这是一个基于matlab的文档，内容是基于BEM的LS信道估计，里面包含3个.m文件-This is a matlab-based document, the contents are based on the LS channel estimation BEM, which contains three. M files

用于快时变信道的信道估计算法，基于BEM实现(The channel estimation algorithm for fast time-varying channel is implemented based on BEM)