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Negar


Active since 2011

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rotation matrice
Hi , I have a colormap image of a blood vessel which is tilted by 10 degrees, I want to rotate it and make it horizontal. I tr...

mer än 12 år ago | 1 answer | 0

1

answer

Question


How to rotate axis?
Hi , I have got some data (simulation of a blod vessel) I want to plot by Matlab. The vessel has an angle of 10 degree positio...

mer än 12 år ago | 1 answer | 0

1

answer

Question


How does Squeeze work?
Hello all, Can anybody explain me what Squeeze is used for? I have read about it in MATLAB help but I am still confused ! ...

nästan 13 år ago | 2 answers | 1

2

answers

Question


How to shift a signal to left ?
Hello all , I have a binary stochastic signal, N=100; x1 = 2*(rand(1,N)>0.5)-1; and I want to shift it to the left ...

nästan 13 år ago | 1 answer | 0

1

answer

Question


How to count?
Hello all, I have a stochastic signal, and I want to count how many of the samples are positive,and how many are negative. Any s...

nästan 13 år ago | 2 answers | 0

2

answers

Question


Gaussian with non unit variance
Hi , how can I define a zero-mean gaussian noise with non-unit variance? I know that this command: x= randn(1,100); gives m...

nästan 13 år ago | 1 answer | 0

1

answer

Question


How to plot a time-delayed ersion of a signal ??
cananyone tell me how to plot the time-delayed version of a signal ? Imagine the simplest case, y=cos(x), I want to delay it...

nästan 13 år ago | 1 answer | 0

1

answer

Question


beamwidth vs bandwidth
Hello all , Can someone tell me what the difference between beamwidth and bandwidth is?

ungefär 13 år ago | 3 answers | 0

3

answers

Answered
How to plot this signal?
ok I think I found the answer, in order to fin psd, I should take FT of the autocorrelation function... I hope you will correct ...

ungefär 13 år ago | 0

Answered
How to plot this signal?
ufffff by the way how did you type your code? I couldn't change the font like yours...

ungefär 13 år ago | 0

Answered
How to plot this signal?
Thank you so much Zohar , it really helped :))))) Now , I have another question, how to find power spectral density of x(n)? ...

ungefär 13 år ago | 0

Answered
How to plot this signal?
Sorry but can you explain to me what you mean by 'not using first element' ? And why did you start n from 2 , and not from 1 ? ...

ungefär 13 år ago | 0

Answered
How to plot this signal?
Thank U a lot Zohar, I'll try it..

ungefär 13 år ago | 0

Question


How to plot this signal?
Hi everyone, Can anybody tell me how to define this function and plot it in Matlab? X(n) = X(n-1)+ 0.9 e(n) where e(n) i...

ungefär 13 år ago | 7 answers | 0

7

answers

Question


How to find maximum value in a plot
Hi everybody, I have a 'voltage vs time' plot, and need to find out the time which the maximum voltage is obtained, and also ...

ungefär 13 år ago | 1 answer | 0

1

answer

Question


Load .mat file
After many hours trying to figure out how to load a file, I finally gave up ! It's my first time to use Load command, So please ...

ungefär 13 år ago | 1 answer | 0

1

answer