Study on Azimuth Ambiguity Analysis of Single Phase Center Multiple Beams Synthetic Aperture Radar
Li Shi-qiang①②; Yang Ru-liang①
①Institute of Electronics, The Chinese Academy of Sciences, Beijing 100080, China; ②Graduate School, The Chinese Academy of Sciences, Beijing 100039, China
Abstract:A fundamental constraint in Synthetic Aperture Radar(SAR) designing is the contradiction between swath width and azimuth resolution. Single phase center multiple beams technique can alleviate the contradiction in some extent and is one of solutions to implement high resolution wide swath spaceborne synthetic aperture radar systems. In this paper, based on the introduction to the principle of single phase center multiple beams technique, the origin of azimuth ambiguities of single phase center multi-beam synthetic aperture radar is analyzed and the formula to compute azimuth ambiguities is presented. Then a simulation example of computing azimuth ambiguities of single phase center multi-beam synthetic aperture radar is given. The results of the paper can be reference for designing single phase center multi-beam synthetic aperture radar systems.
李世强; 杨汝良 . 单相位中心多波束合成孔径雷达的方位模糊分析[J]. 电子与信息学报, 2005, 27(10): 1569-1572 .
Li Shi-qiang①②; Yang Ru-liang①. Study on Azimuth Ambiguity Analysis of Single Phase Center Multiple Beams Synthetic Aperture Radar. , 2005, 27(10): 1569-1572 .