Changeset 29474

Timestamp:

Oct 17, 2010, 12:41:34 PM (16 years ago)

Author:

eugene

Message:

add notes

File:

• branches/eam_branches/ipp-20100823/psphot/doc/notes.20101013.txt (modified) (1 diff)

branches/eam_branches/ipp-20100823/psphot/doc/notes.20101013.txt

@@ +1 @@
+
+20101017
+  
+  pmSourceMoments:
+    * FWHM(src) vs FWHM(win) & 1st pass centroid accuracy (no noise)
+      * 4.0 : 6.0 -> 30% 
+      * 4.0 : 8.0 -> 20%
+      * 4.0 : 15.0 -> 6.7%
+   * FWHM(src) vs Tophat(radius)
+      * 4.0 : 5.0 -> ~30%
+      * 4.0 : 10.0 -> 0.2%
+      * 4.0 : 8.0 -> 3%
+      * 4.0 : 6.0 -> 18%
+      * 4.0 : 7.0 -> 9%
+
+  pmSourceMomentsGetCentroid(source, 8.0, 0.0, 0.0, 0);
+  pmSourceMomentsGetCentroid(source, 10.0, 8.0/2.35, 0.0, 0);
+
+  Io = 10000 : (S/N ~ 400)
+
+dX stats: -0.000708 +/- 0.004586
+dY stats: -0.000296 +/- 0.004678
+
+  Io = 1000 : (S/N ~ 100)
+
+dX stats: -0.000131 +/- 0.020428
+dY stats: 0.001038 +/- 0.020556
+
+  Io = 100 : (S/N ~ 10)
+
+dX stats: -0.025900 +/- 0.166111
+dY stats: 0.025336 +/- 0.169681
 
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