求信号处理中的峰值信噪比，学通信与仪器的都可用-peak signal noise ratio

一个非常不错的信号处理库，采用C++模板编写而成，可以直接添加到现有工程中。压缩包里包括源码、配套的三方库文件，以及一个详细的工具箱使用手册。(It is a very good signal processing library, written with C++ template, which can be directly added to your existing project. The compressed package includes source code, support