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A simple analytic method for the evaluation of the performance of a radiolocation system
Institution:1. Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore;2. Beihang University, 37 Xueyuan Road, Haidian District, Beijing 100191, PR China;1. Geodetic Data Processing Center of Ministry of Natural Resources, Shaanxi Bureau of Surveying Mapping and Geoinformation, Xi''an 710054, China;2. Geodetic Data Processing Center of Ministry of Natural Resources, Xi''an 710054, China;3. The First Geodetic Surveying Bridge of Ministry of Natural Resources, Xi''an 710054, China;4. The Second Topographic Surveying Brigade of Natural Resources, Xi''an 710054, China;1. College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541006, China;2. Wuhan Changjiang Waterway Rescue and Salvage Bure, Wuhan 430014, China;3. Guangxi Institute of Natural Resources Survey and Monitoring, Nanning, 530023, China
Abstract:The problem is, knowing the distribution over the world of a set of radiolocation beacons, and the individual performance of any beacon, to evaluate the performance of the global system so obtained for the localization of a satellite on a particular orbit.Under some very realistic assumptions on the orbit, the author gives an analytical formulation of the covariance of the computation of the satellite position.The formulation is illustrated in one particular case: localization of a GEO with a ground network (distance and angular measurements), but may be used in much different situations.The results take into account the “white” measurement noise and the “colored” modelization noise.The method can be very helpful in mission analysis for the optimal dimensioning of a radiolocation system.
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