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Reference Spectrum Waveform

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Reference Spectrum Waveform

Postby Chris Stamford-Burrows » Mon Feb 23, 2009 9:55 am

I am now using BETA r6.2.1.12 and am interested in using a Spectrum analysis file as a reference.

I have used a number of the Spectrum Options to refine the spectrum window, and can save and reproduce the file in Excel.

But if I try to use a refined spectrum analysis as a reference waveform, I can only save the initial 'noisy' analysis.

Is this what is supposed to happen, or does this need to be fixed in this BETA version ??
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Postby Robin » Mon Feb 23, 2009 1:58 pm

Chris

What changes did you make to the spectrum options?

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Reference Spectrum Waveform

Postby Chris Stamford-Burrows » Mon Feb 23, 2009 2:11 pm

The Spectrum Options I want to use are:-
Spectrum Bins 16384
Window Function Blackmann Harris
Display Mode Average
Scale Logarithmic
Arbitrary dB at 3mV

It may be that spectrum reference will only display 'Magnitidue'.
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Postby Robin » Mon Feb 23, 2009 2:25 pm

Hi Chris

The software is behaving as intended. Reference waveforms are snapshots rather than "persistence" waveforms.

The maths functions also only work on non-persistence waveforms.

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