本文章主要讲述了基于反馈和LDPC码的窃听信道建模，让大家更好的了解信道编码的知识点-This article mainly tells the story of hacking and LDPC codes based on feedback channel modeling, let people better understand the knowledge of channel coding

窃听信道模型下，基于反馈恶化窃听信道，利用极化码实现信道香农极限。(A Feedback-based Secrecy Coding Scheme Using Polar Code over Wiretap Channels)