Results 21 to 30 of about 2,362,034 (304)
Comparison of Precipitation Effects in Spaceborne X- and Ka-band SAR Imaging [PDF]
, 2009 As the operating frequencies of SAR-systems are increasing, the visible distortions due to precipitation in SAR-images are becoming more frequent. This holds especially for the case of convective rain events.
Chandra, Madhukar +3 more
core +1 more source
GMTI Performance Of A High Resolution Wide Swath SAR Operation Mode [PDF]
, 2008 In this paper an operation mode for space-based SAR/GMTI is suggested which uses a rectangular antenna array and employs subpulse beamsteering on transmit in order to yield wide swath coverage. A signal modeling in range- Doppler domain is introduced
Martina Gabele +3 more
core +1 more source
Geo-spatial Information Science, 2022 After mastering the key technologies of manufacturing spaceborne Synthetic Aperture Radar (SAR), China’s SAR satellites have been successfully launched into space.
Guo Zhang +9 more
doaj +1 more source
Frequency-Scaling-Based Spaceborne Squint SAR Sparse Imaging
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 In synthetic aperture radar (SAR), due to the characteristics of squint data in spaceborne imaging geometry, a more accurate range cell migration correction operation is necessary.
Yufan Song +4 more
doaj +1 more source
Perspektif: Jurnal Ilmu-ilmu Sosial, 2017 Communication process is a process that describes the inter-human communication activities that are interactive, relational, and transactional where communicators send messages to the communicant through a certain media with a specific purpose and ...
Sariman Sutrisno Sitorus +2 more
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Technology and Applications of UAV Synthetic Aperture Radar System
Leida xuebao, 2016 This paper provides a brief review of the development in Unmanned Aerial Vehicle (UAV) borne SAR technology, and gives a summary on the important areas of UAV SAR, including the operation mode, key facilitating technology, performance and specifications,
Wang Yanfei +3 more
doaj +1 more source
SAR Antenna Pattern Measurement by Internal Calibration Method for GF-3 Satellite
International Journal of Antennas and Propagation, 2022 GF-3 is the first C-band multipolarization synthetic aperture radar (SAR) satellite in China. The SAR system is equipped with an active phased array antenna to electronically generate various antenna beams. The accuracy of SAR antenna patterns is of main
Jian Mi +4 more
doaj +1 more source
Performance Evaluation of a Modified SweepSAR Mode for Quad-Pol Application in SAR Systems [PDF]
Journal of Electromagnetic Engineering and Science, 2020 Efficient earth observation using spaceborne synthetic aperture radar (SAR) requires the analysis of high-resolution wide-swath (HRWS) systems, which have a fine resolution and a short revisit time through wide-area observation, and quadrature ...
Jung-Hwan Lim +6 more
doaj +1 more source
New imaging method for airborne circular trace stripmap SAR
The Journal of Engineering, 2019 Circular trace stripmap synthetic aperture radar (SAR) (CTS-SAR) is a new operation mode presented recently. Compared with linear trace stripmap SAR and staring SAR, it is similar to them. Meanwhile, it shows some unique features.
Yu Hui +3 more
doaj +1 more source
Maritime Safety in the Strait of Gibraltar. Taxonomy and Evolution of Emergencies Rate in 2000-2004 Period [PDF]
TransNav, 2011 Both SAR?79 and UNCLOS?82 Conventions are specific tools that establish the juridical and technical foundations for the development of reactive aspects related to maritime safety response.
Jorge Walliser +3 more
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