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Faheem Ur Rehman


Last seen: 2 months ago Active since 2021

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How to limit y-axis of eye-diagram?
I have attached the image in which i don't need whole plot but only the signal areas. x = load (['frame_snr30256QAM' num2str(i...

2 months ago | 1 answer | 0

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Question


How to save .mat file into hdf5 in matlab?
I have .mat file and i want to convert them into dataset using h5write but i got error. a = load('file.mat'); h5write('a.h5', ...

2 months ago | 1 answer | 0

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Question


How to generate dataset in one file instead of separate frams?
I have a code below which save data on different frame but i want to save in one file because i need to convert them in HDF5 lat...

3 months ago | 0 answers | 0

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Question


How to i change the SNR to Vector?
I have following code and i want to change SNR=(-20:10:30). How can i do it in following code. classdef helperModClassTestChan...

3 months ago | 1 answer | 0

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Question


How to write dataset in hdf5 format?
I have folder with name ModClassDataFiles. In which 20 .mat file are saved i want to convert them into hdf5, but i got error bel...

4 months ago | 1 answer | 0

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Question


How to change the input size in first layer of Resnet?
I have sequential data (Signal dataset) which shape is 1024x1, and I want to train that on resnet by changing the input in first...

4 months ago | 0 answers | 0

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Question


How to cut multiple file ans past it to folder?
I have fram4ASK100.mat to fram4ASK1000.mat in a folder and i want to cut them and past them intp new folder name as 4ASK. I hav...

4 months ago | 2 answers | 0

2

answers

Question


How to resize multiple folder images and save it in MATLAB?
I have three folder and each folder contain 10 images. I want to resize each images to 28x28 and then save 28x28 images. I want ...

5 months ago | 1 answer | 0

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Question


How do i add SNR to BPSK modulating signal?
I want to add SNR = -20:2:30 in following code function y = bpskModulator(x,sps) persistent filterCoeffs if isempty(filterC...

5 months ago | 0 answers | 0

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Question


How do i change SNR to vector?
I am using Autometic modulation classification using deep learning example of MATLAB link is given below. There they use on SNR...

5 months ago | 0 answers | 0

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Question


How to i convert complex single into complex double?
I need dataset in complex double form to test the pretrained model. but when i prepare the dataset it is saved in the complex si...

5 months ago | 2 answers | 0

2

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Question


Graphics driver version 10.1 is not supported. Update graphics driver to version 11 or greater. For more information on GPU support, see GPU Support by Release.
I have MATLAB R2021a and i want to use GPU for computing. when i run gpuDevice command on command window it show me to update gr...

5 months ago | 1 answer | 0

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Question


How to perform ook modulation on audio?
I have found the code below but i don't know where to change it for audio. Audio x = audioRC(audioSrc()); x = x(1:spf,1); ...

6 months ago | 0 answers | 0

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Question


How to perform 4-ary ASK and 8-ary ASK modulation on Audio Signal?
I have Audio SIgnal and want ot perform 4-Ary ASK and 8-ARY modulation.

6 months ago | 0 answers | 0

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Question


How to change ammod(x,fc,fs,INI_PHASE,CARRAMP) for AM-DSB-WC in matlab?
I want to make a code for AM-DSB-With carrier (AM-DSB-WC), and the CARRAMP will be change for (WC). y = ssbmod(x,50e3,fs); %tha...

6 months ago | 0 answers | 0

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Question


How to plot AM Single-sideband modulation with carrier (AM-SSB-WC) and AM Single-sideband modulation suppress carrier (AM-SSB-SC) in MATLAB?
I have found the fs = 200e3; y = ssbmod(x,50e3,fs); x is the audio wavefile. But i dont know its its wit carrier( WC ) o...

6 months ago | 0 answers | 0

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Question


Is there any MATLAB function for on off keying(OOK) modulation?
I searched alot but did't find.

6 months ago | 1 answer | 0

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Question


Error using comm.PhaseFrequencyOffset/parenReference Changing the size on input 1 is not allowed without first calling the release() method.
How i use release method to generate oqpsk modulation on Audion wav file. Code is modulationTypes = categorical(["BPSK", "OQPS...

6 months ago | 0 answers | 0

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Question


Is there any Matlab built-in function for 4ASK and 8ASK modulation?
i have found below function but i don't know where to change for 4 and 8Ask. format long; % Clear all variables and close all ...

6 months ago | 1 answer | 0

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answer

Question


Changing the size on input 1 is not allowed without first calling the release() method.
I want to generate the 16ASK modulation using apskmod function by modifying the Autometic Modulation classifcation example of MA...

6 months ago | 0 answers | 0

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Question


Error in Automatics modulation classification MATLAB example.
I want to generate the modultion types like (16APSK,32APSK,64APSK,128APSK) by modifying helperModClassGetModulator.m and helper...

6 months ago | 0 answers | 0

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Question


Is there any Built in MATLAB function or MATLAB code for 16APSK, 32APSK,64APSK and 128APSK modulation?
I have searched but did't find anything.

6 months ago | 1 answer | 0

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Question


How to separate real and imaginary value into different column?
I have .mat file which contain 1024 values and i want to keep them in two columns and remove the i. For example a+bi and i n...

6 months ago | 1 answer | 0

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answer

Question


How to plot 32PSK modulating signal in time domain?
I have found the multiple codes for PSK signal but they plot the consulation diagram, which contain binary values but when i ...

6 months ago | 1 answer | 0

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Question


Why i get Test error 0% in the Modulation Classification with Deep Learning example on GOLD_XYZ_OSC.0001_1024.hdf5 dataset?
Dataset Link: https://drive.google.com/drive/folders/1ualml7NCUjdG4cXEWs72M3U_1jMOrWT_?usp=sharing Matlab Example Link: https...

6 months ago | 0 answers | 0

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Question


Error using PhaseFrequencyOffset.setParameters Unable to load C:\Program Files\Polyspace\R2020a\toolbox\comm\commutilities\commmex\mcomfreqoffset.mexw64 [error: The specified module could not be found. ]
I am facing ettot in below line frequencyShifter = comm.PhaseFrequencyOffset( 'SampleRate', fs); but that mcomfreqoffset.mexw6...

6 months ago | 0 answers | 0

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Question


Error using == (line 30) Invalid types for comparison?
I am using builtin example of matlab on my dataset. when i run the test section it gives me error. code: fprintf('%s - Classif...

7 months ago | 1 answer | 0

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Question


How to save label in 1x1 categorical?
I have .mat file which dimension is (1024x1) and i want to give name that .mat file in 1x1 categorical. when i load that .mat fi...

7 months ago | 1 answer | 0

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Question


How to i add label to Vector ?
I have vectore which dimension is 1024x1. I want to add label in cell. The expected output shoud be in cell which contain {1024...

8 months ago | 1 answer | 0

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Question


How to save each column in E drive of computer?
I have data of dimension (1024x10000) in workspace i want to save each column in my computer. after saving each column it should...

8 months ago | 1 answer | 0

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