我们还介绍了一些重要的内核参数、它们的用途，以及如何对它们进行优化。

We also discussed some important kernel parameters, what they do, and how to tune them.

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您研究了一些重要的内核参数、它们的用途以及如何对它们进行优化。

You examined some important kernel parameters, what they do, and how to tune them.

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为了提高支持向量机(SVM)的识别性能，提出了在常用内核的基础上构造一个组合内核函数，然后用拟牛顿算法对其超参数进行优化的方法。

To improve the performance of support vector machines (SVM), a hybrid kernel is constructed from the existing common kernels, and the hyper-parameters are optimized by using a quasi-Newton method.

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