用matlab设计一个抽取率为2的CIC抽取滤波器和插值率为2的插值滤波器,Using matlab to design a decimation rate of 2 of the CIC decimation filter and interpolation rate of 2 of the interpolation filter

LTE下行链路信道估计，两发两收天线。基于导频的LS加插值仿真-LTE downlink channel estimation, two rounds of the two received antenna. Pilot-based simulation of LS plus interpolation