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Sohel Rana


Last seen: 4 days ago Active since 2020

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Question


How to fit multiple peaks/dips
I have a set a data where x-axis is the wavelength and y-axis is the intensity. It is seen from the attached image that there ar...

16 days ago | 2 answers | 0

2

answers

Question


How to Apply IFFT?
Hi, I have the following code and I did the FFT to convert the signal from wavelength domain to frequency domain? How can I the...

5 months ago | 0 answers | 0

0

answers

Question


Application of filtfilt function
I have a mixed singal in time domain. I applied FFT to find the frequency components. Then I used "filtfilt" to filter the indiv...

7 months ago | 1 answer | 0

1

answer

Question


Iteration of Ideal Gas Law
Hi, How can I do the iteration for the follwoing Ideal Gas Law? I would like to use the Vn and get the Pn value and compare the...

8 months ago | 1 answer | 0

1

answer

Question


Saving Data for Each for loop
Hi, I tried this task several times but don't know why I'm not getting the expected results. Here in the code, I used a signle...

9 months ago | 1 answer | 0

1

answer

Question


Hanning window, interpolation and resampling
Hi, I have a mixed signal that contains three individual signals (see code below). Could you please tell me how could I do the ...

9 months ago | 1 answer | 0

1

answer

Answered
How to apply Inverse FFT after filtering to get the original signal back?
Hi Star, My apologies for asking tons of questions. I have applied the attached code to reconstruct the signal but could not g...

10 months ago | 0

Question


How to apply Inverse FFT after filtering to get the original signal back?
I have applied FFT on a mixed signal to find its component. Then I used low pass filtering to separate specifc signal component....

10 months ago | 3 answers | 0

3

answers

Question


Extract signal components from mixed signal
Hi, I have signal that is consists of three individual signals. How can I separate these individual signals from the mixed sign...

10 months ago | 3 answers | 0

3

answers

Question


Signal Separation from a Mixed Signal
Hi, I have signal that is consists of three individual signals. How can I separate these individual signals from the mixed sign...

10 months ago | 1 answer | 0

1

answer

Question


Individual Signal Separation from Mixed Signal
Hi, I have a signal 'I' which is consists of three signals. How can I separate those signals from the mixed signal 'I'. I did F...

10 months ago | 0 answers | 0

0

answers

Question


How to find the average peak values and plot?
Hi, I got the attached plot from the code below. I would like to start the graph from 0.3 instead of 0 (y-axis) and then do the...

11 months ago | 1 answer | 0

1

answer

Question


How to get spatial frequency from FFT?
Hi, I have got the first graph based on the following code. How can I get the second graph after performing FFT? I1=0.7; I2=0...

11 months ago | 1 answer | 0

1

answer

Question


Plotting and Save Data for Multiple Variables
Hi, I'm having problems to plot and save data for different variables. The variables in my code are lam, n1 , n2, and r1 where ...

12 months ago | 1 answer | 0

1

answer

Question


How to get Y-values from X-values?
Hi, I have lot of data in excel file where column 1 denotes the X-value and column to denotes the Y-value. I tried to get Y-val...

1 year ago | 1 answer | 0

1

answer

Question


Fitting and smoothing the noisy curve
The attached image shows lot of noise. How can I get smooth graph? I used different types of fittings like polynomial, spline, g...

1 year ago | 1 answer | 0

1

answer

Question


Plotting graph in a certain range
Hi, I have a graph which conatins a lots of peaks within a ceratin range. I would like to plot graphs where each graph will con...

1 year ago | 1 answer | 0

1

answer

Question


How can I get peaks values and distance between them indicated in the figure?
How can I get only the three peaks values corresponding their x-axis values indicated in the figure? And the horizontal distance...

1 year ago | 0 answers | 0

0

answers

Question


Load text file from subfolder
Hello Creative People, I'm facing problems in loading data from subfolders. There is a main folder called "fiber optics" and th...

1 year ago | 2 answers | 0

2

answers