Get harmonics

[Henrik_Volkers]

OK, the timescale in your csv is truncated so I add a linear fit to recalculate it 😉

and had a look at the phase....

[Henrik_Volkers]

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@Benny.zhu wrote:

The data is from my colleague, and he told me the samplerate.

So, how do you know the samperate is wrong? You do not answer this, I just curiousness.

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Tell you colleage he is wrong 😄

 and he should reconfigure the csv output format of the scope 😉  How did he get the data out the scope? ... However that's your problem not mine 🙂

[Benny.zhu]

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Yes, it so thanks for your help, I aready send your VI to him.

[Benny.zhu]

Hi Henrik

    Brilliant, you rebuild the wave. I learn it, it is confuse me a long time. So thanks a lot.

[diyue]

Thank you for your answers.However,I have another question to ask you.I don't konw how to set  number of periodes.When I set different values,I will get the diffferent results.Can you explain the function of it?

[Henrik_Volkers]

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@diyue wrote:

Thank you for your answers.However,I have another question to ask you.I don't konw how to set  number of periodes.When I set different values,I will get the diffferent results.Can you explain the function of it?

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I have to answer with a question: How long is the coast of Britain? 

The answer to this question should answer your question.

My vi migth show one possible solution.To answer the question if this solution solve your problem, you need to understand the problem! and the solution.

And the question of my first post is still open: What is it ?