基于小波变换，引入了能刻画风浪局域结构的局域小波能谱。
Based on the wavelet transform, the present paper introduces a kind of wind waves energy distribution, the so-called local wavelet energy spectrum, into studies of wind waves.
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum and the movement spectrums of the ship's random motion are calculated and created.
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum, and the movement spectrums of the ship's random motion are calculated and created.
在分析随机海浪的波能谱和船舶的受力情况的基础上，建立随机海浪模型和船舶运动模型。
By analyzing the spectrum of the random ocean wave and of the force of the ship, the ocean wave model and the ship movement model are erected.
引入了局域小波能谱的局域间歇性度量，分析了不同风速下的风浪资料，结果表明，局域小波能谱可依局域频率分为三部分。
Local intermittency measure is introduced to study the properties of local wavelet energy spectrum and to analyze the wind wave data obtained in a wind wave channel.
此方法对单波有很好的分解能力，能提供振幅谱、能量曲线及PRONY滤波剖面等三类显示，并具有较强的质控手段。
The method has good decomposing ability for a single wave, can provide three kinds of shows such as amplitude spectrum, energy curves and PRONY filtered sections, having a strong QC tools.
将小波变化得到的动力响应的能量谱作为损伤检测的特征量，具有很好的灵敏度，能检测到复合材料容器中非常细小的裂纹。
The energy spectrum variations as the damage dynamics feature have good sensitivity. Therefore it can detect very tiny cracks in cylindrical composite vessel.
将小波变化得到的动力响应的能量谱作为损伤检测的特征量，具有很好的灵敏度，能检测到复合材料容器中非常细小的裂纹。
The energy spectrum variations as the damage dynamics feature have good sensitivity. Therefore it can detect very tiny cracks in cylindrical composite vessel.
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