theory of correlation meaning in Chinese

This paper uses theory of correlation analytic method to detect and locate the leakage of oil conveying according to the negative press wave method
摘要主要依据负压波方法，应用相关分析法理论对输油管道进行泄漏检测和定位。
In the transmiting port , optical encoder turns data bits into spread spectrum sequences , then , optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port
在发送端光编码器将数据比特转换成扩频序列,在接收端光解码器利用相关解码原理将扩频序列恢复为数据比特。