实现LTE下行信道估计，有LS、LMMSE、SVD-MMSE和线性插值、二阶插值、三次样条插值等算法-LTE downlink channel estimation, LS, LMMSE, SVD-MMSE and linear interpolation, second order interpolation, cubic spline interpolation algorithm

该程序进行了简单的LMS信道估计，没有加入与MMSE等其他信道估计算法的比较；-The program for a simple LMS channel estimation, there is no comparison algorithm and MMSE join other channels and other estimation