中文说明：OFDM信道估计，目前做到了LS估计，对于一些基本的设置都有详细的说明，比如说调制解调、添加循环前缀、删除循环前缀、快速傅里叶变换、快速反傅里叶变换、子载波数、信道过程模拟都有详细的说明，便于初学者学习
English Description：
For OFDM channel estimation, LS estimation has been achieved at present. There are detailed descriptions for some basic settings, such as modulation and demodulation, adding cyclic prefix, deleting cyclic prefix, fast Fourier transform, fast inverse Fourier transform, number of subcarriers and channel process simulation, which are convenient for beginners to learn