介绍信号处理在通信系统中的应用发展趋势，其中包括智能天线介绍与Turbo迭代均衡处理算法介绍。在最后给出了基于Matlab仿真的Turbo均衡算法的性能曲线。-Describes trends in signal processing applications in a communication system, including the introduction of smart antenna processing algorithms introduced Turbo iterative equalization. Finally, the performance curves in Matlab-based simulation of Turbo equalization algorithm.