用相关法进行相频特性的测试，可以有效抑制随机噪声的干扰，提高相位测量的精度。
Using correlation means in testing phase response can reduce random noise and improve precision of phase test.
本文提出一个研究海洋声传输信道随机时变特性的脉间相关法。
A method of measuring correlation between signal pulses for the investigation of random time-variant properties of underwater sound channel is presented in this paper.
基于扩频的音频隐藏算法一般都采用阈值相关法进行检测，但感知整形过程往往会破坏伪随机序列的正交性。
Audio information hiding algorithm based on spread spectrum is generally detected by correlation threshold but the orthogonal of pseudorandom sequence is always destroyed by perception reshaping.
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