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基于Xilinx System Generator for DSP工具,在现场可编程逻辑门阵列(FPGA)硬件平台上为了研究FIR滤波器的设计及实现技巧,给出了一个18阶的FIR数字低通滤波器滤波的实验,从滤波器的滤波效果和资源利用率等方面进行了分析,获得了针对不同型号的FPGA芯片和在不同硬件资源环境下,如何选择最优的设计实践方法的结果,得出了使用已封装好的Ipcore来实现所设计的滤波器,不但简单方便,可以减少系统的开发时间,又能有效的利用硬件资源,为最佳选择的结论。
Based on the Xilinx System Generator for DSP tool, an FIR digital low-pass filter with 18-order FIR filter is designed to study the design and implementation of the FIR filter on the field programmable gate array (FPGA) hardware platform. The filtering effect and the resource utilization rate of the filter are analyzed. The results of how to choose the best design practice method for different types of FPGA chips and different hardware resources environment are obtained, and the results of using the encapsulated Ipcore to achieve the design of the filter, not only simple and convenient, can reduce system development time, but also make effective use of hardware resources, the best choice for the conclusion.