gaussian pulse
in [Matlab]
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From: darren on 20 Mar 2010 14:11 I am trying to generate a gaussian pulse of width 1 and amplitude 1, below is the code I have written, however I get an error saying exp not enough arguments. p = (1/(1 *sqrt(2*pi)))*exp^-{(1-1)^2/(2*1^2)}; t = -1:1/fs:1; figure (1);plot (p,t) Am I doing this correctly, or am I way of base.
From: Sadik on 20 Mar 2010 14:48 Hi Darren, Yes, you are way off base. :D You could start to play with this one instead: fs = 1000; t = -1:1/fs:1; p = (1/(1 *sqrt(2*pi)))*exp(-t.^2/2); plot(t,p) Best.
From: darren on 20 Mar 2010 15:59 "Sadik " <sadik.hava(a)gmail.com> wrote in message <ho3593$cog$1(a)fred.mathworks.com>... > Hi Darren, > > Yes, you are way off base. :D > > You could start to play with this one instead: > > fs = 1000; > t = -1:1/fs:1; > p = (1/(1 *sqrt(2*pi)))*exp(-t.^2/2); > plot(t,p) > > Best. Thanks very much for that help, I would have been tring to manipulate that equation for weeks. I have changed the settings to give me an amplitude of 1, but I am unable to start the curve at 0. Any ideas?
From: Sadik on 20 Mar 2010 16:11 You should have t ranging from something to the very left of 0. Something like this: t = -10:1/fs:10; If you need, you can change the lower limit of t to get a truncated but still acceptable version.
From: darren on 20 Mar 2010 17:31
"Sadik " <sadik.hava(a)gmail.com> wrote in message <ho3a4n$mb7$1(a)fred.mathworks.com>... > You should have t ranging from something to the very left of 0. Something like this: > > t = -10:1/fs:10; > > If you need, you can change the lower limit of t to get a truncated but still acceptable version. Thanks again, I now have another problem, I have to make the signal represent 1010 using bipolar signalling, I have done triangular, rectangular, but I am unable to make the gaussian signal follow the pos neg pos neg bipolar signal. Any ideas? |