Update noisepower.py

Resolve an issue causing infinite SNR vlaues in BOREALIS data with noise level < 1. For more detail see SuperDARN/rst#420 (comment).
pasha-ponomarenko · Aug 9, 2021 · 3f3e453 · 3f3e453
1 parent 3be965d
commit 3f3e453
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/backscatter/fitacf/noisepower.py b/backscatter/fitacf/noisepower.py
@@ -69,7 +69,7 @@ def acf_cutoff_pwr(raw_data):
 
         min_pwr = min_pwr/j * NoisePower.cutoff_power_correction(raw_data)
 
-        if min_pwr < 1.0:
+        if min_pwr < 1.0 and raw_data['noise.search'] > 0:
             min_pwr = raw_data['noise.search']
 
-        return min_pwr
+        return min_pwr