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这一方法为周期信号频谱的准确测量提供了可能。
This makes it possible to measure period signal spectrum exactly.
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试用周期图法估计信号的功率谱；
The probationary period plan estimates the signal power spectrum;
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试用周期图法估计信号的功率谱；
The probationary period plan estimates the signal power spectrum;
youdao