FIR数字滤波器的实现，采用Kaiser窗实现高精度的地痛滤波器。-The realization of FIR digital filter using Kaiser window filter to achieve high accuracy in pain.

各种模块实现10阶FIR滤波器,用matlab中的fdatool计算出设计的滤波器的系数，再利用VHDL编写各模块程序，实现滤波器-Various modules to achieve the10order filter based on FIR, using MATLAB FDATool calculates the design of the filter coefficients, then use VHDL to prepare procedures for each module, t