Ibm dictionary of computing : a broadband channel is " 6 mhz wide . Ibm计算机辞典：一个6兆赫兹宽的频带。
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H4 digital broadband channel h 数字宽带通道
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The capacity of subliminal channels in elgamal signatures is studied . the capacity of broadband channel and the optimal schemes in 18 general elgamal signatures are analyzed . the relation between the capacity and the embedding rate of narrowband subliminal channels based on the exhausting search is studied 给出了容量的定义，理论上界以及影响容量的几个因素，给出了嵌入成功率和信道使用率对容量的影响，研究了elgamal签名中宽带信道的容量，分析了18种广义elgamal签名中的宽带阈下信道的容量并指出了最优方案，具体研究了基于搜索的窄带信道的容量与嵌入成功率的关系，具体研究了牛顿信道的带宽。
