说明：  RS码是通信中常用的纠错编码，且RS译码部分较难实现。本源程序是RS译码的C实现，已经调试成功并且在项目中运用。
(The RS code is a communication error correction encoding and the RS decoding section is more difficult to achieve. The source is the RS decoding the C implementation has been successful commissioning and use in the project.)