结果表明，W - O方法得到的信号频谱比传统加窗具有更少的旁瓣干扰和更高的主瓣-第一旁瓣能量比。

Result indicates that the spectrum gained from using W-O way comprises much fewer side lobes and achieves higher energy ratio of main lobes to the first side lobe.

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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.

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