# 2NOR_Kh

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**Content Feed**

Question

which part of my logic is wrong?

I wanna plot the equation given below for w=(3:0.01:7)*1e6 and the written values in the code, I should have a plot of R based o...

2 days ago | 1 answer | 0

### 1

answerQuestion

how to design a single cycle square wave?

I want to design a single cycle square wave and for theat I am using 'square' function but I don't know how to make it a single...

17 days ago | 1 answer | 0

### 1

answerQuestion

why my conditional function is not what I expected?

I have this question to solve: this is my program: close all clear all x = -3:0.5:3; y = -3:0.5:3; [X,Y] = meshgrid(x,y)...

23 days ago | 3 answers | 0

### 3

answersQuestion

calculating attenuation in RF data of ultrasound

I am running into something I have not yet managed to figure out after quite some googling. I should find the attenuation of an ...

1 month ago | 0 answers | 0

### 0

answersQuestion

how can I have a single number as the result of dividing two numbers?

I am implementing this formula in MATLAB: I[i], is the intensity of my signal and i is the index for each row. My code is as ...

1 month ago | 2 answers | 0

### 2

answersQuestion

I have three images that should have similar range of histogram is the rescaling a correct procedure?

I have three images that should have similar range of histogram is the rescaling a correct procedure or there may be better solu...

1 month ago | 3 answers | 0

### 3

answersQuestion

How to fix a parameter in fitdist function?

I am trying to fit burr distribution to my data, but for the simplicity of my algorithm, I should assume c=2 in burr distributio...

2 months ago | 0 answers | 0

### 0

answersi have a homework that i have been stuck on, can anyone help ?

you can change parameters to see how this will change. Also, in gaussian distribution, there is another important parameter name...

2 months ago | 0

Question

how to manual crop an ultrasound image

I have an ultrasound iamge and I should a rectangual ROI manually like Ithis image: but when I use imcrop it does not plot th...

2 months ago | 2 answers | 0

### 2

answersQuestion

how to fit an exponential curve to my signal in a plot?

I have a signal and I should fit an exponential curve to it. This curve should be made based on the max imum peaks in the signal...

2 months ago | 1 answer | 0

### 1

answerQuestion

uploading dataset from google drive

I have a dataset in my google drive and I wanna upload it, but it gives me an error that it can't open the file. I am using 'loa...

2 months ago | 0 answers | 0

### 0

answersQuestion

I wanna know how imadjust is working. The whole algorithm and its reference paper.

Hi everyone, I am looking for the refrence paper of imadjust in matlab. I searched throught its library in matlab but I couldn'...

3 months ago | 1 answer | 0

### 1

answerI should convolve my signal with which function to have the signal itself?

I find out my issue with dirac. tt = -100:0.1:100 y=dirac(tt); idx=y==inf; y(idx)=1; plot(tt,y);

3 months ago | 0

| accepted

Question

I should convolve my signal with which function to have the signal itself?

I should convolve my signal with a function and have the signal itself. I read on the internet that dirac function will be the s...

3 months ago | 2 answers | 0

### 2

answersQuestion

how can I have a perfect rect function as the result of applying fft on sinc function?

I have to generate a perfect rectangle as the fft result of the sinc function. I am working with different parameters to achieve...

3 months ago | 1 answer | 0

### 1

answerQuestion

how to find the right frequency axis when we take the Fourier transform of a function?

I want to know how to find the correct frequency axis when I am taking the fourier transfor. To make it clear, we know that for ...

3 months ago | 1 answer | 0

### 1

answerQuestion

filtering by filter function and having a shift

I have a signal and applied a filter by using filter function in matlab (the built in filter function of matlab). I added paddin...

4 months ago | 1 answer | 0

### 1

answerQuestion

why after applying imadjust it gives me a white picture?

I applied imadjust on my image and the first time it was working and gave me a hight contrast image but the 2nd time ,it is givi...

4 months ago | 1 answer | 0

### 1

answerQuestion

how many paddings I need for my signal?

I have a signal and a filter with this size: 1*282 now I dont know how many paddings I should add to my signal.

4 months ago | 0 answers | 0

### 0

answershow to convert a gaussian low pass filter to a gaussian band pass filter

I find the answer of this question and writing it here in case that anyone needs it in the future: When we think of low pass or...

5 months ago | 0

| accepted

Question

how to convert a gaussian low pass filter to a gaussian band pass filter

I designed a gaussian filter in Matlab with these values of sigma and mean: sigma = 1.5040e-08; u=0; by usisng this line of c...

5 months ago | 1 answer | 0

### 1

answerQuestion

FFT of Gaussian filter in 1D

I have a gaussian filter and its fourier transform in matlab is just located at zero. I am sure I did everything right but still...

6 months ago | 2 answers | 0

### 2

answersQuestion

1d filter implementation

I wanna implement this function, f=t^2*exp(-t^2), the exponential part is a gaussian filter and I should finetune mean and varia...

6 months ago | 0 answers | 0

### 0

answersQuestion

convolving 1D filter in 1D signal

I have a filter with this eq: GH2=4*t^2*exp(-t^2) - 2*exp(-t^2); E2=3*sqrt(pi/2); GHE2=GH2/sqrt(E2); the t here is a 1*678...

7 months ago | 1 answer | 0

### 1

answerQuestion

plot a conditional equation

I want to plot f(x,y)= (x-y)/(x+y) with this condition that x,y> 0 and y>10x, how can I plot it in matlab?

8 months ago | 1 answer | 0