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[Solved] Locate Noise floor level for a spectral data collected by a micro-controller in Python

 
Arduino
Last Post by Hans 5 years ago
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 ranjanpal
(@ranjanpal)
Eminent Member
Joined: 5 years ago
Posts: 15
Topic starter December 19, 2020 1:31 AM  

I have frequency spectrum which looks as such:

 

Attachment : noise floor.png

 

Below -40dB (as shown in red box), the data can be seen to have noise components.

How do we locate this (-40dB) without plotting the graph in Python?

If somebody could please let me know how do we go about this, I would be very much thankful.

This topic was modified 5 years ago by ranjanpal

   
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 Hans
(@hans)
Famed Member Admin
Joined: 12 years ago
Posts: 2886
December 19, 2020 5:51 AM  

Hi Ranjan ...

Ehm that quite the questions ... 😜 
I guess it depends on how you get the data (in what format) ?


   
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