说明：  献给初学者－DSP入门教程【网页版】  前言：此资料也是来源于网络，并不是我们原创，但是希望这些资料能够给初学 DSP 的朋 友们一点帮助，也希望你们能够把这里当成是你们学习 DSP 技术的一个家园，让我们携手 共建，为更多的朋友创造学习的条件～ 
(Dedicated to beginners-DSP Started Guide Version] [page foreword: This information is derived from the network, not by our original, but I hope this information will give the beginner a little DSP friends to help, but also hope that you will be able to here as you learn DSP technology, a home, let us join hands to build for more friends to create the conditions for learning ~)