同时，在信号自相关矩阵条件数不好时，该算法仍然可以进行信号的谱估计。
With bad matrix condition number, the proposed algorithm can also be used for the spectral estimation.
介绍了一种利用信号自相关处理进行快速测频的方法 ，可以提高数字接收机的测频速度。
A method which makes use of autorelation signal processing to realize fast frequency measurement is given, it can improve frequency measurement speed of digital receivers.
扫描技术是可控震源技术的重要组成部分，扫描信号自相关函数的形状是影响可控震源地震勘探分辨率的重要因素。
Sweep technique plays an important role in Vibroseis system, the resolution of Vibroseis seismic prospecting is affected by the shape of the sweep signal's auto correlation function.
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