ayman daraghmah

自 2015 起处于活动状态

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统计学

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

9 years 前 | 1 个回答 | 0

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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...

9 years 前 | 1 个回答 | 0

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

9 years 前 | 1 个回答 | 0

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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...

9 years 前 | 2 个回答 | 0

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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 ...

9 years 前 | 1 个回答 | 0

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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);

9 years 前 | 1 个回答 | 0

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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.

9 years 前 | 1 个回答 | 0

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