本代码是基于OFDM系统的一种转换域估计算法，有整个OFDM系统及改进的信道估计算法仿真。包括LS,MMSE,LMMSE,DFT,及改进后的DCT算法。-The code is based on the OFDM system, the conversion of a domain estimation algorithm, the OFDM system and revamp the entire channel estimation algorithm for the simulation.

DFT矩阵的matlab实现,广泛应用于各种DFT的实现以及电路应用-the implementation of the DFT matrices，it can be widely used in different kinds of circuits.

信号处理中的振幅谱和相位谱以及谱密度估计等-1) Calculation of: - One-sided amplitude spectrum - One-sided phase spectrum - Vector of frequencies. 2) The function can plot: - One-sided amplitude spectrum - One-sided phase spectrum. Two examples are g

一种多波束阵列天线系统发射通道幅相误差环路校正方案。采用了经过空域DFT变换的m/WH复合正交码作为校正测试信号。-A multi-beam array antenna system loop transmit channel amplitude and phase error correction scheme. After airspace using DFT transform m/WH complex orthogonal code as calibration test signal.

几种信道估计算法，LS，DFT，MMSE，学习信道估计的同学可以参考参考-Several channel estimation algorithms, LS, DFT, MMSE, learning channel estimation students can refer to the reference