数字滤波器,能够通过,希望可以帮到各位 librarywork; usework.eight_bit_int.all; libraryieee; useieee.std_logic_1164.all; useieee.std_logic_arith.all; entityfirfilteris port(clk:instd_logic; x:infbyte; y:outfbyte); endfirfilter;