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。-The English full CRC Cyclic Redundancy Check (Code), the Chinese name for the cyclic redundancy check (code). It is an important class of linear block codes, encoding and decoding method is simple, error detection and correction capability, widely used in communications to achieve error control.