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student
Guest
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 Posted: Wed Jan 28, 2004 1:32 pm Post subject: filter in driver excel |
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Hello
I use the macro excel for adc 42 and then i calculate the FFT.
My problem is that i would like to filter before the acquisition.
We can change TIME and number of points (and then frequency)
Is it possible to activate a filter (with cut f/2) ????
Thanks
Pierre |
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markspencer
Site Admin
Joined: 07 May 2003
Posts: 610
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| Posted: Fri Jan 30, 2004 8:35 am Post subject: |
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Hi,
When using the ADC-42 functions there is not a funtion that will allow filtering. The adc-42 does not have and high or low pass filters, any filtering would have to be done by you in software (excel macro).
Best regards, |
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student
Guest
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| Posted: Thu Aug 05, 2004 6:30 am Post subject: excel filter |
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i think you havve not understood.
it 's a anti alias filter which is needded.
This filter must be BEFORE the acquisition.
Thanks for your answer
Pierre |
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markspencer
Site Admin
Joined: 07 May 2003
Posts: 610
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| Posted: Thu Aug 05, 2004 8:32 am Post subject: |
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Hi,
I am sorry to hear that I did not give you a correct answer to your first post.
The ADC-42 does not have any Low or High Pass filtering on board, to achive this you would have to make your own, and put it between the ADC-42 and your signal.
Best regards, |
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