复杂多变的大气环境极易造成星地光链路的突发错误,交织RS码超强的抗突发能力能有效地纠正信息序列中的突发错误。文章综合考虑时延、交织深度、编码效率三个参数,对交织RS码进行优化设计,计算了固定交织深度下的最佳编码效率,仿真表明:交织RS码在衰落信道中能明显地提高通信系统的性能,当编码效率为1/2时,具有最大的抗突发能力。 The complex and volatile atmospheric environment can easily cause burst errors in the optical link to the ground. The superior anti-burst ability of interleaved RS codes can effectively correct the burst errors in the information sequence. Considering the three parameters of time delay, interleaving depth and coding efficiency, we optimize the interleaved RS code and calculate the best coding efficiency at fixed interleaving depth. The simulation shows that the interleaved RS code can obviously improve the communication in the fading channel System performance, when the coding efficiency is 1/2, with the greatest anti-burst capability.