本文提出了在时域中快速诊断信号功率谱特征变化的方法。

A method for time domain fast diagnosis of a signal of the characteristic changes, of the power spectrum is proposed.

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给出了一种能够模拟具有指定功率谱特征的舰船辐射噪声的方法。

A method of simulating vessel's radiated noise with specified power spectrum is presented.

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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。

Results the power spectra of pulse signals were obtained, the power spectral characteristics were analyzed and compared.

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