Difference between revisions of "NVGate FFT"

NVGate FFT (view source)

911 bytes removed , 16:28, 22 April 2020

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 Note: Up to 4 FFT plug-in can be present in the software configuration, each of them running independent analyses on the same or different channels.
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-Range: Setup the analysis range for the plug-in. This value is maximized by the front-end sampling frequency divided by 2.56.<br>Note: Each plug-in feature an independent bandwidth.
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-Lines: Select the analysis resolution in number of frequency lines. The ''resolution = Range / (Lines-1) '' in Hz
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-Average: Select the domain of averaging:
-* <u>''Spectral''</u>: the spectra module are averaged together
-* <u>''Time''</u>: the trigger block are averaged together -<nowiki>></nowiki> provide absolute / relative phase
-* <u>''Frequency domain synchronous (FDSA)'': </u>The complex spectra are averaged together (real/img) after phase synchronization on one spectral line -<nowiki>></nowiki> allows synchronous time averaging (STA) without a trigger.
 This plug-in is used to compute the input signal FFT (you can also compute time signals in post analysis mode with the Player module).