PhaseCenterVariationFunction (OREKIT 13.0-SNAPSHOT API)

All Known Implementing Classes:

OneDVariation, TwoDVariation
```
public interface PhaseCenterVariationFunction
```
Model for antennas phase center variations.

Since:

9.2

Author:

Luc Maisonobe

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`value(double polarAngle, double azimuthAngle)`	Evaluate phase center variation in one signal direction.

- Method Detail
  - value
```
double value(double polarAngle,
             double azimuthAngle)
```
    Evaluate phase center variation in one signal direction.
    
    Parameters:
    
    polarAngle - angle from antenna axial direction (zenith angle for receiver antennas, nadir angle for GNSS satellites antennas)
    
    azimuthAngle - angle around axial direction, counted from +X to +Y (note that this convention is consistent with Vector3D.getAlpha(), but it is different from TrackingCoordinates.getAzimuth(), so care must be taken when using this for ground receivers)
    
    Returns:
    
    phase center variation in the signal direction (m)