function?[ycysye]?=?gauspuls（tfcbwbwrtpr）
%GAUSPULS?Gaussian-modulated?sinusoidal?pulse?generator.
%???YI=GAUSPULS（TFCBW）?returns?samples?of?the?unity-amplitude
%???Gaussian?RF?pulse?with?center?frequency?FC?（Hertz）?and
%???fractional?bandwidth?BW?at?the?times?indicated?in?array?T.
%???Note?that?BW?must?be?>?0.??By?default?FC=1000?Hz?and?BW=0.5.
%
%???YI=GAUSPULS（TFCBWBWR）?specifies?the?optional?fractional
%???bandwidth?reference?level?BWR.??The?pulse?bandwidth?is
%???100*BW?percent?as?measured?at?a?level?of?BWR?dB?with?respect
%???to?the?normalized?signal?peak.??By?default?BWR=-6?dB.??Note?that
%???BWR?must?be?%???than?the?peak?（unity）?envelope?amplitude.
%
%???[YIYQ]=GAUSPULS（...）?returns?both?the?in-phase?and?quadrat