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Difference between revisions of "NVGate Formula Computation"
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NVGate Formula Computation (view source)
Revision as of 08:19, 14 January 2022
, 08:19, 14 January 2022→Envelope spectrum
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===Envelope spectrum=== | ===Envelope spectrum=== | ||
The envelope signal is computed from the zoomed signal by taking the module of the complex signal multiplied by 2. | |||
This corresponds to an Hilbert transform (signal multiplied by itself but out of phase by 90° ). | This corresponds to an Hilbert transform (signal multiplied by itself but out of phase by 90° ). | ||
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With : RZD (t) = real part of the zoomed signal after decimation | With : RZD (t) = real part of the zoomed signal after decimation | ||
IZD (t) = imaginary part of the zoomed signa after decimation | IZD (t) = imaginary part of the zoomed signa after decimation | ||