Compared with the traditional power spectrum, the vector power spectrum can fuse the power information from different channels, and reflect more comprehensive information.
与传统功率谱相比，矢功率谱融合了多通道的能量信息，反映的信息更全面。
The result shows that, compared with the time-wavelet power spectrum, the scale-wavelet power spectrum has a higher recognition accuracy and smaller dimension of feature vector.
结果表明，尺度-小波能量谱和时间-小波能量谱相比有较好的分类效果和较低的特征维数。
A new method based on Support Vector Data Description (SVDD) was presented to identify and locate line-spectrum power increase acoustic fault source of system.
本文以线谱增强类声学故障为研究对象，提出了一种基于支持向量数据描述(SVDD)的故障源识别定位方法。
A new method based on Support Vector Data Description (SVDD) was presented to identify and locate line-spectrum power increase acoustic fault source of system.
本文以线谱增强类声学故障为研究对象，提出了一种基于支持向量数据描述(SVDD)的故障源识别定位方法。
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