Thursday, September 28, 2023
问题:对于二元序列0011100000011111001111000001111111,其相应的游程序列是()。...
Tuesday, June 20, 2023
Sunday, April 28, 2024
Wednesday, October 25, 2023
Monday, September 12, 2022
Thursday, February 8, 2024
问题:离散平稳有记忆信源符号序列的平均符号熵随着序列长度L的增大而增大。...
Thursday, February 8, 2024
Friday, September 8, 2023
问题:对具有8个消息的单符号离散无记忆信源进行4进制哈夫曼编码时,为使平均码长最短,应增加()个概率为0的消息。...
Thursday, February 8, 2024
问题:平均互信息量I(X;Y)对于信源概率分布p(xi)和条件概率分布p(yj/xi)都具有凸函数性。...
Sunday, April 28, 2024
问题:下列离散信源,熵最大的是()。A、H(1/3,1/3,1/3);B、H(1/2,1/2);C、H(0.9,0.1);D、H(1/2,1/4,1/8,1/8)...
Thursday, December 14, 2023
Sunday, April 7, 2024
问题:请给出域的定义并说明集合{0,1,2}可否构成域及其理由。...
Sunday, April 7, 2024
问题:已知用户A的RSA公开密钥(e,n)=(3,55),,则(),他的秘密密钥(d,n)=(27,55)。若用户B向用户A发送m=2的加密消息,则该加密后的消息为()。...
Sunday, April 7, 2024
Sunday, January 7, 2024
Thursday, March 21, 2024
Thursday, December 14, 2023
问题:根据输入输出信号的特点,可将信道分成离散信道、连续信道、()信道。...
Friday, September 8, 2023
Sunday, March 19, 2023
Monday, April 8, 2024