喷泉码 LT码 编译码过程 BP译码方法 高斯信道 -Fountain code LT coding-decoding process BP decoding method based on Gaussian channel

LT码在删除信道（BEC）性能分析与仿真，通过改变删除概率来测试喷泉码开销与译码成功概率之间的关系。-The LT code analyzes the relationship between the fountain code overhead and the decoding success probability by changing the deletion probability in the Delete Channel (BEC) performance analysis and