Omega Phase Error Model Analysis.
NAVAL ELECTRONICS LAB CENTER SAN DIEGO CA
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Several past and present efforts have been directed toward using models of expected Omega phase error behavior to simulate and assess the performance of navigation systems using Omega signals. The suggested models contain functional forms and parameters describing various possible components of the Omega phase error such as prediction bias, random variations, temporal and spatial correlation, and equipment errors. This document presents analyses of the various aspects of Omega phase errors and provides appropriate updates or modifications, as indicated by recent data, to the parameters and functional forms of the presently used models. Modeling aspects related to diurnal transition errors and to the performance of Relative Omega are also discussed.
- Navigation and Guidance