Angle and doppier ambiguity mitigation for spaceborne sparse array GMTI radar

Author

Xueyan, Kang ; Bitao, Jiang ; Yunhua, Zhang ; Yan, Zhang

Author_Institution

Center for Space Sci. & Appl. Res., Chinese Acad. of Sci., Beijing, China

fYear

2009

fDate

26-30 Oct. 2009

Firstpage

39

Lastpage

42

Abstract

Ground moving target indication (GMTI) using spaceborne sparse array radar is attractive. To mitigate angle and Doppler ambiguities of the moving target detection for sparse array, the paper presented the model of a multi-carrier-frequency radar system and analyzed the basic principle of space time adaptive processing (STAP). Finally, the paper presented preliminary simulations to show that the angle and Doppler ambiguities can be effectively reduced by using multi-carrier-frequency technique.

Keywords

radar signal processing; space-time adaptive processing; spaceborne radar; Doppler ambiguity mitigation; STAP; angle ambiguity mitigation; ground moving target indication; multicarrier-frequency radar system; space time adaptive processing; spaceborne sparse array GMTI radar; spaceborne sparse array radar; Analytical models; Apertures; Azimuth; Doppler radar; Frequency; Gratings; Object detection; Satellites; Signal processing; Spaceborne radar; GMTI; STAP; Spaceborne sparse array radar; angle and Doppler ambiguities; multi-carrier-frequency mode;

fLanguage

English

Publisher

ieee

Conference_Titel

Synthetic Aperture Radar, 2009. APSAR 2009. 2nd Asian-Pacific Conference on

Conference_Location

Xian, Shanxi

Print_ISBN

978-1-4244-2731-4

Electronic_ISBN

978-1-4244-2732-1

Type

conf

DOI

10.1109/APSAR.2009.5374346

Filename

5374346