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Abdelwahab Afifi


Last seen: 거의 2년 전 |  2019년부터 활동

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Obtaining CSI of the guard-band subcarrier in 5G toolbox
Is it possible to perform channel estimation for all subcarriers including (in-band & guard-band subcarriers) using 5G toolbox ?...

대략 2년 전 | 답변 수: 0 | 0

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CSI of the guard-band subcarrier in 5G channel
my ultimate goal is to use 5G toolbox to estimate the compete channel response (for in-band subcarriers & guard-band subcarrier)...

대략 2년 전 | 답변 수: 1 | 0

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How to get such legend in MATLAB?
As you can see in the attached Figure, only 6 legends are used. (not 8 = number of curves). How to do so?

대략 3년 전 | 답변 수: 1 | 0

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How to plot such figure in MATLAB?

대략 3년 전 | 답변 수: 1 | 0

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How to plot heat map using MATLAB?
I have matrix with dimensions [4096, 181], I want to draw a heatmap for such matrix as in the following figure. How can i do so?...

3년 초과 전 | 답변 수: 1 | 0

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Training Time delay Neural Network (tdnn) using Adam optimizer
I have built the following network using tdnn class in deep learning toolbox. Now I wanna train it using 'adam' optimizer. Is it...

3년 초과 전 | 답변 수: 1 | 0

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How to "prune" a one hidden layer NN such that the off diagonal elements of the weights, that is, "net.IW{1}" and "net.LW{2}", are zeros?
https://uk.mathworks.com/help/deeplearning/ref/prune.html

3년 초과 전 | 0

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How to train "timedelaynet" using "trainNetwork" function in Deep Learning Toolbox?
I have build a Time delay neural network and I wanna avoid use "train" function, and I want to train it using "trainNetwork" fun...

3년 초과 전 | 답변 수: 1 | 0

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Training Time delay neural networks with Parallel and GPU Computing ?
I’m trying to speed up the training of my 'timedelaynet' by using the GPU support that ÷ get from the parallel computing toolb...

3년 초과 전 | 답변 수: 1 | 0

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How to run Python script in MATLAB?
I'm trying to run python script using MATLAB The python script code.py is used for Saving Model Weights and Architecture Togeth...

거의 4년 전 | 답변 수: 1 | 0

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How to generate wide band OFDM signal using signal aggregation method?
I'm able to genrate OFDM signal with BW=20 MHz as shown in the following figure I wanna build wide band OFDM signal by signal...

대략 4년 전 | 답변 수: 1 | 0

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How to control the stopband attenuation of the resample function ?
I'm using resample function to upsample my data. I need to increase the stop band attenuation to improve the Adjacent channel po...

대략 4년 전 | 답변 수: 1 | 0

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How can I edit Live editor sheet when I access MATLAB remotely?
I use Chrome Remote Desktop to access my PC, However, when I double click any live editor sheet it appears as a white sheet and ...

4년 초과 전 | 답변 수: 1 | 0

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How to build Time delay Neural network using deep learning layers?
I have built this architecture using shallow Time-Delay Neural Networks. where X and Y are the inputs which are time series ve...

4년 초과 전 | 답변 수: 1 | 0

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How to achieve the stable training for time delay neural network ?
I have build Time delay neural network The training performance is changed every time I train it. I tried to set the initial we...

4년 초과 전 | 답변 수: 1 | 0

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create a variable whose name is changed over iteration number in for loop ?
I have my own function that able to build and train Time delay Neural network [Trained_Model]=Train_RVTDNN(NN, Input, target); ...

4년 초과 전 | 답변 수: 1 | 0

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Deleting some layers from trained neural network model
I have trained a big neural network NN which has the structure [20 2 20] as shown in the first figure. After training, I wanna ...

4년 초과 전 | 답변 수: 1 | 0

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How can I freeze specific weights of Neural network model?
I need to set some specific weights before training, and keep these weights fixed during training

4년 초과 전 | 답변 수: 1 | 0

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"Relu" activation function and "Adam" optimizer for Time delay neural network
I wanna design Time delay neural network, but I can't find the leaky rectified linear unit (Relu) activation function and "Adam...

4년 초과 전 | 답변 수: 0 | 0

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Build Time delay neural network using Deep learning tool box
I wanna build my own Deep neural network which accepts two inputs and estimate two outputs. The input signals of the first layer...

4년 초과 전 | 답변 수: 0 | 0

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workaround for handling a large number of variables in the objective function of lsqnonlin
I want to optimize my objective function w0=zeros(m,1) [w,resnorm] = lsqnonlin(@myfun,w0) How can I dynamically define weight...

4년 초과 전 | 답변 수: 1 | 0

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Defining my objective function using vector of variables for lsqnonlin
I wanna use lsqnonlin for estimating vector of variables of length 6 function F = myfun() global X % regression matrix of...

4년 초과 전 | 답변 수: 0 | 1

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optimization with many variables - lsqnonlin
I wanna avoid defining these large variables manually. Is there any simple method for this? x(1) x(2) x(3) ...... x(n)

4년 초과 전 | 0

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How to generate polynomial matrix in classification problems ?
I have the fllowing samples [1 2] , [2 0] , [1 1], [3 1], [2 3], [3 3] which correspond to labels y : {0, 0, 0, 1, 1, 1} resp...

4년 초과 전 | 답변 수: 0 | 0

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The Number of coefficents of Time delay neural network
for the following Time delay neural network clc; clear all; close all; [X,T] = simpleseries_dataset; net1 = timedelaynet(1:2,...

거의 5년 전 | 답변 수: 1 | 0

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combining two neural networks (net1 is trained & net2 is untrained) in one bigger network
I have two shallow neural network models net1, net2. I have a trained net1. Then I need to connect a net2 to a net1. Hence I ...

거의 5년 전 | 답변 수: 2 | 1

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Set a specific weight for a connection in neural networks
I have already build my neural network. I wanna set a specific weight for the conection from layer i to layer j foe example .....

거의 5년 전 | 답변 수: 2 | 0

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How to define a multivariable function (for instance an anonymous function) of a number of variables that varies according to the size of an array variable?
I have two vectors input and output ,where is the number of samples I want to solve this problem as nonlinear least-squares...

거의 5년 전 | 답변 수: 1 | 0

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code gernation error using CUDA
I'm trying code generation Using the GPU Coder App as in the folowing link: https://www.mathworks.com/help/gpucoder/gs/gpu-cod...

거의 5년 전 | 답변 수: 1 | 0

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what is the problem of the Power Amplifier curve for this WCDMA measurements ?
I used the follwing link to get the data sets of input and output of PA to simluate PA model https://www.mathworks.com/help/si...

대략 5년 전 | 답변 수: 0 | 0

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