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Sohel Rana


Last seen: 20일 전 |  2020년부터 활동

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How to read/load text file without header?
Hello, I have a text file (attached here) which contains headers. How can I read/load just numeric data from the text file? In ...

9개월 전 | 답변 수: 1 | 0

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Can I Use MinPeakProminence and MinPeakDistance at the same time?
Hello, I will need to find each peak (dip) from a data point. However, some of the peaks are very close to each other and in th...

1년 초과 전 | 답변 수: 1 | 0

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Polynomial fit with centering & scaling
Hello, When I plotted the following data and applied polyfit with second order, it showed the warning like: Warning: Polynomial...

대략 2년 전 | 답변 수: 3 | 0

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How to get the mean of a staircase graph?
I'm just wondering if it is possible to get the mean of a staircase graph where the values for y-axis are almost same. For examp...

대략 2년 전 | 답변 수: 1 | 0

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Separation of Specific Columns from a Text File
I don't know what is wrong in my code to select specfic column from the following data. In my data there are four columns that y...

2년 초과 전 | 답변 수: 1 | 0

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Reading a 97-2003 xls file
You could use file extension. Use xlsread ('filename.xls') instead of xlsread ('filename.xlsx') for 97-2003 xls file. It wo...

2년 초과 전 | 0

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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...

2년 초과 전 | 답변 수: 2 | 0

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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...

거의 3년 전 | 답변 수: 0 | 0

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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...

대략 3년 전 | 답변 수: 1 | 0

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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...

대략 3년 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 1 | 0

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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 ...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 0

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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....

3년 초과 전 | 답변 수: 3 | 0

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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...

3년 초과 전 | 답변 수: 3 | 0

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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...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 0 | 0

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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...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 1 | 1

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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 ...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 1 | 0

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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...

3년 초과 전 | 답변 수: 0 | 0

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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...

3년 초과 전 | 답변 수: 0 | 0

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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...

3년 초과 전 | 답변 수: 2 | 0

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