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Talha Rahman


UNITN

Last seen: 8 months 前 |  自 2011 起处于活动状态

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已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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...

11 years 前

已解决


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 ...

11 years 前

已解决


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

11 years 前

已解决


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:...

11 years 前

提问


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...

11 years 前 | 0 个回答 | 0

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提问


.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...

11 years 前 | 0 个回答 | 0

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提问


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...

12 years 前 | 0 个回答 | 0

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已回答
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...

12 years 前 | 0

提问


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...

12 years 前 | 5 个回答 | 0

5

个回答

已回答
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 ...

12 years 前 | 0

已回答
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...

12 years 前 | 0

提问


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...

12 years 前 | 3 个回答 | 0

3

个回答

已回答
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...

12 years 前 | 0

提问


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 ...

12 years 前 | 0 个回答 | 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...

12 years 前 | 0 个回答 | 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...

12 years 前 | 0 个回答 | 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...

13 years 前 | 1 个回答 | 0

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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...

13 years 前 | 1 个回答 | 0

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

13 years 前 | 0

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

13 years 前 | 0

提问


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...

13 years 前 | 4 个回答 | 0

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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. ...

13 years 前 | 0 个回答 | 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...

13 years 前 | 1 个回答 | 0

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