文件名称:jifenlvboqi
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为了解决软件无线电通信系统中频采样之后的极大数据量在基带处理部分对DSP计算的压力,常采用多速率处理技术.多速率处理过程中需要使用积分梳状滤波器、半带滤波器和高阶FIR滤波器.在分析了积分梳状滤波器的结构和特性的基础上,阐述了多级CIC滤波器一种高效的FPGA实现方法,该方法的正确性和可行性通过Quartus Ⅱ的时序仿真分析得以验证,实际中可以推广应用.-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.
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积分梳状滤波器的FPGA实现.pdf
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