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Talha Rahman


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Last seen: 12 Monate vor |  Aktiv seit 2011

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Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

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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...

mehr als 11 Jahre vor

Gelöst


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...

mehr als 11 Jahre vor

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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...

mehr als 11 Jahre vor

Gelöst


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 ...

mehr als 11 Jahre vor

Gelöst


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

mehr als 11 Jahre vor

Gelöst


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:...

mehr als 11 Jahre vor

Frage


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...

fast 12 Jahre vor | 0 Antworten | 0

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Frage


.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...

etwa 12 Jahre vor | 0 Antworten | 0

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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...

fast 13 Jahre vor | 0 Antworten | 0

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Beantwortet
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...

fast 13 Jahre vor | 0

Frage


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...

fast 13 Jahre vor | 5 Antworten | 0

5

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Beantwortet
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 ...

fast 13 Jahre vor | 0

Beantwortet
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...

fast 13 Jahre vor | 0

Frage


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...

fast 13 Jahre vor | 3 Antworten | 0

3

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Beantwortet
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...

fast 13 Jahre vor | 0

Frage


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 ...

fast 13 Jahre vor | 0 Antworten | 1

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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...

etwa 13 Jahre vor | 0 Antworten | 0

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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...

etwa 13 Jahre vor | 0 Antworten | 0

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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...

etwa 13 Jahre vor | 1 Antwort | 0

1

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Frage


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...

etwa 13 Jahre vor | 1 Antwort | 0

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

etwa 13 Jahre vor | 0

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

etwa 13 Jahre vor | 0

Frage


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...

etwa 13 Jahre vor | 4 Antworten | 0

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Frage


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. ...

mehr als 13 Jahre vor | 0 Antworten | 0

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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...

mehr als 13 Jahre vor | 1 Antwort | 0

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