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Talha Rahman


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Last seen: 12 mois il y a |  Actif depuis 2011

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A résolu


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

plus de 11 ans il y a

A résolu


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

plus de 11 ans il y a

A résolu


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

plus de 11 ans il y a

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

plus de 11 ans il y a

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

plus de 11 ans il y a

A résolu


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

plus de 11 ans il y a

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

plus de 11 ans il y a

A résolu


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

plus de 11 ans il y a

A résolu


Add two numbers
Given a and b, return the sum a+b in c.

plus de 11 ans il y a

A résolu


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 11 ans il y a

Question


About Time varying Channel
Dear All, I am dealing with time varying-ness of a fading channel. In time varying fading channel ....the channel varies with...

presque 12 ans il y a | 1 réponse | 0

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Question


.wav file and subcarrier numbers in Multicarrier systems
Dear all, I have a confusion here. I am implementing a system in which input is an audio file ".wav". and when i convert this...

environ 12 ans il y a | 1 réponse | 0

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Question


Video transmission
Dear All, Could you guys tell me how can transmit video over a channel and recreate that video again at receiver. Channel inc...

presque 13 ans il y a | 1 réponse | 0

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Réponse apportée
Computing CDF????
Thanx Image Analyst, that is a great explanation. Let me elaborate what i was asking. I meant, is it possible to have single CDF...

presque 13 ans il y a | 0

Question


Computing CDF????
Hi all, Does anyone of you know how to calculate cdf plot using following data sets: A = [10 10 10 5 3 3...

presque 13 ans il y a | 5 réponses | 0

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Scaling Factor at receiver
Hi Mr. Walter, i think you were wrong about not scaling the constellation at receiver. In fact, when i didn't i had my error ...

presque 13 ans il y a | 0

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Scaling Factor at receiver
So it means no scaling at the receiver.... doesn't matter what modulation i am employing at transmitting ...receiver doesn't bot...

presque 13 ans il y a | 0

Question


Scaling Factor at receiver
Dear All, I am wondering if we need to re scale our modulations symbols at receiver. Let me put this way, suppose we have 64Q...

presque 13 ans il y a | 3 réponses | 0

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réponses

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Help with power management telecommunication problem (Nash equilibrium)
Hey Jim, I looked at your code and i think you are confused how to plot graph between cost function and total utility. First...

presque 13 ans il y a | 0

Question


path gains and impulse response
Dear all, can any1 tell me how can i compute path gains from channel impulse response. I am obtaining my channel coefficients ...

presque 13 ans il y a | 1 réponse | 1

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Question


how would i know that how many bits should i sent in an OFDMA signal to meet 10Kbps requirements?
Dear all, i would like to know how many bits should i allocate in an OFDM symbol in order to meet 10kbps requirement. Let me cl...

environ 13 ans il y a | 1 réponse | 0

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Question


Strange Behaviour of Adaptive SC-FDMA
Dear all, i have been simulating adaptive modulation with SCFDMA from last 2 days and each time i run the simulation i get diffe...

environ 13 ans il y a | 1 réponse | 0

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Question


SUI channels
Dear All, I have a question about SUI channels models. I want to know how would parameters (K factor, Doppler, and others) diff...

environ 13 ans il y a | 1 réponse | 0

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Question


how to generate data rates in matlab
Hi there, i would like to know how can i generate data at transmitter and send over the channel at specific data rate. Like i us...

environ 13 ans il y a | 1 réponse | 0

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Réponse apportée
Signal power ....A confusion
Thanks Alot ...for the description ..... Indeed it helps... Thank You.. Talha

environ 13 ans il y a | 0

Réponse apportée
Signal power ....A confusion
Amplitude of carrier ...is 1 ... probability is 0.5. ???

environ 13 ans il y a | 0

Question


Signal power ....A confusion
Hi there, I have confusion about computation of signal power in matlab. Suppose i generate binary data of 1s and -1s ....once i...

environ 13 ans il y a | 4 réponses | 0

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Question


what Bandpass filter is doing in Energy Detector
Hello there, Since we all know that energy detection is blind technique that estimates the presence of signal in the spectrum. ...

plus de 13 ans il y a | 1 réponse | 0

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Question


about spectrum sensing and bandpass filter
Hi there, i am doing simulation for energy detector and i am having strange problems (as it looks to me..). whenever i modulate...

plus de 13 ans il y a | 1 réponse | 0

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