Community Profile # vahid torabi

### Tehran

Active since 2014

Professional Interests: music

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I want to find out which matrix (actually is a discrete plot) is more similar to another signal by using ANN
Suppose I have a group of matrixs (.mat data in workspace),I want to use ANN to discern which signal is more similar to my signa...

ongeveer 8 jaar ago | 0 answers | 0

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Question

I want to plot a equation. I've attached it. Who can Help me and do it???
Who can plot my equation? F=F(w), w0,R,L are parameters.

ongeveer 8 jaar ago | 1 answer | 0

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Question

I want to calculate transfer function of my circuit in time-domain.
I have a circuit that I need to calculate its transfer function and plot it. I've attached my circuit. who can help me to do th...

meer dan 8 jaar ago | 0 answers | 0

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Question

I want to have the transfer function of a PI model of circuit and plot it....
I've attached the circuit. R=0.0991, L=0.507 mH , C= 0.409 uF I want to plot the transfer function of pi model of circuit i...

meer dan 8 jaar ago | 0 answers | 0

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Question

How can I use Neural Network Recognition(in Matlab )to find out which signal is much more like to my signal?
Suppose I have a couple of signals (S1,S2,...Sn) and also I have an other signal Sx I want to find out how I can use neural ...

meer dan 8 jaar ago | 2 answers | 0

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I have a couple of signals(sinal 1, signal 2, ...).And I have an other signal named signal k .How can I find out that which signal has the least phase shift with Signal k??
my signals: signal 1 , signal 2 , and..... my an other signal: signal k So now I want to find out the phase shift between (s...

meer dan 8 jaar ago | 0 answers | 0

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Question

what is the Code for FFT???
I have a saved signal in workspace .mat data. I have attached the pic. plz left me the code of FFT. thank you so much. H...

meer dan 8 jaar ago | 1 answer | 0

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Question

How to transform y1(t) to Y1(S) in frequency domain.
By using of Fast Fourier Transform (FFT) in MATLAB,I want to transform y1(t) to Y1(S) in frequency domain. How can I do that?...

bijna 9 jaar ago | 1 answer | 0

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Question

I have a circuit that I want to gain its transfer function.I've attached a JPG file.
Plz look at my JPG file. How can I find its transfer function??? Thank you so much.

bijna 9 jaar ago | 1 answer | 0

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Question

I have a time domain signal.I want to calculate energy of my signal......
Suppose my signal is X(t) then I want to get Fourier Transform >>> X(f) and then I want to calculate energy of my signal......

bijna 9 jaar ago | 4 answers | 0

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Question

I want to apply a Dirac current pulse to my circuit. I'd like my current shape to be like the pic that I've attached.How should be my circuit?Please help me.
I've attached how I want my plot to be. Thank you very much.

ongeveer 9 jaar ago | 0 answers | 0

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Question

How to get FFT by FFT block in simulink?
Actually I have my discrete signal in workspace. I have my signal as time series (. mat data) I know I should use "from worksp...

ongeveer 9 jaar ago | 0 answers | 0

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Question

I have bunch of signals.and I have another signal that is one of mentioned signals but with shifted and different magnitude. How can I find out which signal shifted signal with different magnitude?
very simple example: my signals are: a=sin^2(x); b=cos^2(x)-2; c=x^3-1; d=x^2-1; and my another signal is f=4*cos^2(x-3...

ongeveer 9 jaar ago | 1 answer | 0

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How to find the first local max in a discrete signal?
I've attached my.mat data. My first max value is 0.004636 but this order gives me the first figure 0.000000003904964 !!! could...

ongeveer 9 jaar ago | 0

Question

How to find the first local max in a discrete signal?
I have the .mat data in workspace.(time and magnitude) I wanted to find the first local max in signal and its related time . c...

ongeveer 9 jaar ago | 2 answers | 0