viterbi_block_pkg.vhd

这是一个计算维特比译码的程序

LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;

PACKAGE viterbi_block_pkg IS
  TYPE vector_of_std_logic_vector4 IS ARRAY (NATURAL RANGE <>) OF std_logic_vector(3 DOWNTO 0);
  TYPE vector_of_std_logic_vector2 IS ARRAY (NATURAL RANGE <>) OF std_logic;
END viterbi_block_pkg;