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| 多基地合成孔径雷达及其二维分辨率理论研究 | |
| 引用本文： | 李树,王鹰,赵亦工. 多基地合成孔径雷达及其二维分辨率理论研究[J]. 系统工程与电子技术, 2004, 26(9): 1184-1188 |
| 作者姓名： | 李树 王鹰 赵亦工 |
| 作者单位： | 1. 西安电子科技大学电子工程学院,陕西,西安,710071;95972部队,甘肃,酒泉,735018 2. 第二炮兵第二研究所,北京,100085 3. 西安电子科技大学电子工程学院,陕西,西安,710071 |
| 摘 要： | 基于接收距离的误差得出了双基地合成孔径雷达(SARS)的距离分辨率公式。以发射天线APC运动方向为成像场景的参考方位向,从方位向多普勒频率分析的观点出发,对4种典型结构的双(多)基地SARS的多普勒频率、多普勒带宽及其方位向分辨率进行了分析,指出了合成孔径对两天线的角度结构和双基地基线的约束条件,得出了双基地SARS方位向分辨率的一般表达式,最后对不同布局的多基地SARS系统的潜在用途进行了概述。文中得出的结论是研究多基地SARS成像及其应用的重要基础。 |
| 关 键 词： | 多基地合成孔径雷达 距离分辨率 方位分辨率 多普勒频率 |
| 文章编号： | 1001-506X(2004)09-1184-05 |
| 修稿时间： | 2003-07-25 |
Theoretical research on multistatic SARS systems and its two-dimensional resolution |
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| LI Shu. Theoretical research on multistatic SARS systems and its two-dimensional resolution[J]. System Engineering and Electronics, 2004, 26(9): 1184-1188 | |
| Authors: | LI Shu |
| Abstract: | Based on the error of the received slant range, the range resolution is obtained. By taking the moving direction of APC of the transmitting antenna as the standard azimuth and based on the analysis of Doppler frequency, the Doppler frequency, Doppler bandwidth and corresponding azimuth resolution of four typical bistatic SARS are studied. The restriction of the synthetic aperture to the bistatic baselines and the angles about two antennas are indicated, and a generalized expression for the azimuth resolution of bistatic SARS is given. Finally, the potential applications of multistatic SARS systems with different structures are outlined. The conclusion drawn is the foundation for image reconstruction and future application of the multistatic SARS. |
| Keywords: | multistatic SARS range resolution azimuth resolution Doppler frequency |
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