Design for Guided Rocket INS Aided GNSS Tracking Loop

WANG Xinlong; LEI Yifei; ZHAO Qi; WU Peng

doi:10.15892/j.cnki.djzdxb.2023.03.013

Journal of Projectiles, Rockets, Missiles and Guidance >

2023 , Vol. 43 >Issue 3: 87 - 92

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.03.013

Design for Guided Rocket INS Aided GNSS Tracking Loop

WANG Xinlong ,
LEI Yifei ,
ZHAO Qi ,
WU Peng

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Xi'an Modern Control Technology Research Institute,Xi'an 710065, Shaanxi, China

Received date: 2022-03-01

Online published: 2025-02-07

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Abstract

In order to improve the stable tracking performance of guided rocket GNSS in high dynamic environment, a method for using the INS of the missile aided GNSS carrier tracking loop was proposed, which INS was used to estimate the doppler frequency information of GNSS, to control the carrier and code generator of the GNSS tracking loop’s local signal and reduce the influence of high dynamic environment on GNSS tracking loop. The simulation result shows that this method can effectively reduce the tracking loop phase error and doppler frequency tracking error, and improve the stable tracking performance of GNSS in high dynamic environment.

Key words： INS aided GNSS; phase error; Doppler frequency error; stable tracking

Cite this article

WANG Xinlong , LEI Yifei , ZHAO Qi , WU Peng . Design for Guided Rocket INS Aided GNSS Tracking Loop[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2023 , 43(3) : 87 -92 . DOI: 10.15892/j.cnki.djzdxb.2023.03.013

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