How can I know the Difference between two signals??

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Mohamed Elwakdy
Mohamed Elwakdy 2013 年 12 月 10 日
コメント済み: Mohamed Elwakdy 2013 年 12 月 10 日
Dear Sir,
If I have two different signals, how can I calculate the difference between them (the difference should be one number)???
Thank you very much
  2 件のコメント
Wayne King
Wayne King 2013 年 12 月 10 日
That very much depends on what you are trying to measure/characterize. I think you need to be more specific.
Mohamed Elwakdy
Mohamed Elwakdy 2013 年 12 月 10 日
Dear Sir,
I am looking to know the difference between ship's trajectory and the coefficients that extract by using the polynomial function. How can I know the difference between them??

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回答 (1 件)

Azzi Abdelmalek
Azzi Abdelmalek 2013 年 12 月 10 日
編集済み: Azzi Abdelmalek 2013 年 12 月 10 日
d=y1-y2
d is also a signal with the same size as y1 and y2. If you have another definition of a difference, post it.
Maybe you want
mean(y1-y2)

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