论述了循环冗余校验的数学模型以及编码原理，并给出了软件的实现方法。
This paper presents the mathematical model and coding principle of cyclic redundancy check, and show the software implementation.
循环冗余校验CRC由于编码简单、误判概率低，在通信系统中得到了广泛的应用。
For its simple coding and low rate of error identification, the Cyclic Redundancy Check (CRC) is widely used in digital communication system.
针对编码协作中采用循环冗余校验(CRC)方案会降低系统传输速率的问题，提出了一种改进的门限选择中继方案。
For the rate reduction induced by using cyclic redundancy check (CRC) in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.
针对编码协作中采用循环冗余校验(CRC)方案会降低系统传输速率的问题，提出了一种改进的门限选择中继方案。
For the rate reduction induced by using cyclic redundancy check (CRC) in coded cooperation, an improved threshold selection relaying scheme is proposed for coded cooperation.
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