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wei zhou


Last seen: 3 days ago Active since 2018

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Empirical Fourier Decomposition: EFD
Empirical Fourier decomposition: An accurate signal decomposition method for nonlinear and non-stationary time series analysis

2 months ago | 10 downloads |

Question


Why not just use Rectangular window for filtering?
This question has puzzled me a lot. I wanna know why people not use the ideal window: rectangular window for filtering. I realiz...

2 years ago | 1 answer | 0

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answer

Question


How can I plot in matlab like this?
I have data of X and Y, but only Z of the red dot are knew, how can I plot more smoothly like this image?.

2 years ago | 0 answers | 0

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answers

Question


what is method can i used to smooth my time domain data?
I have got some data, but they are prominent in some places. I want to smooth these data. An article says that Kalman filter can...

3 years ago | 0 answers | 0

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answers

Question


As the output of function kalman ,what is the kalmf ?
When I use the function kalman , we know the results of kalmf are state space system . So how can I get the optimal estimate y ...

3 years ago | 0 answers | 0

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answers