摘要
介绍了信道编码识别技术的研究现状,指出了研究BCH码识别的重要性。从BCH码的码字线性相关性和码字多项式生成原理出发,给出了两种BCH码的码长识别方法,通过仿真实例对两种方法进行分析并对它们的容错性能进行比较,其中一种方法更适用于较高误码率条件下的BCH码识别。最后通过码根统计的方法实现了生成多项式的识别。
The research actuality of recognition technique for channel coding is introduced. The significance of researching the recognition for BCH codes is pointed. According to BCH codes relativity and codes polynomial creating principle, two codes length recognition methods for BCH codes are given, then the two methods＇ error-correct capability are compared in the simulation examples, and the second method is better for BCH codes length recognition at high BER. Following the creating polynomial recognition is achieved by code roots statistic method.
出处
《电子对抗》
2010年第6期30-34,共5页
Electronic Warfare
关键词
信道编码
有限域多项式
BCH码
容错性能
channel coding
Galois polynomial
BCH codes
error-correct capability
