描述如何在信号中添加白噪声和已知信噪比的高斯白噪声！-Describe how to add white noise in the signal and known SNR Gaussian white noise!

Matlab实现界面友好，添加噪声处理，与理论分析结果相比。- Matlab to achieve user-friendly, Add noise processing, Compared

添加噪声处理，matlab开发工具箱中的支持向量机，DC-DC部分采用定功率单环控制。- Add noise processing, matlab development toolbox support vector machine, DC-DC power single-part set-loop control.