coefficient of phase difference

例句：

1. 1.The coefficient of phase difference between the two signals is 0.25.
   两个信号之间的相移系数为0.25。
2. 2. The phase difference between the two signals is 90 degrees.
   两个信号之间的相位差为90度。
3. 3.The coefficient of phase difference can be used to calculate the time delay between the two signals.
   相移系数可以用来计算两个信号之间的时间延迟。