source: tags/Mars-V0.9.4/manalysis/MEventRate.cc

Last change on this file was 2780, checked in by tbretz, 21 years ago
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1/* ======================================================================== *\
2!
3! *
4! * This file is part of MARS, the MAGIC Analysis and Reconstruction
5! * Software. It is distributed to you in the hope that it can be a useful
6! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
7! * It is distributed WITHOUT ANY WARRANTY.
8! *
9! * Permission to use, copy, modify and distribute this software and its
10! * documentation for any purpose is hereby granted without fee,
11! * provided that the above copyright notice appear in all copies and
12! * that both that copyright notice and this permission notice appear
13! * in supporting documentation. It is provided "as is" without express
14! * or implied warranty.
15! *
16!
17!
18! Author(s): Thomas Bretz, 11/2003 <mailto:tbretz@astro.uni-wuerzburg.de>
19!
20! Copyright: MAGIC Software Development, 2000-2004
21!
22!
23\* ======================================================================== */
24
25/////////////////////////////////////////////////////////////////////////////
26//
27// MEventRate
28//
29// Storage Container for the event rate.
30//
31// rate = Number of events / time in which the events were recorded
32// r = N / t
33// s = t / N = 1 / r mean time interval between consecutive events
34//
35// for an exponential distribution of the time differences d between
36// consecutive events:
37//
38// s = <d>
39// sigma(d) = <d> = s
40// delta(s) = sigma(d) /sqrt(N) = s / sqrt(N)
41// delta(s) / s = 1 / sqrt(N)
42//
43// delta(r) / r = delta(s) / s = 1 / sqrt(N)
44//
45/////////////////////////////////////////////////////////////////////////////
46#include "MEventRate.h"
47
48#include "MLog.h"
49#include "MLogManip.h"
50
51ClassImp(MEventRate);
52
53using namespace std;
54
55// --------------------------------------------------------------------------
56//
57// Default constructor.
58//
59MEventRate::MEventRate(const char *name, const char *title) : fRate(-1)
60{
61 fName = name ? name : "MEventRate";
62 fTitle = title ? title : "Storage container for the event rate [Hz]";
63}
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