| 引用本文: | 范玉芳,梁甸农.非正弦波SAR的方位向分辨力.[J].国防科技大学学报,2000,22(3):11-15.[点击复制] |
| FAN Yufang,LIANG Diannong.Research on the Cross-Range Resolution of Synthetic-Aperture Radar Based on Nonsinusoidal Waves[J].Journal of National University of Defense Technology,2000,22(3):11-15[点击复制] |
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| 非正弦波SAR的方位向分辨力 |
| 范玉芳, 梁甸农 |
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(国防科技大学 电子科学与工程学院，湖南 长沙 410073)
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| 摘要: |
| 为研究非正弦波SAR的方位向分辨力, 从波束形成的角度分析了非正弦波SAR 的方位向聚焦原理, 导出了基于矩形脉冲和高斯脉冲的合成孔径天线阵列方向图表达式, 并与常规窄带SAR 进行比较, 指出影响非正弦波SAR方位向分辨力的主要因素为合成孔径长度和信号带宽, 而与信号载频无关。 |
| 关键词: 非正弦波信号 合成孔径雷达 方位向分辨力 |
| DOI： |
| 投稿日期：1999-11-01 |
| 基金项目:国家部委基金资助项目(7.5.3.2) |
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| Research on the Cross-Range Resolution of Synthetic-Aperture Radar Based on Nonsinusoidal Waves |
| FAN Yufang, LIANG Diannong |
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(College of Electronic Science and Engineering，National Univ. of Defense Technology，Changsha 410073，China)
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| Abstract: |
| From the angle of a beam-forming, the cross-range focusing principle of the synthetic-aperture radar based on nonsinusoidal
waves is studied. The expressions of antenna pattern for both rectangular signal and Gaussian signal are presented. Compared with
the conventional narrow bandwidth SAR whose cross-rang resolution is determined by the carrier frequency, the cross-range resolution of
the nonsinusoidal SAR is affected by the signal bandwidth. |
| Keywords: nonsinusoidal wave synthetic-aperture radar cross-range resolution |
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