power spectra

• 功率谱

power spectra的用法和样例：

例句

1. Results The power spectra of pulse signals were obtained,the power-spectral characteristics were analyzed and compared.
   结果获得了脉搏信号的功率谱，并对功率谱特征进行了分析和比较。
2. This effect explains why the second peak in the power spectrum is lower than the first.
   这个效应解释了为何功率谱上的第二峰低于第一峰的现象。