| 广域观测圆轨迹环扫SAR成像模式研究 |
| |
| 引用本文： | 孙兵, 周荫清, 陈杰, 李春升. 广域观测圆轨迹环扫SAR成像模式研究[J]. 电子与信息学报, 2008, 30(12): 2805-2808. doi: 10.3724/SP.J.1146.2007.00916 |
| |
| 作者姓名： | 孙兵 周荫清 陈杰 李春升 |
| |
| 作者单位： | 北京航空航天大学电子信息工程学院,北京,100083 |
| |
| 摘 要： | 圆轨迹环扫SAR是一种能够实现广域观测的新模式合成孔径雷达，具有高时空分辨率、短重访周期、广域成像的特点，特别是对于低速运动平台，能在短时间内实现对大面积区域的快速观测，观测效率高。该文建立了圆轨迹环扫SAR的运动模型，进而得到SAR回波信号距离模型，在此基础上分析了圆轨迹环扫SAR的信号多普勒特性以及方位分辨率特性，最后探讨了圆轨迹环扫SAR的成像处理方法。计算机仿真结果验证了该文分析结论和成像方法的正确性，圆轨迹环扫SAR是一种可行的广域观测成像模式。
|
| 关 键 词： | 合成孔径雷达 圆轨迹环扫 广域观测 成像模式 |
| 收稿时间： | 2007-06-11 |
| 修稿时间： | 2007-10-26 |
Operation Mode of Circular Trace Scanning SAR for Wide Observation |
| |
| Sun Bing, Zhou Yin-Qing, Chen Jie, Li Chun-Sheng. Operation Mode of Circular Trace Scanning SAR for Wide Observation[J]. Journal of Electronics & Information Technology, 2008, 30(12): 2805-2808. doi: 10.3724/SP.J.1146.2007.00916 |
| |
| Authors: | Sun Bing Zhou Yin-qing Chen Jie Li Chun-sheng |
| |
| Affiliation: | School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
| |
| Abstract: | Circular Trace Scanning Synthetic Aperture Radar (CTS-SAR) is a new operation mode radar, which can be used for wide observation. CTS-SAR have the characteristic of high time-space resolution, short repetition visit period and wide observation area. It can observe wide area in a short time with great efficiency for slow platform specially. The moving model and range model of CTS-SAR are advanced, and the Doppler characteristic and azimuth resolution characteristic of CTS-SAR are analyzed base on the above models. Then the imaging method of CTS-SAR is discussed. The computer simulation results validate the analyzed conclusions and the imaging method. CTS-SAR is competent for wide observation. |
| |
| Keywords: | Synthetic Aperture Radar(SAR) Circular Trace Scanning(CTS) Wide observation Operation mode |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《电子与信息学报》浏览原始摘要信息 |
|
点击此处可从《电子与信息学报》下载全文 |
