Path: SC/Sensor
% Returns relative position information.
You enter a scale factor and a bias in the data structure.
The noise field should be set to zero when this is used a part of a
Kalman filter.
The field "k" selects the spacecraft position vector
Each column of kT selects a target spacecraft.
It returns the ECI relative position.
If no inputs are given it will return the default data structure.
Since version 11.
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Form:
y = MeasRelativePosition( x, d )
d = MeasRelativePosition
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Inputs
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x (n,1) State vector
d (1,1) Data structure
.k (1,3) Position
.kT (3,n) Target spacecraft
.scale (3,n) Scale factor
.bias (3,n) Bias
.noise (3,n) 1 sigma noise
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Outputs
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y (3*n,1) Measurements
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