Phase and Transfer Function Calculations

 
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daveshel
Guest
PostPosted: Wed May 24, 2006 2:56 am    Post subject: Phase and Transfer Function Calculations Reply with quote
Hi,
I was hoping someone could help me with a few somewhat related questions about extracting transfer function data from Picoscope systems...

1. Is there any way to obtain phase info in spectrum analyzer mode for Pico 3206? I used a 216 in the past and phase info was readily available but I can't find it with 3206 version.

2. Is there a way to ratio signals with 3206 in spectrum analyzer mode to calculate transfer function? If not, do you have any recommendations on the "easiest" way to rapidly dump raw data and perform all the windowing and FFT calculations needed (e.g. Labview, Maple, or even Excel???) ?

Thanks!
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Michael
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Joined: 07 Jul 2005
Posts: 93
Location: St Neots, Cambridgeshire
PostPosted: Thu Jun 01, 2006 2:59 pm    Post subject: Reply with quote
Hello Dave,

YOu can easily calculate RMS and FFt within excel although you will be restricted to about 60,000 rows.

For bigger chunks, consider matlab or even access.

YOu can use PicoScope to collect the data and export to text format.

Best regards,
Michael
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