循环冗余校验，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。-Cyclic Redundancy Check, 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

program for Hamming Code generation for error detection and correction.

sec code 电路，用于纠错检错和错误恢复的功能，verilog描述。-sec code circuit, for correction of error detection and error recovery functions, verilog descr iption.