US Patent 9971037 Anomaly detection using an antenna baseline constraint
Patent 9971037 was granted and assigned to NORTHROP GRUMMAN SYSTEMS CORPORATION on May, 2018 by the United States Patent and Trademark Office.
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Systems and methods are provided for monitoring carrier phase anomalies in a range finding system. A relative carrier phase between first and second antennas is predicted as a function of a relative position between the two antennas. A relative carrier phase between the first and second receivers is measured based upon at least one transmitted signal received at each of the first and second antennas. An anomaly detection metric is calculated as a difference between the measured relative carrier phase and the predicted relative carrier phase. It is then determined if an anomaly is present according to the anomaly detection metric.
US Patent 09971037 Anomaly detection using an antenna baseline constraint US Patent 9971037 Anomaly detection using an antenna baseline constraint
US Patent 09971037 Anomaly detection using an antenna baseline constraint
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