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Abdelrhman Abdelfatah


Last seen: 7 maanden ago |  Active since 2021

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Issue defending a variable in MATLAB APP Desinger
I have a button taking a value from the user % Value changed function: Freq_input2 function Freq_input2ValueChanged(...

bijna 2 jaar ago | 1 answer | 0

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answer

Question


Why my variable is not defined in this scope?
I have the following function dq_k = []; for i1 = 1:numel(d_k) if (d_k(i1) <= dR(end) && d_k(i1) >= dR(end-1)) % gre...

bijna 2 jaar ago | 1 answer | 0

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answer

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Reversing a function at the Receiver side
Hello all, I have the following code: %%%%%%Reciver intial_value = 0; x_hat = []; %% Predictator %%OLD if p == 1 ...

bijna 2 jaar ago | 1 answer | 0

1

answer

Question


Help with creating a function which is dependent on the array previous values
Hello, I need to create a first order or a second order Predictar and the user get to decide which order he wants. And the pr...

bijna 2 jaar ago | 0 answers | 0

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Designing a DPCM encoder and decoder with a Quantization being either Mid-Rise or Mid-Tread
Hello, I want to desing a DPCM encoder and decoder, and I need it to be more flexible in terms of Applications. Thus, I want...

bijna 2 jaar ago | 1 answer | 0

1

answer

Question


Help rewriting a function using If statements and For Loop
Hello everyone, So I have the following code, which is a simple Quantization, that check the value of each element in an arra...

bijna 2 jaar ago | 1 answer | 0

1

answer

Question


Issue with doing FM on SIMULINK
Hello, I want to run the following Model, but it keeps giving me that error how can I fix it please? Secondly, I want to repl...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


Need help with getting a function to SIMULINK
Hello, I am producing a FM Signal using the following message signal fs=1000; t = 0:1/fs:2; m =@(t) -sawtooth(2*pi*(t+0.5))...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


Computing the Fourier transfer of a function
I am asked to write a code to compute FT of this signal x(t) = -1/2 * |x| +1 But, the instructions restrict us with only 7 l...

meer dan 2 jaar ago | 0 answers | 0

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answers

Question


Output of an LTI System through both Fourier transform and Convolution
I have an LTI System x(t) and h(t), and i want to get the output twice, one time using Convolution, and another time using Fouri...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Plotting a time domain Signal
I want to plot the continuous time domain signal for the following spectrum: and here is what i have done so far, are ther...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Need help with Fourier Transform of a function
Hello, I need to get fourier transorm of a function y(t) which is a byproduct of x(t) and some trig function. my issue is t...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Answered
unit step function to MATLAB
You need to use Symbolic Math Toolbox syms x(t) y(t) x(t) = piecewise((t>-0.5)&(t<0.5),2.5,0) y(t) = piecewise((t>-3)&(t<0)...

meer dan 2 jaar ago | 0

Question


Use only a certain range of values for a function
Well, I do really have a simple question that i have been looking around for a good answer to. I have a function z which is a...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Cancelling the Echo for a Generated Function using Convolution
So I generated an Echo for a function using Convolution, using the following code [y,Fs] = audioread('Test1.wav'); %Defi...

meer dan 2 jaar ago | 0 answers | 0

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answers

Question


Generating an Echo for an Audio Signal using Convolution
[y,Fs] = audioread('Test1.wav'); delay=0.8*Fs; %Delay attenuation_factor=0.4; h=zeros(1,delay);%Impulse h(de...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


Need help with generating an echo for an Audio signal
Hello, I want to generate an echo for an audio signal, then output both signals (the orginal, and the delayed( and attenuated) v...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


Problem with Integration of a function
So, I was working on project to calculate the sinking time of a ship, I draw it on SolidWorks, and calculated its Volume, and in...

bijna 3 jaar ago | 0 answers | 0

0

answers

Answered
A problem with recalling a function
Okay I fixed it, by making the output figure, and recalled the function name in another code, and it worked perfectly funct...

bijna 3 jaar ago | 0

| accepted

Answered
System of linear equations
Check if this is what u wanted syms x y y1=(1/3)*(5-x); y2= 2*x-17 figure fplot (y1,[0,50],'r') title('System of Lin...

bijna 3 jaar ago | 1

| accepted

Question


A problem with recalling a function
So I have a code, that calculate the output voltage at the three Nodes of an RC Circuit based on the user's Input frequncy.. ( ...

bijna 3 jaar ago | 1 answer | 0

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answer

Question


I need help solving RC circuit using Leplace inverse, then graph the output which is in the symsum form
So I solved the following Ciruit using Leplace Transform, as I want to find the output on V3. and this is what I got t...

bijna 3 jaar ago | 1 answer | 0

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answer