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A high sensitivity carrier frequency tracking algorithm for satellite navigation receiver

Published: 01 February 2021 Publication History

Abstract

Satellite navigation signals may face complex use environment, and the signal strength may be as low as - 160dBm. For weak signals, a high-sensitivity tracking algorithm based on carrier frequency locking condition is designed. Taking the output of frequency discriminator in the tracking channel as the observation measurement, a carrier frequency Kalman tracking filter for navigation signal is designed, which simplifies the calculation complexity of traditional Kalman filter, and realizes the stable tracking of 160dBm signal. Through the adaptive adjustment of Kalman filter, the stable tracking under different strength and dynamic navigation signals can be realized. The greater the signal strength is, the higher the tracking accuracy will be.

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Cited By

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  • (2024)Navigational Errors in Small Unmanned Aerial Systems (sUAS) – A Short Review2024 Cyber Awareness and Research Symposium (CARS)10.1109/CARS61786.2024.10778852(1-6)Online publication date: 28-Oct-2024

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  1. A high sensitivity carrier frequency tracking algorithm for satellite navigation receiver

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      cover image ACM Other conferences
      EITCE '20: Proceedings of the 2020 4th International Conference on Electronic Information Technology and Computer Engineering
      November 2020
      1202 pages
      ISBN:9781450387811
      DOI:10.1145/3443467
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Publication History

      Published: 01 February 2021

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      Author Tags

      1. Carrier frequency
      2. High sensitivity
      3. Navigation signal
      4. Signal tracking

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      EITCE '20 Paper Acceptance Rate 214 of 441 submissions, 49%;
      Overall Acceptance Rate 508 of 972 submissions, 52%

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      • (2024)Navigational Errors in Small Unmanned Aerial Systems (sUAS) – A Short Review2024 Cyber Awareness and Research Symposium (CARS)10.1109/CARS61786.2024.10778852(1-6)Online publication date: 28-Oct-2024

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