Community Profile # Arsalan

### DCU

Active since 2012

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Question

Simple Back to Back LTE tx system
Hi, I am pretty new to the LTE toolbox in matlab. It looks as this toolbox covers every aspect of LTE protocolling and is qui...

7 years ago | 0 answers | 0

### 0

Nonlinear curve fitting, how to ?
Hi, The issue was with the ordering of my four initial condition two were two high in value. the fitting is as follows now ...

8 years ago | 0

Question

Optimizing Multivariable equations simultaneoulsy
I have 4 equations as shown below, with 4 known constants A0 B0 A1 and B2, and 9 unknown constants g, S, eS, tn, OCF, N, Nt, t...

8 years ago | 0 answers | 0

### 0

Question

Nonlinear curve fitting, how to ?
Hi, I have two nonlinear functions defining the response of a system in frequency domain H(f;Y0,Z0)= Z / ((j*2*pi*f)+(j*...

8 years ago | 2 answers | 0

### 2

Question

Importing large binary information
Hi, I have a text file with a large number of binary information formed into groups of 10 bits, were each group is either sep...

9 years ago | 1 answer | 0

### 1

solving a differential equation

9 years ago | 0

finding approximate indices in a monotonically increasing array
Hi Guys, thanks for your suggestions, I never knew about the use of some of this commands before. but I found much more efficien...

9 years ago | 0

Question

finding approximate indices in a monotonically increasing array
I need to find the indices of an entry in a monotonically increasing array, where the value of this indices is "ref"(as shown be...

9 years ago | 4 answers | 0

### 4

How can i calculate the signal to noise ratio of a signal without knowing signal or noise power?
Usually in Experimental work. people use the spectrum of the signal to distinguish the SNR. Thus I would assume if you change yo...

9 years ago | 0

Recommendation for Student taking Antennas
yes, depends on what will be thought

9 years ago | 0

Matlab code of Chebyshev type 2
Its pretty simple to design digital filters in matlab as opposed to languages such as C or C++ or Java. this is because matlab h...

9 years ago | 0

| accepted

Extract noise and apply it at other data
If you are able to produce the original data which has not passed through any system, attain its spectral proporties, followed b...

9 years ago | 0

Question

Power calculation of various frequency components in a time varying signal
Hi, Just wanted to see if I am carrying out an apporporiate steps to achieve my aim. I am have time varying signal x(t) or...

9 years ago | 1 answer | 0

### 1

Question

Adding and generation of poisson noise to a time varying signal
Hi, My questions is to do with addition of noise to a predefined signal. Assume I have predefined a time_varying signal i...

9 years ago | 3 answers | 0

### 3

collecting "like terms" in an equation using symbolic toolbox
My apologizes for using the term linear equation (it should of been used there). I just want the symbolic toolbox to give me fac...

9 years ago | 0

| accepted

Question

collecting "like terms" in an equation using symbolic toolbox
if I have a equation of such syms gamma vg gn Va N0 deltN Ntr eps S0 deltS taop beta B k Sinj phi0 deltPhi phi_inj ...

9 years ago | 2 answers | 0

### 2

creating a waveform to send to Tabor's ww5061 arbitrary waveform generator
mmmm. I cant quite understand why it would require a .wav file, as most of this AWGs would only require a equivalant txt file, w...

9 years ago | 0

Matlab exits unexpectedly after simple plot
Hi, I am quite new to Matlab. you are saying that the plotting works by reducing the number of points, thus I can imagine tha...

9 years ago | 0

Question

Speeding Up the ODE solver algorithm for a given time dependent input
Hi, I am currently looking for a way to modify my code such that it will require shorter computation time, for solving a syst...

9 years ago | 1 answer | 0

### 1

ODE solver, how to pass a vector value used in the differential equations
Thanks Jan, It works like a charm. your right about the the claim that "numeric cannot be counted to science" but in this case w...

9 years ago | 0

Question

ODE solver, how to pass a vector value used in the differential equations
Hi, I am solving a system of differential equations of the following format: dy = single(t, y, J) dy(1) = (A*(y(3...

9 years ago | 3 answers | 1