and depolarization on the Communications Technology Satellite (CTS) 11.7 GHz downlink is described.
Bostian, C. W.   +6 more
core   +1 more source

A separation algorithm for satellite-based AIS received signals based on SSA and RobustICA

open access: yesZhongguo Jianchuan Yanjiu
ObjectiveIn high-density traffic areas, ship collision automatic identification system (AIS) signals often occur, so high requirements are put forward for the separation performance and real-time performance of the receiver.MethodsFor mixed signals with ...
Jiansen ZHAO   +4 more
doaj   +1 more source

NASA's Advanced Communications Technology Satellite (ACTS) [PDF]

open access: yes
NASA recently restructured its Space Communications Program to emphasize the development of high risk communication technology useable in multiple frequency bands and to support a wide range of future communication needs.
Gedney, R. T.
core   +1 more source

Secure Satellite Communication Systems Design with Individual Secrecy Rate Constraints

open access: yes, 2011
In this paper, we study multibeam satellite secure communication through physical (PHY) layer security techniques, i.e., joint power control and beamforming.
Han, Zhu   +3 more
core   +1 more source

Disaster warning system: Satellite feasibility and comparison with terrestrial systems. Volume 1: Executive summary [PDF]

open access: yes
The Disaster Warning System (DWS) is a conceptual system which will provide the National Weather Service (NWS) with communication services in the 1980s to help minimize losses caused by natural disasters.
Bamford, T. F.   +3 more
core   +1 more source

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