Synthetic aperture radiometer systems

被引:76
|
作者
Le Vine, DM [1 ]
机构
[1] Goddard Space Flight Ctr, Lab Hydrospher Processes, Microwave Sensors Branch, Greenbelt, MD 20771 USA
关键词
interferometry; microwave radiometry; remote sensing; synthetic aperture radiometry;
D O I
10.1109/22.808964
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Aperture synthesis Is; an emerging technology for passive microwave remote sensing from space, It is an interferometric technique similar to earth rotation synthesis employed in radio astronomy in which pail's of small antennas and signal processing are used to obtain the resolution of a single large antenna. The technique has the potential to overcome the barriers that antenna size has placed on passive microwave remote sensing From space, The technique has been demonstrated successfully for remote sensing at L-band with the aircraft prototype ESTAR. New aircraft instruments ape under development and propos- als have been submitted For instruments to demonstrate this technology in space.
引用
收藏
页码:2228 / 2236
页数:9
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