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机动目标的时频变换ISAR成像仿真

Keywords: 逆合成孔径雷达,机动目标,成像,时频变换

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Abstract:

针对机动飞行目标的成像难点,实施了基于时频变换的逆合成孔径雷达(ISAR)成像处理方案.与传统的点目标模型的回波模拟方法不同,该方案采用全波数值方法计算目标在飞行过程中瞬时位置、姿态下的散射场数据,再依据延时顺序将离散时刻的散射场数据叠加,最终获得雷达的回波数据.数值仿真结果验证了该方案的可行性.

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