对分组码的chase2译码算法比较与硬判决，未编码情况下的提高了误码率增加了编码增益-right to a code decoding algorithm chase2 compared with the hard decision, no coding of the increased bit error rate increased coding gain

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TI6670 VCP 模块驱动及硬判决应用代码，主要完成VCP硬判决，其中数据搬移需要用到EDMA。-TI6670 VCP module drives and hard-decision application code, mainly to complete the VCP hard decision.