The wavelength conversion characteristics under the small signal modulation and the converted waveform distortion under the large signal modulation are discussed respectively.

分别讨论了小信号下波长转换特性和大信号下转换波形的畸变情况。

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LFM (Linear Frequency Modulation) pulse is a kind of important large time-bandwidth product signal and commonly used in modern radar system.

线性调频脉冲是现代雷达系统中常用的一种重要的大时宽-带宽积信号。

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Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.

线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。

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