Multi-resolution analysis and Wavelet Energy spectrum are used to analysis the signals of difference voltage and circular current when the rotor windings are faulty . and using wavelet packet to reduce noise of signals.
另外,将小波多分辨率分析与小波能量谱分析方法运用到发电机转子发生匝间短路时在定子并联支路产生的电压差与环流信号的分析中,并对信号进行了小波包软阈值去噪。 采用Mallat算法对信号进行快速分解与重构。
参考来源 - 大型汽轮发电机在线监测与故障诊断技术的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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。
The conception of wavelet energy spectrum (WES) is posed by comparing the conservation of total energy in harmonic analysis, power spectrum analysis and wavelet transform.
通过比较傅里叶分析和小波分析中能量守恒公式，提出了小波能量谱的概念。
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.
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。
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