add wow correction to agc

happycube · May 26, 2020 · 748048c · 748048c
1 parent a607b4e
commit 748048c
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/lddecode/core.py b/lddecode/core.py
@@ -2636,9 +2636,13 @@ def detectLevels(self, field):
         for l in range(1,8):
             lsa = field.lineslice(l, 10, 10)
             lsb = field.lineslice(l, 40, 10)
+
+            # compute wow adjustment
+            thislinelen = field.linelocs[l + field.lineoffset] - field.linelocs[l + field.lineoffset - 1]
+            adj = field.rf.linelen / thislinelen
 
-            hlevels.append(np.mean(field.data['video']['demod_05'][lsa]))
-            hlevels.append(np.mean(field.data['video']['demod_05'][lsb]))
+            hlevels.append(np.mean(field.data['video']['demod_05'][lsa]) / adj)
+            hlevels.append(np.mean(field.data['video']['demod_05'][lsb]) / adj)
 
         # Now group them by level (either sync or ire 0) and return the means of those
         sync_hzs = []