... time frequency localization property 时频局域（部）变化性质 time frequency representation 时频表示 time localization 时域局部化 ...
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adaptive time frequency representation 自适应时频表示
time frequency representation of power 时频功率谱表示
Time-Frequency Representation Image Formation 一种面向检测的时频表示成像算法
adaptive optimal kernel time-frequency representation 自适应最优核时频分布
Time-frequency signal representation 信号时频表示 ; 时频信号表示
Actually the kernel design in the recognition method based on discrete time - frequency representation is a problem of feature selection from the ambiguity functions to reduce feature dimension.
基于离散时频分布的信号识别方法，将时频核设计问题转化为以信号自模糊函数为原始特征的特征选择问题，以实现特征降维和信号识别。
A method of signal time-frequency representation with phase factor is introduced.
描述了一种带相位因子的时频分析方法。
Now we have a true time-frequency representation of the signal.
现在我们有了信号的一个时频表示。
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