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大容量数字无线通信系统对多径传输引起的传播恶化很敏感,所以抗多径衰落技术是数字通信中研究重要课题之一。本文分析了几种主要的抗多径衰落技术,并用Matlab仿真了这些技术对通信系统性能改善的情况,此得出一些结论。这些结论对研究不同衰落下的校正方案、设计最佳均衡器结构等有参考价值。
The large-capacity digital wireless communication system is sensitive to the propagation deterioration caused by multipath transmission. Therefore, anti-multipath fading technology is one of the important topics in digital communication research. This article analyzes several major anti-multipath fading techniques, and Matlab simulation of the performance of these technologies to improve communications systems, which come to some conclusions. These conclusions have reference value to study the correction scheme under different fading and design the best equalizer structure.