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Hello all, I have an N-by-N matrix. I want to extract the main diagonal and d diagonals to its right and d diagonals to its l...

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Asked 8 months ago

Any help, please.

Answered 10 months ago

This is my code: clear all; clc; f=10^3.*(0:1000); alpha=(0.11.*((f.^2)./(1+f.^2))+44.*(f.^2./(4100+f))+(2...

Answered 3 years ago

Thanks Idin Motedayen-Aval for replying. Regarding the channel object proprties, I don't know where and how to use it in the cod...

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Responded 5 years ago

Any help will be highly appreciated. I just want to understand the concept to build upon for more complicated codes.

Thank you for replying, but I still don't know how to use these properties in the code, can you show me this, please? Thanks in...

Hello, I am trying to simulate the Bit Error Rate (BER) for Binary Phase Shift Keying (BPSK) over Rayleigh fading channel, and ...

Posted 5 years ago

Hello, If I have two N-by-N matrices A and B, how can I find the N-by-by matrix C such that its (m,n)th element is the max of...

2 Answers

Asked 6 months ago

Hello, I have this piece of code in MATLAB: for kk=0:N-1 for mm=0:N-1 for pp=1:Np ...

Hello all, I have a sequence d of length N samples each of duration Ts. The channel I have will scale the received samples by...

Asked 9 months ago

Hi, I have an equation for the absorption coefficient in underwater acoustic communication channel (UWA) as: alpha=0.11.*(...

4 Answers

Asked 3 years ago

Hello all, How can I generate, say 10, random numbers uniformly distributed between Nmin and Nmax, without repeating any one ...

1 Answers

Hello all, Is there any built-in function in MATLAB to generate a Gaussian noise with a specific covariance matrix R (colored...

Hello all How can I generate the following channel coefficients in MATLAB, where these coefficients correspond to a frequency...

Asked 11 months ago

Hi, I have a matrix V, which is a 5-by-2 matrix, where each row represents a point in the xy-plain. How can I connect these poi...

Asked 4 years ago

Hi, How to plot the following inequality in MATLAB in 3D: Ax<=b where A is an m-by-n matrix, x is an n-by-1 vector, and...

Hello all, I have this variable |a[k,m]=max(k*Ts+taup,m*Ts+tauq)| for |k,m=0,1,...,N-1|. I want to find the matrix A where |[...

Hello all, I have a for loop and I want to see the progress of the figure as the loop goes. Basically the code is like this: ...

Asked 7 months ago

Hello, I want to check the covariance matrix of a colored noise if it is correct. I started to see how to find the covariance...

Asked 1 year ago

Hi, I have 4 vectors x1, x2, x3, and x4 all of size N-by-1. I need to select two vectors such that their minimum values are t...

Hello all, I have in one figure 5 cases, and in each case I have 3 curves. I distinguish the curves of a single case by no li...

Hello, I have an Na-by-Nt matrix which is sparse, i.e.: most elements are zeros. I want to find the indices of the non-zeros ...

Hello, After resampling a passband signal, how can I convert it back to the baseband domain? In particular, I have the follow...

Hello, I transmit a signal over a channel that time-scale and time-shift the transmit signal. To generate the received signal...

Hello all, I attached a file that contains the math of transmitting single carrier (SC) modulated signal over frequency selec...

Asked 10 months ago

Hello all, I have in my code for OFDM system something like fft(x,N)/N. Does division by N in the discrete time equivalent to...

Hello, Suppose I have a vector of N elements, and I need to find all possible permutations {N \choose n} for n=1,2, ..., N. H...

Asked 2 years ago

Hello, I have say 4 binary sequences arranged in a matrix where the first row contains the first sequence and the second row ...

Hello, How to create the following coulumn circulant matrix in matlab: X= [ x_0 x_{p-1} .... x_{P-L} x_1 x_0 ...

Hello all, I am working on a communication system where I physically have Np triplets {hp,taup,ap}. From these Np triplets I ...

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