Hi All,
I had a doubt regarding the working principle of the IR sensors.
With reference to the "Theory Of operation" mentioned in our Wiki pages,
it is said that : *the sensors typically have a 100 degree field of view
and produce a somewhat sinusoidal voltage response relative to their
angle orientation. as seen in the plot to the right.*But we are not able
to understand the plot shown.
It had been earlier mentioned that the IR voltage is proportional to the :
* The angle of the aircraft
* The local ground/sky temperature difference
But the plot does not seem to follow this.Can someone please explain
this? The link for the plot
:http://paparazzi.enac.fr/wiki/Image:Ir_response_curve.gif
Thanks for your time.
Regards
Arun
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