itsik

Con actividad desde 2011

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problem to show the axis
i know but how to use ylim? like if i have this plot(t,x1,t,x2)

casi 15 años hace | 0

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problem to show the axis
hello to u! i have a problem when i make a plot of graph and in 'y' axis i have parameters between 0:300 and i want to show on...

casi 15 años hace | 2 respuestas | 0

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white gaussian noise
hello to u! i have a problem when i use awgn lets say i have this signal x=cos(2*pi*f*t) and then i do that x_noise=awg...

casi 15 años hace | 1 respuesta | 0

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Buffer input error in simulink
hi to all i'm working with simulink, and im trying to see the signal with spectrum scope and i get an error message : ...

casi 15 años hace | 1 respuesta | 0

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Problem with simulink functions
hello to all im working with simulink, and i have a question i want to make a block of " matlab function" and i dont ...

casi 15 años hace | 1 respuesta | 0

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trying to accounting the number of zeros in random script
thanks all of u but i used this code: a=randint(1000,1); numel(a(a==0)) and it helped me!!!

casi 15 años hace | 0

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trying to accounting the number of zeros in random script
hello lets say i have this random script w=randint(1000,1) and i want to know how many 'zeros' there are in this script wh...

casi 15 años hace | 3 respuestas | 0

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bit eror rate
hello lets say i have this random bits bits= randint(1,1000) and after few math functions i get x=(1,1000) how do i ...

casi 15 años hace | 1 respuesta | 0

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problem to make an ofdm modulation
hello if i have a 4qam symbols and i want to make ofdm modulation to them is that corect to make that before i make the ifft:...

casi 15 años hace | 2 respuestas | 0

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how to convert function from time domain to frequency domain?
hello i have this function: H(w)=(1+a)/a+bz+c while a,b,c are function that dipend on 'w' like a=jwc b=cosh(w*l) so ...

casi 15 años hace | 1 respuesta | 0

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Question about FFT
hello to all supposed that i have a matrix of 10 values [1x10] and i want to sample it by IFFT to get 1000 samples ,i get a m...

casi 15 años hace | 2 respuestas | 0

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problem to make fft
hello i have this code and i want to make the fft for it to make the same bits as i start with can u help me?> thanks alot ...

casi 15 años hace | 1 respuesta | 0

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reshape matrix
thank u so much my friend and i have another question how do i filter all the zeros so i can get only A= 111 111 ...

alrededor de 15 años hace | 0

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reshape matrix
this is the first matrix 00001110000 00001110000 00001110000

alrededor de 15 años hace | 0

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reshape matrix
i have this matrix 00001110000 00001110000 00001110000 and i want to make it like that 11100000000 1110000000...

alrededor de 15 años hace | 3 respuestas | 0

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whats this line do?
ok so what this is do? where is the fft take a place? lets say x=[10 X 1000] y=[zeros(10,20000),x,zeros(10,20000)]; ...

alrededor de 15 años hace | 0

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whats this line do?
y=[zeros(10,20000),x,zeros(10,20000)]; y2=abs(fftshift(fft(real(y(2,:)))))/length(y); thanks!!!

alrededor de 15 años hace | 2 respuestas | 0

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problem with 'sum' command
u right my friend bu im asking that, maybe there is a way to sample the sum(x) and mak an fft to open it?

alrededor de 15 años hace | 0

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problem with 'sum' command
hello if i have this code: x=[10,1000] a=sum(x) i get after the sum that a=[1,1000] so i need to find the inverse co...

alrededor de 15 años hace | 2 respuestas | 0

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trying to make fft for this ifft code
hello this code simulated for ifft im trying to do the inverse for find the fft but i failed can u help me? thanks!! ...

alrededor de 15 años hace | 1 respuesta | 0

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change ifft code to 'ifft' command
yes exacly its possable? or maybe there is an option to make fft loop that converte bake the ifft loop?

alrededor de 15 años hace | 0

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change ifft code to 'ifft' command
does someone's know how do i change this code to ifft command? (the ifft part at the code) thanks!! N=10; fs=1e6; T...

alrededor de 15 años hace | 3 respuestas | 0

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problem with fft
maybe someone's know? or how to replace all this code in ifft command?

alrededor de 15 años hace | 0

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problem with fft
cause i need the length of the fft will be 1000 do u know how i make it? with fft?

alrededor de 15 años hace | 0

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problem with fft
hello i have this program that make ifft for some random vary maybe someone can help me with the fft? thanks N=10; fs=1...

alrededor de 15 años hace | 3 respuestas | 0

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problem with a line
hello maybe somebody can explain me this line? [Pxx,W] = pwelch(st,[],[],4096,20); and what is the inverse command fo...

alrededor de 15 años hace | 1 respuesta | 0

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problem with for loop
thank u very much for your help!!!!!!!!

alrededor de 15 años hace | 0

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demodulation problem
hello i've tried to make demodulation for this program but i have a problem i think the command 'pwelce' make the 2058 bits in...

alrededor de 15 años hace | 0 respuestas | 0

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problem with for loop
[EDIT: Wed May 18 18:21:13 UTC 2011 - Merged Answers - MKF] ok i tried it but it still doesnt work this is the code maybe som...

alrededor de 15 años hace | 0

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problem with for loop
hello i try to make a for loop but i need the jumps between the numbers will be in factor of 10 lets say there is a for loop l...

alrededor de 15 años hace | 5 respuestas | 0

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