time-frequency kernel design
time-frequency kernel design
时频核设计
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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