Abdelrhman Abdelfatah
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Question
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(...
nästan 2 år ago | 1 answer | 0
1
answerQuestion
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...
nästan 2 år ago | 1 answer | 0
1
answerQuestion
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 ...
nästan 2 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 2 år ago | 0 answers | 0
0
answersQuestion
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...
ungefär 2 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 2 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 2 år ago | 1 answer | 0
1
answerQuestion
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))...
ungefär 2 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 2 år ago | 0 answers | 0
0
answersQuestion
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...
mer än 2 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 2 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 2 år ago | 1 answer | 0
1
answerunit 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)...
mer än 2 år 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...
mer än 2 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 2 år ago | 0 answers | 0
0
answersQuestion
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...
mer än 2 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 2 år ago | 2 answers | 0
2
answersQuestion
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...
nästan 3 år ago | 0 answers | 0
0
answersA 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...
ungefär 3 år ago | 0
| accepted
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...
ungefär 3 år 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.. ( ...
ungefär 3 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 3 år ago | 1 answer | 0