ESA:

Path: SC/Sensor

% Simulates an ideal earth sensor measuring roll and pitch. 
   This generates roll and pitch angles based on the angle between the 
   boresight and nadir. It does not model the physical mechanisms in earth 
   sensors.

   Since version 1.
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   Form:
   [roll, pitch] = ESA( qIToB, uBS, uPitch, nadir, limit, noise )
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   ------
   Inputs
   ------
   qIToB       (4,1)  Quaternion from the inertial to the body frame
   uBS         (3,1)  Boresight unit vector
   uPitch      (3,1)  Pitch Axis unit vector
   nadir       (3,1)  Nadir vector (ECI)
   limit       (2,1)  [roll;pitch] limits (rad)
   noise       (2,1)  [roll;pitch] noise (rad)


   -------
   Outputs
   -------
   roll               Roll angle
   pitch              Pitch angle

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Children:

Common: Quaternion/QForm
Math: Linear/Cross
Math: Linear/Unit

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