Understanding the vector input to matlab function dwt

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Damon Raynor 2021-11-8

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https://ww2.mathworks.cn/matlabcentral/answers/1581924-understanding-the-vector-input-to-matlab-function-dwt

回答： Abhishek Kolla 2021-11-11

Utilizing a current signal in the time domain with a 1000 points of data as my input to the dwt function [cA,cD] = dwt(x,wname), will I have to interatively use the dwt function to process across the whole dataset? Will the vector input "x" be some sort of chunck of the dataset?

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Answer 1

Abhishek Kolla 2021-11-11

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https://ww2.mathworks.cn/matlabcentral/answers/1581924-understanding-the-vector-input-to-matlab-function-dwt#answer_829184

Hi,

The input vector x will contain all the data points present in the input current signal.

In the below link try running the first example in MATLAB Online. Go to workspace and open the variable noisdopp to visualize the form of input vector to the function dwt

Single-level 1-D discrete wavelet transform - MATLAB dwt (mathworks.com)