CRC的英文全称为Cyclic Redundancy Check（Code），中文名称为循环冗余校验（码）。它是一类重要的线性分组码，编码和解码方法简单，检错和纠错能力强，在通信领域广泛地用于实现差错控制。-CRC called the English Cyclic Redundancy Check (Code), the Chinese name for the Cyclic Redundancy Check (code). It is important for a class of linear block codes, encoding and decoding method is simple, error detection and error correction capability in the field of communication is widely used to achieve error control.