Dear Son,
You can make a function if you have a series of measurements.
You can compare results with a base signal, and then find a equation for it using cftool
Lets say channel(ch) = 2 then OSNR reduced 1
ch = 3, ONSR = 2
ch = 4, OSNR = 3
and so on
What you need to do is then go to the cftool
cftool
then assign the x and y data
x is the ch
y is the OSNR
Find a fit for it, whichever method you prefer.
Then you have an equation or relation between ch and OSNR which allows you to predict and tell the dependency of CH and OSNR.
Hope this helps
Good Luck!
