度序列优化时LDPC码设计的关键一步。本程序利用粒子群算法优化LDPC码度序列，速度较快。压缩包包括程序，优化结果，与比较文献。-Optimizing the degree sequence of a key step in designing LDPC codes. This process utilizes particle swarm optimization of LDPC code degree sequence, faster. Compressed package includes

基于分段非线性权重值的Pso算法，实现用SDRAM运行nios，同时用SRAM保存摄像头数据，LDPC码的完整的编译码。- Based on piecewise nonlinear weight value Pso algorithm, Implemented with SDRAM run nios, while saving camera data SRAM, Complete codec LDPC code.

基于分段非线性权重值的Pso算法，matlab程序运行时导入数据文件作为输入参数，LDPC码的完整的编译码。- Based on piecewise nonlinear weight value Pso algorithm, Import data files as input parameters matlab program is running, Complete codec LDPC code.