second harmonic detecting

• 二次谐波检测

second harmonic detecting的用法和样例：

例句

1. The development tendency of the electric system harmonic detecting is prospected.
   展望电力系统谐波检测方法的发展趋势。
2. A digitized harmonic detection method based on resampling and feedback theory is proposed.
   提出了基于重采样和反馈理论的数字化谐波检测方法。