标题: ?????????????ó???? [打印本页]

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作者: zona    时间: 2004-8-12 15:54     标题: ?????????????ó????


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?è???????¨?????ù±??????????????????????????????ó??????
?????????????è??????????????????????±ê??????S=1/T??
????????????????×??ó??????????Rmax???¨?????????íB?¨B=f????????Hz?????????????????? Rmax=2*f?¨bps??
???????ú?????ù?????????????????????±????????????Rmax?????????íB??????±?S/N???????? Rmax=B*LOG???¨1+S/N??
?ó????????????????????????????????±????í?????????ü?????????ü????????
??????????????????????Pe=Ne/N?¨???í??????×?????
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