function?[tfrtf]?=?tfrstft（xtNhtrace）;
%TFRSTFT?Short?time?Fourier?transform.
%	[TFRTF]=TFRSTFT（XTNHTRACE）?computes?the?short-time?Fourier?
%	transform?of?a?discrete-time?signal?X.?
%?
%	X?????:?signal.
%	T?????:?time?instant（s）??????????（default?:?1:length（X））.
%	N?????:?number?of?frequency?bins?（default?:?length（X））.
%	H?????:?frequency?smoothing?window?H?being?normalized?so?as?to
%	????????be??of?unit?energy.??????（default?:?Hamming（N/4））.?
%	TRACE?:?if?nonzero?the?progression?of?the?algorithm?is?shown
%	?????????????????????????????????（default?:?0）.
%	TFR???:?time-frequency?decomposition?（complex?values）.?The
%	????????frequency?axis?is?graduated?from?-0.5?to?0.5.
%	F?????:?vector?of?normalized?frequencies.
%
%	Example?:
%	?sig=[fmconst（1280.2）;fmconst（1280.4）];?tfr=tf

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-10-22?19:25??stft_wvd\
?????文件????????2572??2010-03-31?20:30??stft_wvd\tfrstft.m
?????文件????????2290??2010-03-31?20:30??stft_wvd\tfrwv.m