【Key words】 non-stationary signal； time-frequency representation； parametric basis； adaptive signal decomposition； adaptive time-frequency distribution； Gaussian function； linear chirp； time-shear； frequency-shear； noise； instantaneous frequency；
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自适应的信号分解 self-adaptive signal decomposition
匹配跟踪作为一种自适应的信号分解算法，为语音和音频正弦建模提供了一个新的框架。
As an adaptive algorithm of signal decomposition, matching pursuits provides a new framework for sinusoidal modeling of speech and audio signal.
经验模式分解（EMD）通过筛分过程将原始信号分解成若干个基本模式分量（IMF），可看作无需预设带宽的自适应高通滤波方法。
Empirical mode decomposition(EMD) is a signal processing technique to decompose data set into several intrinsic mode functions(IMF) by a sifting process.
在异步电机转子断条故障检测中，将原信号最优小波包分解，经自适应滤波后再信号重构。
During detection of asynchronous motor rotor-bar broken fault, the signal of current was reconstruct after decomposed by best wavelet packet and adaptive filtered.
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