说明:对人的声音信号录取后进行短时傅里叶变换,通过时频分析的方法得到声音信号的时频分布。-Human voice signal after admission short-time Fourier transform, time-frequency analysis of the sound signal obtained through the frequency distribution. <chao> 在 2025-08-26 上传
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说明:主成分分析法,将繁冗的成分缩减成主要控制成分,这些主控因素都是影响程度比较大的因素-Principal component analysis method, reduces the burdensome component to the main control components, the main controlling factors are factors that impact is relatively large <yunping> 在 2025-08-26 上传
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