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公开(公告)号:US4527269A
公开(公告)日:1985-07-02
申请号:US464845
申请日:1983-02-08
申请人: Roger W. Wood , Charles L. Matson
发明人: Roger W. Wood , Charles L. Matson
CPC分类号: G06F11/2215 , G11B20/1833 , H03M13/01 , H03M13/151
摘要: An encoder verifier checks the functioning of a Reed-Solomon encoder in which data and parity bytes are intended to be digitally encoded in data blocks to form for each data block a respective codeword in multi-bit bytes in the form of a Galois field polynomial that is divisible in the Galois field by a generator polynomial, such generator polynomial being the Galois field product of a plurality of factors. A Galois field polynomial divider divides respective codewords by one of the factors to produce a remainder signal systematically related to the remainder from such division. An indicator responsive to the remainder signal produces an indication of encoder malfunction when the remainder signal corresponds to a remainder other than zero.
摘要翻译: 编码器校验器检查里德 - 索洛蒙编码器的功能,其中数据和奇偶校验字节意图在数据块中进行数字编码,以每个数据块形式以多位字节形式的伽罗瓦域多项式形式的相应码字, 可以通过生成多项式在伽罗瓦域中被分割,这种生成多项式是多个因子的伽罗瓦域积。 伽罗瓦域多项式除法器将各个码字除以其中一个因素,以产生与来自这种划分的剩余部分系统地相关的余数信号。 当剩余信号对应于零以外的余数时,响应于余数信号的指示器产生编码器故障的指示。