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机载合成孔径激光雷达相位调制信号性能分析和成像处理

Leida xuebao(2014)

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Abstract
该文将相位调制信号用于机载合成孔径激光雷达,分析了3种相位调制信号的性能,研究了相位调制信号的收发方式和成像处理方法。针对机载合成孔径激光雷达观测幅宽较小的特点,对基于线性调频信号的相位调制信号,提出采用“去调相”接收方式,以大幅度降低宽带信号的 AD 采样率。对3种相位调制信号所做的成像仿真结果表明了该方法的有效性。
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Key words
Ladar,Synthetic aperture,Phase-modulated signal,Laser imaging
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