The longitudinal distributions of source intensity spectrum of several typical ships is given on the basis of time frequency analysis of the passage signature of ship radiated noises.
籍助对舰船噪声通过特性信号的时频分析，得到了若干典型舰船的噪声源强度谱纵向分布特性。
The longitudinal distributions of source intensity spectrum of several typical ships is given on the basis of time frequency analysis of the passage signature of ship radiated noises.
籍助对舰船噪声通过特性信号的时频分析，得到了若干典型舰船的噪声源强度谱纵向分布特性。
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