SSA:

Path: SC/Sensor

% Simulates a single axis suns sensor

   Since version 1.
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   Form:
    [cEP, dTCEP, uSunBodyOld, angleSSA] = SSA( qECIToBody, uSunECI,
                                               uSunBodyOld, dT )
    [cEP, dTCEP, uSunBodyOld, angleSSA] = SSA( qECIToBody, uSunECI,
                                               uSunBodyOld, dT, boresight,
                                               aperture, aperXBore, cosFOV,
                                               angleSSAOld )
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   ------
   Inputs
   ------
   qECIToBody       (4,1)  Quaternion from the inertial to the body frame
   uSunECI          (3,1)  Sun unit vector in the ECI frame
   uSunBodyOld      (3,1)  Last value of the sun in the body frame
   dT                      Time step
   boresight        (3,1)  Sensor boresight axis
   aperture         (3,1)  Sensor aperture axis 
   aperXBore        (3,1)  Aperture X boresight
   cosFOV           (1,1)  Cosine of the field of view angle
   angleSSAOld      (1,1)  Last sun sensor angle

   -------
   Outputs
   -------
   cEP              (1,1)  1 if sun just passed through the sensor boresight/
                           spin-axis plane
   dTCEP            (1,1)  Time since the CEP
   uSunBodyOld      (3,1)  Last value of the sun in the body frame
   angleSSA         (1,1)  Angle between the boresight axis and the sun vector

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Children:

Common: Quaternion/QForm

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