The Study of realization method for the sliding spotlight mode in SAR

Author

Li, Zhu ; Zhu Li

Author_Institution

Nanjing Res. Inst. of Electron. Technol., Nanjing, China

Volume

1

fYear

2011

fDate

24-27 Oct. 2011

Firstpage

30

Lastpage

33

Abstract

In the paper, the different characteristics between the spotlight mode and the sliding spotlight mode of spaceborne SAR are discussed. The system index, especially, antenna azimuth steering angle etc of sliding spotlight mode are studied. The realization method of the mode is presented, At the same time, the Doppler de-ambiguity, the requirement of azimuth steering angle, and the dwell time of azimuth point targets, and the position of rotation center are analyzed. The simulating results provided these analysis are rationality, and could be applied to the high resolution SAR system design.

Keywords

spaceborne radar; synthetic aperture radar; Doppler de-ambiguity analysis; antenna azimuth steering angle; azimuth point targets analysis; azimuth steering angle analysis; dwell time analysis; realization method; rotation center position analysis; sliding spotlight mode; spaceborne SAR; Azimuth; Doppler effect; Radar antennas; Satellites; Spaceborne radar; azimuth steering angle; high resolution; sliding spotlight mode; swath;

fLanguage

English

Publisher

ieee

Conference_Titel

Radar (Radar), 2011 IEEE CIE International Conference on

Conference_Location

Chengdu

Print_ISBN

978-1-4244-8444-7

Type

conf

DOI

10.1109/CIE-Radar.2011.6159468

Filename

6159468