说明：  基于simulink的OFDM和UWB仿真程序，带有matlab R13和R14两个版本源程序，是学习OFDM特别是UWB的最佳入门材料
(Simulink based OFDM and UWB simulation programs, with two versions of MATLAB R13 and R14 source programs, are the best introductory materials for learning OFDM, especially UWB)