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多基站ISAR三维非平稳转动转台目标成像 被引量：1

Multi-Static ISAR 3D Non-Stationary Turntable Imaging and Simulation
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摘要 在多基站ISAR三维转动转台目标成像模型的基础上给出了多基站ISAR三维非平稳转动目标转台成像算法。基于Wigner-Ville时频分析方法,通过建立在多基站ISAR三维转动转台目标成像模型基础上的距离向投影方程组和方位向多普勒方程组的联合求解,获得了三维非平稳转动转台目标散射点位置和运动参数的估计,同时对系统的成像约束进行了分析。仿真实验验证了多基站ISAR三维非平稳转动转台目标的成像。 In this paper,the 3-dimensional turntable imaging of multi-static ISAR non-stationary rotating target is discussed based on the multi-static ISAR 3-dimensional turntable model.The Wigner-Ville time-frequency distribution is used to identify the interval used for imaging and to generate instant-Doppler images of non-stationary target.The positions and movement parameters of target scatters are obtained accurately via solving the range direction projection equations and azimuth Doppler equations deduced by multi-static ISAR 3-dimensional turntable model.Furthermore,the multi-static ISAR 3-dimensional turntable imaging constraints are analyzed.The multi-static ISAR 3-dimensional turntable model and imaging method are verified by simulation experiments.
作者 云日升 康雪艳 肖志刚
机构地区 中国科学院空间科学与应用研究中心
出处 《雷达科学与技术》 2011年第1期24-28,43,共6页 Radar Science and Technology
基金 国家自然科学基金(No.60802071)
关键词 多基站 逆合成孔径雷达 三维非平稳转动 WIGNER-VILLE分布 转台成像 multi-static inverse synthetic aperture radar（ISAR） 3-dimensional non-stationary rotation Wigner-Ville distribution turntable imaging
分类号 TN957.52 [电子电信—信号与信息处理] TN958 [电子电信—信号与信息处理]
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参考文献9

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二级参考文献13

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共引文献23

同被引文献13

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二级引证文献4

雷达科学与技术
2011年 第1期

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