In processing of array signal, Direction of Arrival (DOA) of target can be obtained by extracting spatial frequency of echo.

在阵列信号处理中，提取回波信号中的空间频率，可以得到目标的方位信息。

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Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background.

提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。

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Then proposes a method to detect the arrival time of instantaneous signal and the frequency compos...

提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。

youdao