有关水声通信中基于OFDM的多普勒频移的估计与补偿-the underwater communication OFDM-based Doppler frequency shift and the estimated compensation

掌握梳状导频和信道估计算法，实现MATLAB仿真；建立简单的系统结构和信道模型；在含多普勒频移的瑞利衰落信道下，进行含信道估计算法的OFDM系统仿真，并进行性能分析。 -Comb master and pilot channel estimation algorithm, the realization of MATLAB simulation the establishment of a simple system structure and channel model with D

采用OFDM的数据符号去估计多普勒频率，从而估计出移动台的速度-Data using OFDM symbols to estimate the Doppler frequency, thereby to estimate the speed of the mobile station