CA_Code_Generator.vhd用于生成GPS的32颗卫星的CA码程序，经过测试验证并消除了毛刺；CA_TEST_BENCH.vhd内带测试程序，直接可调用MODELSIM进行测试验证，留有用户接口，方便用户产生其他卫星的CA码。-CA_Code_Generator.vhd used to generate the 32 GPS satellites CA code program, tested and verified to eliminate the burr　CA_TEST_BENCH.vhd test procedures within the zone, you can call MODELSIM directly test validation, leave the user interface, user-generated other satellites The CA code.