3_3_function ............\acquisition.asv ............\acquisition.m ............\code_generator.m ............\DSSS-PN ............\func_acquisition.m ............\func_despreading.m ............\func_generation.m ............\func_main.m ............\func_modulate.m ............\func_tracking.m ............\g_bitstream.m ............\matched_data.mat ............\spread_I.mat ............\temp_acqui.m ............\trans_sig_I.mat