FrequencyPattern (ORbit Extrapolation KIT 9.3 API)

java.lang.Object
- org.orekit.gnss.antenna.FrequencyPattern

```
public class FrequencyPattern
extends Object
```
Pattern for GNSS antenna model on one frequency.

Since:

9.2

Author:

Luc Maisonobe

See Also:

ANTEX: The Antenna Exchange Format, Version 1.4

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`FrequencyPattern(org.hipparchus.geometry.euclidean.threed.Vector3D eccentricities, PhaseCenterVariationFunction phaseCenterVariationFunction)`	Simple constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.hipparchus.geometry.euclidean.threed.Vector3D`	`getEccentricities()`	Get the phase center eccentricities.
`double`	`getPhaseCenterVariation(org.hipparchus.geometry.euclidean.threed.Vector3D direction)`	Get the value of the phase center variation in a signal direction.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FrequencyPattern
```
protected FrequencyPattern(org.hipparchus.geometry.euclidean.threed.Vector3D eccentricities,
                           PhaseCenterVariationFunction phaseCenterVariationFunction)
```
    Simple constructor.
    
    Parameters:
    
    eccentricities - phase center eccentricities (m)
    
    phaseCenterVariationFunction - phase center variation function
- Method Detail
  - getEccentricities
```
public org.hipparchus.geometry.euclidean.threed.Vector3D getEccentricities()
```
    Get the phase center eccentricities.
    
    Returns:
    
    phase center eccentricities (m)
  - getPhaseCenterVariation
```
public double getPhaseCenterVariation(org.hipparchus.geometry.euclidean.threed.Vector3D direction)
```
    Get the value of the phase center variation in a signal direction.
    
    Parameters:
    
    direction - signal direction in antenna reference frame
    
    Returns:
    
    value of the phase center variation