信道编码定理是一个理想编码的存在性定理,即:信道无失真传递信息的条件是()。...
Sunday, April 28, 2024
Sunday, April 7, 2024
Monday, April 8, 2024
1948年,美国数学家()发表了题为“通信的数学理论”的长篇论文,从而创立了信息论。...
Sunday, April 7, 2024
Wednesday, October 25, 2023
Monday, September 12, 2022
Tuesday, August 15, 2023
Sunday, April 7, 2024
()提高通信的有效性,()目的是提高通信的可靠性,()编码的目的是保证通信的安全性。...
Thursday, March 21, 2024
对于香农编码、费诺编码和哈夫曼编码,编码方法惟一的是()。...
Sunday, April 7, 2024
Thursday, September 14, 2023
自信息量表征信源中各个符号的不确定度,信源符号的概率越大,其自信息量越()...
Sunday, January 7, 2024
Sunday, April 28, 2024
当p(xi)、p(yj/xi)和d(xi,yj)给定后,平均失真度是一个随即变量。...
Tuesday, March 19, 2024
Monday, April 8, 2024
Thursday, September 14, 2023
Tuesday, August 15, 2023
纠错编码中,下列哪种措施不能减小差错概率()。A、增大信道容量B、增大码长C、减小码率D、减小带宽...
Sunday, April 7, 2024
Thursday, March 21, 2024
Sunday, April 7, 2024