Path: SCPro/ProSensors
% Navigation measurement model. frames are 'eci' and 'helio' type is 'chordwidth' 'star and center' 'star and horizon' 'landmark' 'range' 'range rate' Type NavigationMeasurement for a demo. -------------------------------------------------------------------------- Form: [m, u] = NavigationMeasurement( r, q, jD, d ) -------------------------------------------------------------------------- ------- Inputs ------- r (3,n) Position (km) q (4,n) Quaternion from ECI to body jD (1,n) Julian date (day) d (1,1) Data structure .rSensor (3,1) Position of sensor (m) .bBodyToSensor (3,3) Transforms from body frame to sensor frame .bPlanetToECI {n} Transforms from planet frame to ECI frame .radiusP (3,1) Radius of planet (km) .rCM (3,1) Center of mass (m) .omega (3,1) Body rotation .f (1,1) Focal length(mm) .v (3,n) Velocity (km/s) .rP (3,n) Planet position (km) .vP (3,n) Planet velocity (km/s) .omegaP (3,1) Planet rotation vector .uStar (3,1) Star unit vector in ECI frame .frame (1,:) Sting for frame .type (1,:) String for type ------- Outputs ------- m (:,n) Measurements u (1,:) Units --------------------------------------------------------------------------
Common: Graphics/Plot2D Common: Quaternion/Q2Mat Common: Time/JD2000 Math: Linear/Mag Math: Linear/Skew Math: Linear/Unit
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