photo

ayman daraghmah


Actif depuis 2015

Followers: 0   Following: 0

Statistiques

  • Thankful Level 1

Afficher les badges

Feeds

Afficher par

Question


what does this code do ?
r1=r1(:,1:length(r1)-1)

environ 9 ans il y a | 1 réponse | 0

1

réponse

Question


how to use the fft and fftshift commands ?
generate a 10 kHz sinusoid sampled at 100 kHz. Plot four cycles of the signal. Also plot the spectrum of this signal in the int...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


plot a discrete signal
[x,fs2,nbits2]= wavread('w.wav'); stem(x); I want to plot a 20 samples section of x.

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


make a vector from wave sound
[x,fs,nbits] = wavread('w.wav'); %sound(x,fs); h = zeros(1,4000); h(1) = 1; h(1000) = 0.25; h(2000) = (1/16); h(3...

plus de 9 ans il y a | 2 réponses | 0

2

réponses

Question


generate a signal with specific frequency and sampling rate
I want to generate a one-second discrete signal with three frequencies; 500Hz, 1.5KHz and 3.5KHz and sampling frequency Fs=8KHz ...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


plot summation of shifted discrete signals
n=-4:2; y=[1,-2,4,6,-5,8,10]; n=n-2 stem(n,y); I want to plot Z = y(n-2)+y(n+1);

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


plotting a discrete signal that starts from -2
x=[1,-2,4,6,-5,8,10]; stem(x); i want to plot x , but x(0)=-5.

plus de 9 ans il y a | 1 réponse | 0

1

réponse