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2FSK- 同 步 检 波v ( kT )1s⎧a+nc( kTs) , 发 "1" 码= ⎨⎩ n ( kT ), 发 "0" 码csv2( kT )s⎧nc( kTs) , 发 "1" 码= ⎨⎩a+ nc( kTs) , 发 "0" 码2n (), t n () t 为 ( 0,δ ) 的 高 斯 过 程1c2c1f v v a2πσ2 2(1) = exp( −(1−) /2 σn)n2011-9-11 69
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