| 随机线性调频步进雷达波形设计及成像算法研究 |
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| 引用本文： | 何劲,罗迎,张群,杨小优.随机线性调频步进雷达波形设计及成像算法研究[J].电子与信息学报,2011,33(9):2068-2075. |
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| 作者姓名： | 何劲 罗迎 张群 杨小优 |
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| 作者单位： | 1. 空军工程大学电讯工程学院 西安710077
2. 空军工程大学电讯工程学院 西安710077;复旦大学波散射与遥感信息国家教育部重点实验室 上海200433 |
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| 基金项目： | 国家973计划项目(2010CB731905)资助课题 |
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| 摘 要： | 线性调频步进信号能在不增加系统瞬时带宽的情况下用数字信号处理的方法获得高的距离像分辨率,是一种高效的雷达信号形式.针对传统的线性调频步进信号抗干扰能力较差的问题,该文提出一种可以随机发射线性调频步进信号子脉冲的波形设计方法,结合压缩感知理论,运用较少的子脉冲实现了对运动目标1维距离像的重构和高分辨的2维成像.在此基础上...
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| 关 键 词： | 雷达成像 随机线性调频步进信号 压缩感知 运动目标 时频分析 Radon变换 二值数学形态学 |
Waveform Design and Imaging Algorithm Research of Random Frequency Stepped Chirp Signal ISAR |
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| He Jin,Luo Ying,Zhang Qun,Yang Xiao-you.Waveform Design and Imaging Algorithm Research of Random Frequency Stepped Chirp Signal ISAR[J].Journal of Electronics & Information Technology,2011,33(9):2068-2075. |
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| Authors: | He Jin Luo Ying Zhang Qun Yang Xiao-you |
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| Abstract: | Frequency-stepped chirp signal is an effective radar signal which can utilize the digital signal processing to obtain high range resolution with relatively narrow instantaneous bandwidth.Because the anti-jamming ability of frequency-stepped chirp signal radar is not enough,the random frequency-stepped chirp signal is designed,and a random frequency-stepped chirp signal ISAR imaging algorithm based on compress sensing theory is proposed.The range profile and high resolution 2-D ISAR image can be obtained wit... |
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| Keywords: | Radar imaging Random frequency-stepped chirp signal Compress sensing Moving target Time-frequency analysis Radon transform Binary mathematical morphology |
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