The Influence of Attitude Dilution of Precision on the Observable Degree and Observability Analysis With Different Numbers of Visible Satellites in a Multi-Antenna GNSS/INS Attitude Determination System
作者： Yong Wang , Xiubin Zhao , Chunlei Pang , Bo Feng , Liang Zhang
DOI: 10.1109/ACCESS.2018.2825338
关键词:
摘要: The observability and observable degree of attitude errors in tightly coupled global navigation satellite system/inertial system determination are studied this paper. mathematical relationship between the dilution precision (ATDOP) is determined by singular value decomposition Gramian. influence ATDOP on analyzed. analysis under different numbers visible satellites performed via a rank test results field demonstrate that, higher error will be obtained for pitch, roll yaw at given time lower ATDOP. When number equivalent, leads to any one three attitudes times. Moreover, show that all externally condition least with antennas.
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