1. FONT Meeting1 3-BPM resolution with digital filtering N. Blaskovic

2. Contents 3-BPM resolution using –Single-sample point & averaging –Fitting & transfer matrices –Raw unfiltered data & 25 MHz digital LPF FONT Meeting2N. Blaskovic

3. Data Data from 12 June 2015 (first shift with high β optics for 3-BPM resolution studies) No 714 MHz or C-band BPFs Charge: 0.7 x 10 10 FONT Meeting3N. Blaskovic

4. No filtering Single-sample resolution –~90 nm by fitting –~100 nm using transfer matrices Multi-point averaging (not integration!) resolution –~50 nm by fitting –~50 nm using transfer matrices FONT Meeting4N. Blaskovic

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7. 25 MHz digital LPF Single-sample resolution better than without digital LPF (except IPC with fitting) Multi-point averaging resolution worse than with digital LPF IPC resolution worse than that of IPA and IPB (when fitting) FONT Meeting7N. Blaskovic

8. FONT Meeting8N. Blaskovic

9. FONT Meeting9N. Blaskovic

10. 3-BPM resolution FONT Meeting10N. Blaskovic BPM Resolution (nm) Unfiltered25 MHz digital LPF FittingGeometricFittingGeometric PointAve.PointAve.PointAve.PointAve. IPA8847 9950 7156 8574 IPB91477056 IPC894910267