系统编码与非系统编码信息论模型分析

讨论了信道系统编码与其相时的信道非系统编码的信息传输率损失研究。在系统编码中，信源将通过没有编码的已有信道进行传输，但同时其附加信息却用编码方式通过另外一条信道进行传输。在非系统编码中，信源将在编码后被全新信道传输。对这两种方式下的信息传输率进行了分析，计算出了一个贝努利信源经系统编码后通过二元时称信道的信息传输率，通过计算结果进一步深化比较了两种编码方案的特点。

Analysis of Information-Theoretic Model for the Systematic Coding & Non-systematic Coding

In this paper,we study the rate loss of systematic channel coding with respect to its non- systematic counterpart. In systematic coding,a source is sent uncoded through the original channel and additional information is encoded and sent through a second channel. In non -systematic coding, the source is jointly encoded and sent through the two channels, The rate loss of systematic coding is analyzed respect to non - systematic coding. Finally, we calculate the rate loss for a Bernoulli source coded systematically through a binary symmetric channel. The result accord with the conclusion.