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- W4385615213 abstract "Aiming at the problem that the combined navigation accuracy of marine Strapdown Inertial Navigation System (SINS) and Laser Doppler Velocimetry (LDV) is limited by the calibration accuracy of LDV, a calibration method of LDV for marine was proposed. Firstly, the working principle of LDV in marine integrated navigation system is analyzed, and then the error model of 1D LDV is established. Then, starting from the calibration method of LDV in land integrated navigation system, the calibration method of LDV in marine integrated navigation system is explored. The mean value method is proposed to estimate the velocity of water flow in the frame alignment stage, and then parameters analytical calibration and filtering calibration are carried out for marine LDV. In the filtering calibration stage, a velocity correction filtering calibration method based on DGPS is proposed. The influence of the change of water velocity on the calibration results is avoided. Finally, simulation experiments are carried out to verify the feasibility of the calibration method." @default.
- W4385615213 created "2023-08-07" @default.
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- W4385615213 date "2023-08-07" @default.
- W4385615213 modified "2023-10-16" @default.
- W4385615213 title "Research on calibration method of one-dimensional marine LDV" @default.
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- W4385615213 doi "https://doi.org/10.1117/12.2687365" @default.
- W4385615213 hasPublicationYear "2023" @default.
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