Changeset 6744
- Timestamp:
- 03/04/05 14:09:19 (20 years ago)
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trunk/MagicSoft/TDAS-Extractor/MAGIC_signal_reco.tex
r6658 r6744 55 55 It is shown that the digital filter 56 56 can be used to extract and fit single photo-electron pulses from the night sky background. 57 The achievable time resolution can be parameterized to be: 58 \begin{equation} 59 \Delta T_{\mathrm{cosmics}} \approx \sqrt{\frac{(2\,\mathrm{ns})^2}{<Q>/{\mathrm{phe}}} 60 + \frac{(4.5\,\mathrm{ns})^2}{<Q>^2/{\mathrm{phe^2}}} + (0.2\,\mathrm{ns})^2} . \nonumber 61 \label{eq:time:fitprediction} 62 \end{equation} 57 The achievable time resolution has been derived as a function of the incident number of 58 photo-electrons. 59 %\begin{equation} 60 %\Delta T_{\mathrm{cosmics}} \approx \sqrt{\frac{(2\,\mathrm{ns})^2}{<Q>/{\mathrm{phe}}} 61 %+ \frac{(4.5\,\mathrm{ns})^2}{<Q>^2/{\mathrm{phe^2}}} + (0.2\,\mathrm{ns})^2} . \nonumber 62 %\label{eq:time:fitprediction} 63 %\end{equation} 63 64 For galactic backgrounds an image cleaning threshold as low as 5~photo-electrons can be achieved 64 65 without using the timing information and for rejecting 99.7\% of noise.
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