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Difference between revisions of "NVGate Waterfall"
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→FFT1 Tach vs EXT synch tach
| Line 691: | Line 691: | ||
With classical tach: | With classical tach: | ||
The RPM is collected at the end of the analysis block. | The RPM is collected at the end of the analysis block. | ||
[[File:center.PNG|500px]] | [[File:center.PNG|500px]] | ||
This situation leads to an offset in the waterfall calculation of the orders (cursors, sections). For a run up, as the angular speed is over evaluated, the order calculation is lower than the actual ones. | This situation leads to an offset in the waterfall calculation of the orders (cursors, sections). For a run up, as the angular speed is over evaluated, the order calculation is lower than the actual ones. | ||
With centered tach: | With centered tach: | ||
The RPM is calculated as the average speed during the block duration to be synchronized with the analyzed data. | The RPM is calculated as the average speed during the block duration to be synchronized with the analyzed data. | ||
[[File:ord_tach.PNG|500px]] | [[File:ord_tach.PNG|500px]] | ||
| Line 713: | Line 714: | ||
3. Display the waterfall, | 3. Display the waterfall, | ||
4. Select the Plug-in Tach, as a tachometer and reference | 4. Select the Plug-in Tach, as a tachometer and reference | ||
[[File:fft_tach.PNG|400px]] | [[File:fft_tach.PNG|400px]] | ||