NO.26 小波变换系列——核心概念（一）
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小波变换通过时移因子与尺度因子的调节，动态地改变窗长，达到时间精度与频率精度的平衡，最终获悉信号中的瞬时频率信息。本视频对比了短时傅里叶变换，并着重讲解小波变换的基本概念与变换过程。
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