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Research on Relative GDOP and Optimal Sensor Placement in Multi-sensor Cross-location Systems
Received date: 2019-08-12
Request revised date: 2019-08-22
Online published: 2022-04-28
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The ratio between the location covariance and weighted average distance is proposed to redefine RGDOP(relative Geometric Dilution of Precision), since the original definition of RGDOP in two-sensor cross-location systems can not be expanded to multi-sensor systems. On this basis, the lowest RGDOP and its necessary-sufficient conditions are discussed, and the formulas are verified by some examples. When the distances between the sensors and the target are known but the N-S conditions can not hold, the lowest RGDOP and the optimal sensor location problem are discussed, and the results are shown.
LUO Shuang-xi . Research on Relative GDOP and Optimal Sensor Placement in Multi-sensor Cross-location Systems[J]. Command Control and Simulation, 2020 , 42(2) : 7 -11 . DOI: 10.3969/j.issn.1673-3819.2020.02.002
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