cross-correlation spectrum recognition

• 互功率谱法

cross-correlation spectrum recognition的用法和样例：

例句

1. A measurement is made for the structure-borne power flow of a ventilation fan mounted on a concrete floor by using the cross spectrum method.
   本文利用互功率谱的方法对安装在混凝土地板上的小型排气扇工作时产生的结构声功率流进行了现场测量。