误码的校验与纠错.mht

本人收集的面试题：包含通信原理
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------=_NextPart_000_0044_01C6DA66.F2C676D0
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www2.gdin.edu.cn/jkx/webstudy/duomeitijishu/text/images/54.htm1.gif
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