A theory and method for calculating the noise level radiated by plate are presented in this paper.

本文提出了一种计算平板结构辐射噪声的理论和方法。

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The source level of the ship-radiated noise is estimated by analyzing the measurement records from passage ship noise.

通过对实测舰船数据分析估计舰船辐射噪声的总声源级。

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The first part is about the features extraction, including the estimation of source level of the ship-radiated noise and the line extraction of the rotation frequency of propeller noise spectrum.

首先是舰船辐射噪声特征量的提取，包括舰船总声源级的估计和螺旋桨轴频线谱的提取。

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