New generation SAR for Earth environment observation

doi:10.11947/j.AGCS.2022.20220098

Abstract

Abstract: Synthetic aperture radar (SAR) systems have the unique advantage of all-time and all-weather observation. In the past decade or so, with the continuous announcement of multi-mode, multi-angle, multi-dimension, wide-swath, high-resolution, and multi-static SAR observation technologies, SAR observation has been in the "new generation" stage. This paper first introduces the development of the observation capability of the new generation SAR, including how to realize the wide-swath, multi-temporal, and multi-level observation as well as moon-base observation; Then, the development and application of new information extraction methods such as the non-stationary statistical modeling, time-frequency decomposition, deep learning, and compressed sensing for new generation SAR images are summarized; Finally, recent application progress in urban management, vegetation mapping, polar region and ocean survey, and disaster monitoring are listed to promote wider and deeper applications of the new generation SAR.

Key words: SAR, earth observation, surveying and mapping

CLC Number:

P227

GUO Huadong, WU Wenjin, ZHANG Ke, LI Xinwu. New generation SAR for Earth environment observation[J]. Acta Geodaetica et Cartographica Sinica, 2022, 51(6): 862-872.

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