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从分析对称有扰信道的平均互信息量入手,指出平均互信息量应是与信源和干扰都有关的多元函数,并给出在三维坐标系下的平均互信息量关系曲面,从图形中就可以直观明了地看出影响信息传输效率的互相关系。
Starting with the analysis of the average mutual information of symmetric and scrambled channels, it is pointed out that the average amount of mutual information should be a multivariate function related to both source and interference, and the average mutual information volume in three-dimensional coordinate system is given. We can see clearly and intuitively the relationship between the efficiency of information transmission.