超寬帶uwb,包括:uwb.mdl: uwb model - open this to begin.
uwb_lib.mdl: Library blocks for uwb model.
uwb_init.m: Initialization called before model is loaded.
uwb_settings: Sets up structure containing system parameters ( uwb in workspace).
uwb_imr.m: Initializes uwb channel impulse response.
uwb_sv_*.m: Four M-files used to generate channel impulse responses (MAT files).
