资料详细介绍了滚动码的加密原理解码原理，了解滚动码的三种学习模式，简易模式 ，普通模式，安全模式，是对学习滚动码的解码，非常重要的资料。序-Detailed information on the encryption principle of rolling code decoding principle, understand the three learning modes, rolling code simple mode, normal mode, safe mode, the decoding of learning rolling code, very important information.