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Vehicular Two-satellite Positioning System Based on GPS/DR

LI Shu-guang

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Abstract

While GPS is practical currently,it needs more than 4 observed GPS satellites to work.This paper presents an integrated navigation system based on the information provided by digital map,including two-satellite positioning based on the information provided by the digital map and DR system and its filtering algorithm.Experiments show that the integrated navigation system can provide precise positioning result and enhance the adaptability of vehicles in the complex environment of cities.

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What this paper is about

While GPS is practical currently,it needs more than 4 observed GPS satellites to work.This paper presents an integrated navigation system based on the information provided by digital map,including two-satellite positioning based on the information provided by the digital map and DR system and its filtering algorithm.Experiments show that the integrated navigation system can provide precise positioning result and enhance the adaptability of vehicles in the complex environment of cities.

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Available abstract

While GPS is practical currently,it needs more than 4 observed GPS satellites to work.This paper presents an integrated navigation system based on the information provided by digital map,including two-satellite positioning based on the information provided by the digital map and DR system and its filtering algorithm.Experiments show that the integrated navigation system can provide precise positioning result and enhance the adaptability of vehicles in the complex environment of cities.

Key concepts: Global Positioning System, Computer science, Satellite navigation, Satellite, Adaptability, Navigation system, Assisted GPS, Precision Lightweight GPS Receiver

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