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Underwater Horizontal Attitude Determination Technology Based on Fusion Power Circle Theory and Improved 3D Cone Hough Transform
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
An Improved LKF Integrated Navigation Algorithm Without GNSS Signal for Vehicles with Fixed-Motion Trajectory
1. Introduction This paper presents a combination navigation algorithm designed for vehicles following fixed-motion trajectories in a satellite navigation rejection environment (SNRE). Vehicles with fixed-motion trajectories encompass railcars and vehicles navigating narrow roads. Railcars include high-speed trains, conventional trains, subways, light rail, roller coasters, and so on. Narrow roads are defined as having a width slightly larger than the vehicle’s body width.
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