基于FPGA的32阶FIR滤波器设计，研究了一种采用FPGA实现数字滤波器硬件电路方案；讨论了窗函数的选择、滤波器的结构以及系数量化问题-32 order FIR filter design based on FPGA, an FPGA implementation digital filter hardware circuit program　discussed the choice of the window function, the structure of the filter coefficient quantization problem