说明：  摘要：简述信道编码理论，详细说明分组码的编译原理、实现方法及检错纠错能力，用MATLAB仿真有无信道编码条件下对通信系统性能的影响及信道编码在不同信道下对通信系统性能的影响，如AWGN信道和深衰落信道。 关键词：信道编码、分组码、MATLAB仿真、性能
(Abstract: This paper describes channel coding theory, the detailed block code compiler theory, implementation method, and error detection and correction capabilities, with the MATLAB simulation without channel coding conditions on the communication system performance and channel coding in the different channels of communication systems properties, such as deep fading channel and AWGN channel. Keywords: channel coding, block codes, MATLAB simulation, performance)