一种核函数的设计改进算法，有兴趣的人可以看看。

Design of a kernel function to improve the algorithm, those who are interested can look at.

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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。

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.

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说明：为支持向量机设计了一种新的直方图核函数运用在图像分类上取得不错的效果。

The paper designed a new histogram kernel function for support vector machines which achieved good results in image classification .

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