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Ramya Raman


Last seen: 7 months ago
8 total contributions since 2019

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Question


leakage problem in wavelets
I read that one of the drawback of wavelets is the "problem of leakage generated by the limited length of the basic wavelet". Co...

7 months ago | 0 answers | 0

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answers

Question


FIltering for multiple band of frequncies
I have below two questions. I want to filter a signal with sampling 100Hz in range of 4-7Hz and 10-13Hz and 30-35Hz. I saw ...

8 months ago | 1 answer | 0

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answer

Question


Impulse response function for non-stationary time domain signal
how to find the Impulse response function for non-stationary time domain signal? I first wanted to find a frequncy response an...

11 months ago | 1 answer | 0

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answer

Question


Can anyone say if its possible to draw bump wavelet in matlab?
I was able to see the complex gausian wavelet using this funtion: [psi,x] = cgauwavf(lb,ub,n,order); I saw there are also wavef...

11 months ago | 0 answers | 0

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Question


image plot after is calculating hilbert spectrum
I have used th matlab function [hs,f,t,imfinsf,imfinse] = hht(imf,fs); to do hilbert haung transform. The hilbert spectrum (hs...

1 year ago | 1 answer | 0

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answer

Question


Finding average of a sensor signal
I have a signal as attached. I want to find the average of this signal. How could this be done? I tried findmaxima and mean f...

1 year ago | 1 answer | 0

1

answer

Question


wscalogram scale to frequency
I am using wscalogram for a signal generated. The plots give y axis in sclaes. I tried the solution from https://www.mathworks.c...

1 year ago | 0 answers | 0

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Question


duffing equation ODE45
I solved the duffing equation using ODE45. Below is the code. It works fine and plots as expected. However, I noticed that the...

1 year ago | 2 answers | 0

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answers