# majid

Last seen: 2 mois il y a Actif depuis 2020

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Question

How can I write complex double cell to excel?
Hello. I have 80*100000 complex double that I put them in 20*1 cell (every 4 rows and 100000 colomns). I want to save this cell...

2 mois il y a | 1 réponse | 0

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Question

How can I convert matrix to cell?
Hello. I have 400*100 matrix. I want to divide this matrix to every 4*100 matrix and then put it in the cell. How can I do thi...

2 mois il y a | 1 réponse | 0

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Question

How can I save data from for loop?
Hello. I have 3 arrays of scalar number. I want to have some simple calculation on all numbers of these 3 arrays one by one (Pe...

2 mois il y a | 1 réponse | 0

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Question

how to multiply every single element in a matrix to entire of another matrix?
Hello. I want to multiply every single element in a matrix to entire of another matrix. x = [100,500,900,1300,1700; 120,6...

3 mois il y a | 3 réponses | 0

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Question

how to save matlab output data in excel?
Hello! i have 4*100000 output data and want to save it in excel, I tried the below codes but I encounter the below error messa...

3 mois il y a | 1 réponse | 0

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Question

How to load multiple input txt file in matlab?
Hello to everyone. I want to load several txt file (I dont know how many it depends on my experimental data that I get) to matl...

plus d'un an il y a | 1 réponse | 0

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Question

How to extract matrix elements?
Hello. I have Matrix M that each cells of it are Seperate function. so I want to get each cells function and then do something ...

plus d'un an il y a | 1 réponse | 0

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Question

how to denoising rgb image?
hello i have a question about rgb image denoising. I have a noisy image and when i apply the filter ; the color of image is chan...

plus de 2 ans il y a | 1 réponse | 0

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Question

which imshow is true?
Hello. I have an image that i add some noise to it. finally i want to show it with imshow.i use two syntax but i dont know which...

plus de 2 ans il y a | 1 réponse | 0

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Question

how to find time corresponds to peak of plot?
Hello to everyone. I have a signal which it is photoelectron vs. Time, I want to interpolate it with factor of 4, so I did it a...

plus de 2 ans il y a | 1 réponse | 0

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Question

why we use convolution?
Hello, I am beginner in signal processing and I have a fundamental question about signals convolution. suppose we have signal ...

plus de 2 ans il y a | 1 réponse | 0

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Question

how to create range image?
hello, does anyone know how can we convert intensity image (grayscale image) to range image? I want to image proccessing the l...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to fix graythresh error?
Hello, I have a simple problem with matlab. when I run below code , it return error. whats the problem? I=imread('coins.png'...

plus de 2 ans il y a | 1 réponse | 0

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Question

how to threshold image in 3*3 window?
Hello, I have a 256x256 noisy image and I want to find threshold value of elements on the middle row and column in 3x3 windo...

plus de 2 ans il y a | 1 réponse | 0

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Question

what is the histogram filter?
Hello I'm trying to image proccessing the image of lidar system. for this purpose, I'm using combination filter which one of t...

presque 3 ans il y a | 1 réponse | 0

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Question

How to find median value of a columns of a matrix ?
I have a zero-padded 8*8 matrix, and I want to find the median value of 3*3 block and then change the value of the middle elemen...

presque 3 ans il y a | 1 réponse | 0

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Question

how do I find at which sample on the x-axis I have maximum value of y-axis?
Hi! I want to determine that at which sample on the x-axis I have maximum value of y-axis. I will appreciate if some one could h...

presque 3 ans il y a | 1 réponse | 0

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Question

time to sample convert
Hi! how can i convert time vector of the following plot to number of sample? clear all clc set(0,'defaultlinelinewidth',1) Tru...

presque 3 ans il y a | 1 réponse | 0

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Question

How to apply FIR1 Bandpass filter ?
Hi, I have noisy chirp signal which I want to apply FIR1 Bandpass filter with hanning window to final mixed signal in order to ...

presque 3 ans il y a | 1 réponse | 0

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Réponse apportée
how to create copies of chirp signal?
thank you very much, Mathieu.

environ 3 ans il y a | 0

Question

how to create copies of chirp signal?
hello. how can i create 32 copies of bidirectional chirp signal in matlab??? for example for this code; how can i create 32 cop...

environ 3 ans il y a | 2 réponses | 0

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Réponse apportée
gaussian chirp signal generation
Let me explain more about what Iwant to do: I want to create a gaussian chirp signal. the chirp signal parameters are : f_in...

environ 3 ans il y a | 0

Question

gaussian chirp signal generation
Hello. i want to generate gaussian chirp( bidirectional ) signal , so i write below code. but I dont know why chirp signal plot...

environ 3 ans il y a | 2 réponses | 0

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Question

Adding and generation of shot noise to a gaussian chirp signal.
Hi, How can i adding shot noise to the gaussian chirp signal? signal codes : clc; clear; close all; %--------------------...

environ 3 ans il y a | 1 réponse | 0

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Question

How to create a Gaussian Chirp signal?
Hi, I am trying to creat a Gaussian Chirp (bidirectional) signal with these parameters: f1=29.25MHz , f2=30.75MHz , sweep ti...

environ 3 ans il y a | 1 réponse | 0

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Question

How can I delay a chirp signal for signal processing?
I have a question, how can i delay chirp signal? for example 6.5microsecond? code: % chirp signal generation 0-75 Hz ,7 chi...

environ 3 ans il y a | 1 réponse | 0

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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 3 ans il y a