【摘 要】
：
On the basis of the previous paper,power spectrum density functions for superposition typemodulation envelopes are calculated in this paper.The results of inves
【出 处】
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Chinese Journal of Acoustics
论文部分内容阅读
On the basis of the previous paper,power spectrum density functions for superposition typemodulation envelopes are calculated in this paper.The results of investigation show that very richrhythm information,which is related to physical characteristics of a ship,can be extracted from thepower spectrum density and the autocorrelation function of ship radiated noise modulation envelopes.The nethods for extracting them are also introduced.
On the basis of the previous paper, power spectrum density functions for superposition typemodulations envelopes are calculated in this paper. The results of investigation show that very richrhythm information, which is related to physical characteristics of a ship, can be extracted from the power spectrum density and the autocorrelation function of ship radiated noise modulation envelopes.The nethods for extracting them are also introduced.
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