It's better to select the minimum energy window to calculate RMS of sine wave by using the window DFT on the basis of the amplitude of sine wave DFT main lobe.
用加窗的DFT方法，从正弦波的DFT主瓣的幅度来计算正弦波的均方根值(RMS)，最好使用最小能量窗。
It's better to select the minimum energy window to calculate RMS of sine wave by using the window DFT on the basis of the amplitude of sine wave DFT main lobe.
用加窗的DFT方法，从正弦波的DFT主瓣的幅度来计算正弦波的均方根值(RMS)，最好使用最小能量窗。
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