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The Analysis on the Precision of Differential UAV onboard Pseudolite

Zou Shi-kai

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Abstract

The fundamental concept and application of pseudolites is presented at first.The working mode of UAV onboard pseudolite system is described.After the deep analysis of the system error sources,the differential technique for UAV onboard pseudolite system is provided.The principle and implementation method of such differential positioning is introduced.Simulation results show that it can effectively reduce the clock offset of pseudolites which is the biggest error source,and the position precision is much better than before.

About this research paper

What this paper is about

The fundamental concept and application of pseudolites is presented at first.The working mode of UAV onboard pseudolite system is described.After the deep analysis of the system error sources,the differential technique for UAV onboard pseudolite system is provided.The principle and implementation method of such differential positioning is introduced.Simulation results show that it can effectively reduce the clock offset of pseudolites which is the biggest error source,and the position precision is much better than before.

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Available abstract

The fundamental concept and application of pseudolites is presented at first.The working mode of UAV onboard pseudolite system is described.After the deep analysis of the system error sources,the differential technique for UAV onboard pseudolite system is provided.The principle and implementation method of such differential positioning is introduced.Simulation results show that it can effectively reduce the clock offset of pseudolites which is the biggest error source,and the position precision is much better than before.

Key concepts: Offset (computer science), Computer science, Differential (mechanical device), Positioning system, Position (finance), Mode (computer interface), Real-time computing, Remote sensing

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