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How to reconstruct/reassemble a decomposed signal?

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Danya
Danya 2023-3-18
回答： Swaraj 2023-4-4
I decomposed a time series power signal using 2 decomposition methods Variational Mode Decomposition (VMD) and Discrete Wavelet Transform (DWT) and got sub-series signals (low and high frequency) and used each sub-series signal to forecast/predict the sub-series power.
How can I reconstruct/add the forecasted sub-series signals to get the final forecated power value?
Is there a function to do this on MATLAB?

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回答（1 个）

Swaraj
Swaraj 2023-4-4
You can use the “waverec” function for this purpose.
Follow the following documentation for more details.
Multilevel 1-D discrete wavelet transform reconstruction - MATLAB waverec (mathworks.com)

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