Introduction - If you have any usage issues, please Google them yourself
In order to solve software-defined radio communications system after IF sampling of great amount of data to the DSP in the baseband processor part of the calculation of the pressure, often using multi-rate processing technology. Multi-rate processing need to use the integrator comb filter, half-band filters and high-order FIR filter. in the analysis of the integrator comb filter structure and characteristics, based on the multi-stage CIC filter described an efficient FPGA implementations, the correctness and feasibility of the method adopted by the timing Quartus Ⅱ simulation analysis can be verified in practice can be applied.