Mary Jon

Actif depuis 2013

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I student in the Engineering College
Professional Interests: matlab

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Question

how can I install matalb 2015b (32 bit) win 10 pro
When the install process in progress this message appear (The application encountered an unexpected error and needs to close. Yo...

presque 10 ans il y a | 1 réponse | 0

1

réponse

Question

Can I enhancement the Image by using window (any window)?
Hi all.... my Question is how can do Kaiser window on matrix of 128 by 128 by 128 ? thanx

plus de 11 ans il y a | 1 réponse | 0

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Question

what is the x-axis in the figure represent ? frequency, samples?
Hi all.... I so confusing really! I Have this code Fs = 20000; t = 0:1/Fs:0.01; fc1=200; x = 10*sin(pi*fc1*t) ...

plus de 11 ans il y a | 1 réponse | 0

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Question

How can I write micro in the xlable (micro second)
can I write the symbol of micro in the xlabel?

presque 12 ans il y a | 2 réponses | 0

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Question

what happens to amplitude of signal with amplitude 10 after psd?
if the amplitude of signal is 10 when I used this code to find psd the new amplitude become 10*10^5 xDFT_psd = abs(fft(x)....

presque 12 ans il y a | 1 réponse | 0

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Question

Approximate the variable in the workspace to one digite ?
Hi all I am have 1000 variables in the workspace, each one have five digits after the comma like 50,44444 How aproximate...

presque 12 ans il y a | 3 réponses | 0

3

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Question

amplitude of (signal) after FFT operation?
I have this code, I am suppose sin of amplitude 10 with frequency 200hz and sampling frequency 20000 hz and do FFT on this signa...

presque 12 ans il y a | 4 réponses | 1

4

réponses

Question

Enter input arguments by typing them now?
Hi all I am have this problem, when click run the prog. the prog. asked me to enter the input argument by typing it? whe...

environ 12 ans il y a | 1 réponse | 0

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Question

how can do spheroidal window in matlab?
can I used spheroidal window in matlab ,Idont found it in matlab??

plus de 12 ans il y a | 1 réponse | 0

1

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Question

The fundamental of signal
Hi all Iam want to learn how calculate the total harmonic distortion of this signal in the code below? Because I dont know t...

plus de 12 ans il y a | 1 réponse | 0

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Question

can I used Brush tool two time in same figure.
How can I used the Brush Tool two time in same figure? where I can used it one time but if I used it again, delete the first t...

plus de 12 ans il y a | 1 réponse | 0

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Question

electric field distribution above the contour as continuous lines ?
this code calculate electric field distribution % Plot the electric field distribution figure; v; [ex,ey]=gradient(v)...

plus de 12 ans il y a | 1 réponse | 0

1

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Question

the superscript in the textbox in the figure?
How can I put (degree) the degree of temperature Celsius in the text box inside the figure? ex: C to the power (Celsius)

plus de 12 ans il y a | 6 réponses | 0

6

réponses

Question

Plot the electric field distribution ?
how Plot the electric field distribution above the contour ? % Plot the electric field distribution figure; v_now; [ex...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question

plot 3-D figure in matlab
The length of x-axis is 100, I get half this length from the (Property-Editor-Axis), when I rotate this figure to get specif...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question

key of matlab R2013b
How I get the key (patch)of the matlab R2013b

plus de 12 ans il y a | 2 réponses | 0

2

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Question

I want to get implus from sin
what is modification on this code to get dirac delta from pure sin wave? fc=10,fs=2*fc=20 t=1:1/fs:1 a=sin(2*pi*fc*t) ...

plus de 12 ans il y a | 1 réponse | 0

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Question

matlb R7,and The instruction ( thd(x)) ?
I have matlab R7 , But when used instruction thd(x) in M file get this message? ??? Undefined command/function 'thd'.

plus de 12 ans il y a | 2 réponses | 0

2

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Question

Fundamental of power spectral density PSD?
,How can specifying the Fundamental?can I take mean value? How can I specifying all other harmonic in this signal ,first ,secon...

plus de 12 ans il y a | 3 réponses | 0

3

réponses

Question

sin wave with difference sampling frequency?
How can generate sine() with 100 ,150,1000,1500 ,sampling frequency ?

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question

How can get dirac delta function ?
how can get dirac delta function from sin wave ?after fft and kasier window to this sin wave ?

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question

matrix column vectors, and its elements?
IF I have this column vectors,as example A=[0;1;2;3;4;5;6;7;8;9;10]; how can rearrangement its like thas, A=[5;6;7;...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question

while loop iteration in matlab?
If I am have this code as example while(A>0.0000001); statment . . . end How can save value of A to each iter...

plus de 12 ans il y a | 3 réponses | 0

3

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Question

Taylar window(Kaiser) ,hamming,hanning window?
How difference between these three windows? If Iam have signal(row vectrors) with length(32) ,How applied this three windows ...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question

power spectral density PSD?
If I am have signal with length(33),or 13 signals each with length(33), How finding PSD to each signal individually?and plot it...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question

variable with respect to i and j and k ?
If Iam have variable A with respect to i and j,the loop include this variable is, for i=1:10 for j=1:10 A(i,j)=statment...

plus de 12 ans il y a | 1 réponse | 0

1

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Question

Extract one element from row vectors?
I have row vectors how can I extract one element from this vector; A=[1 2 3 4 5]; how extract max value (5)from A MATRIX ...

plus de 12 ans il y a | 2 réponses | 0

2

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Question

Total harmonic Distortion of m-th signal
I have 13 signal (row vectors matrix )or (column vectors matrix), How can find the max value of each one and square this value...

plus de 12 ans il y a | 1 réponse | 0

0

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Question

values in the array editor? I need to reused it again
I have column vectors with length 33 in the array editor how can copy the value from array editor to new m-file ?

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question

hanning ,hamming window in matlab?
how do Hanning and Hamming window in matlab? when must I do these window after DFT signal or before DFT signal?

plus de 12 ans il y a | 3 réponses | 0

3

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