PhaseCentersPhaseModifier.java
- /* Copyright 2002-2024 Luc Maisonobe
- * Licensed to CS GROUP (CS) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * CS licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.orekit.estimation.measurements.modifiers;
- import java.util.Collections;
- import java.util.List;
- import org.orekit.estimation.measurements.EstimatedMeasurementBase;
- import org.orekit.estimation.measurements.EstimationModifier;
- import org.orekit.estimation.measurements.gnss.Phase;
- import org.orekit.gnss.antenna.FrequencyPattern;
- import org.orekit.utils.ParameterDriver;
- /** Ground and on-board antennas offsets effect on phase measurements.
- * @author Luc Maisonobe
- * @since 12.0
- */
- public class PhaseCentersPhaseModifier
- extends PhaseCentersGroundReceiverBaseModifier<Phase>
- implements EstimationModifier<Phase> {
- /** Simple constructor.
- * @param stationPattern station pattern
- * @param satellitePattern satellite pattern
- */
- public PhaseCentersPhaseModifier(final FrequencyPattern stationPattern,
- final FrequencyPattern satellitePattern) {
- super(stationPattern, satellitePattern);
- }
- /** {@inheritDoc} */
- @Override
- public List<ParameterDriver> getParametersDrivers() {
- return Collections.emptyList();
- }
- /** {@inheritDoc} */
- @Override
- public void modifyWithoutDerivatives(final EstimatedMeasurementBase<Phase> estimated) {
- estimated.modifyEstimatedValue(this,
- estimated.getEstimatedValue()[0] +
- oneWayDistanceModification(estimated) /
- estimated.getObservedMeasurement().getWavelength());
- }
- }