samer@34: function y=linchirp(fs,f0,f1,t)
samer@34: % linchirp - Linear chirp
samer@34: %
samer@34: % linchirp ::
samer@34: %    F:real ~'sampling frequency',
samer@34: %    real ~'initial frequency',
samer@34: %    real ~'final frequency',
samer@34: %    D:nonneg ~'duration'
samer@34: % -> [[1,D*F]].
samer@34: 
samer@34: y=chirp(0:(1/fs):t,f0,t,f1,'linear',-90);
samer@34: