Changeset 6590
- Timestamp:
- 02/18/05 13:58:52 (20 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/MagicSoft/TDAS-Extractor/Criteria.tex
r6583 r6590 94 94 \subsection{Stability} 95 95 96 The signal extraction algorithms has to stabelly reconstruct the charge for different types of pules with different intrinsic shapes and backgrounds: 96 The signal extraction algorithms has to reconstruct stably the charge for different types of pulses 97 with different intrinsic pulse shapes and backgrounds: 97 98 98 99 \begin{itemize} … … 102 103 \end{itemize} 103 104 104 An important point is the difference between the pulse shapes of the calibration and Cherenkov signals. It has to be ensured that the calibration factor between the reconstructed charge in FADC counts and photo electrons for calibration events can be applied to Cherenkov signals. 105 An important point is the difference between the pulse shapes of the calibration and Cherenkov signals. It has to be ensured that the 106 computed calibration factor between the reconstructed charge in FADC counts and photo electrons for calibration events 107 is valid for signals from Cherenkov photons. 105 108 106 109 107 110 \subsection{Applicability for Different Sampling Speeds / No Pulse Shaping.} 108 The current read-out system of the MAGIC telescope \cite{Magic-DAQ} with 300 MSamples/s is relatively slow compared to the fast pulses of about 2 ns FWHM of Cherenkov pulses. To acquire the pulse shape an artificial pulse shaping to about 6.5 ns FWHM is used. Thereby also more LONS is integrated that acts as noise. 111 The current read-out system of the MAGIC telescope~\cite{Magic-DAQ} with 300~MSamples/s is relatively slow compared to the fast pulses of 112 about 2\,ns FWHM of Cherenkov pulses. 113 To acquire the pulse shape an artificial pulse shaping to about 6.5\,ns FWHM is used. Thereby also more night sky background light 114 is integrated which acts as noise. 109 115 110 116 For 2 ns FWHM fast pulses a 2 GSamples/s FADC provides at least 4 sampling points. This permits a reasonable reconstruction of the pulse shape. First prototype tests with fast digitization systems for MAGIC have been successfully conducted \cite{GSamlesFADC}. The signals have been reconstructed within the common MAGIC Mars software framework.
Note:
See TracChangeset
for help on using the changeset viewer.