NPM/numass-framework
4
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed dead time calculation formula

Browse Source
This commit is contained in:
Alexander Nozik 2016-11-16 18:57:53 +03:00
parent c57d1e26ef
commit 48170cd353
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
numass-main/src/main/java/inr/numass/utils/TritiumUtils.java
View File

@ -28,7 +28,6 @@ import java.util.Map;
import static java.lang.Math.*; import static java.lang.Math.*;
/** /**
*
* @author Darksnake * @author Darksnake
*/ */
public class TritiumUtils { public class TritiumUtils {
@ -113,8 +112,10 @@ public class TritiumUtils {
double res; double res;
if (deadTime > 0) { if (deadTime > 0) {
double total = p.getEventsCount(); double total = p.getEventsCount();
double time = p.getLength(); // double time = p.getLength();
res = wind / (1 - total * deadTime / time); // res = wind / (1 - total * deadTime / time);
double timeRatio = deadTime / p.getLength();
res = wind / total * (1d - Math.sqrt(1d - 4d * total * timeRatio)) / 2d / timeRatio;
} else { } else {
res = wind; res = wind;
} }
@ -122,7 +123,7 @@ public class TritiumUtils {
} }
public static double countRateWithDeadTimeErr(NMPoint p, int from, int to, double deadTime) { public static double countRateWithDeadTimeErr(NMPoint p, int from, int to, double deadTime) {
return Math.sqrt(countRateWithDeadTime(p,from, to, deadTime) / p.getLength()); return Math.sqrt(countRateWithDeadTime(p, from, to, deadTime) / p.getLength());
} }
/** /**