"se chss" wrote in message <firstname.lastname@example.org>... > the concept of snr is Ps/Pn. > > the concept of psd is distribution of power in the frequecy domain. > > Ps of snr is time domation power. > > can we define snr(f)?? or connection of psd and snr? > > is there matlab code relating these idea?
These may be of some help: dspdata.psd snr
They're both in the Signal Processing Toolbox and fairly well documented with examples.