RA 码及其在通信系统中的应用研究确良：重复累积码；简化译码算法；高斯估计；比特交织编码调制；光纤通 信；码率兼容码；Turbo 码交织器-RA Code and Its Application in Communication System does good: repeat accumulate codes simplify the decoding algorithm Gaussian estimation Bit-Interleaved Coded Modulation op

针对高增益的光通信用APD的边缘击穿，利用MATLAB得到APD的内部电场分布。运用该模型研究倍增层的厚度对边缘提前击穿特性的抑制程度。-The breakdown for the edge of the high-gain optical communication APD, using MATLAB APD internal electric field distribution. The use of the thickness of the multiplication layer of

some codes in matlab for optical communication