Find jumps in Signal take constant area and split signal to different mat files

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youjarr
youjarr 2019 年 3 月 5 日
コメント済み: darova 2019 年 3 月 11 日
Hey guys,
I have following Signal:
I need to split this signal into different mat files.
My problem i have the noise and the transient behaviour.
I need to save the constant "areas" into the different mat files.
In this case I have 7 to 8.
Thanks in advance.
  7 件のコメント
darova
darova 2019 年 3 月 6 日
can you attach your data?
youjarr
youjarr 2019 年 3 月 6 日
Yes. This is the Y-Axis.
Just Build a vector
t = 1:1:length(signal)
should be the same effect.

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回答 (2 件)

youjarr
youjarr 2019 年 3 月 7 日
Maby an easier question.
How do I get the first value when it reached the next jump? I mean if it gets constant (green lines) that would be the best.2019-03-05_11-42-04_1.png

darova
darova 2019 年 3 月 7 日
I tried to smooth data. Then get every 600th point to compare with noise value and filter.
Then comparing points to find stable areas.
Hard to pick parameters for data (smoothing and filter). Maybe with user interaction it will be a little bit easier to draw those areas. See attached script
  2 件のコメント
youjarr
youjarr 2019 年 3 月 11 日
Thank you very much for your effort.
I am going to test it later.
But can I adpat this code 1:1 to following data?
2019-03-08_16-29-22.png
Or do I have to change smth. in the code?
darova
darova 2019 年 3 月 11 日
Hard to say. It depends on data, try to change smooth coefficient and filter point if needed.

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