View Single Post
  #18  
Old 30-10-2013, 07:56 AM
multiweb's Avatar
multiweb (Marc)
ze frogginator

multiweb is offline
 
Join Date: Oct 2007
Location: Sydney
Posts: 22,060
Quote:
Originally Posted by Merlin66 View Post
Hmmm
Just a question...
You talk about average combine and median combine....
Surely the need is to sum the subs - to lift the total signal...a higher total signal would reduce the shot SNR??
See above from Placidus. Just a different scale.

Quote:
Assuming floating point (not integer) arithmetic, there is no difference in signal to noise ratio between a sum combine and a mean combine.
Reply With Quote