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Journal of Projectiles, Rockets, Missiles and Guidance >

2015 , Vol. 35 >Issue 5: 155 - 158,164

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2015.05.036

CORRELATION TECHNOLOGY

TACAN Azimuth and Scanning Frequency Joint Accurate Estimation Algorithm

  • JIANG Liru ,
  • ZHANG Bin ,
  • ZENG Dingkun ,
  • ZHANG Bo
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  • Information and Navigation College, Air Force Engineering University, Xi'an 710077, China

Received date: 2014-11-26

  Online published: 2025-05-28

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Abstract

A TACAN frequency estimation algorithm based on Taylor expansion was proposed for the azimuth estimation performance problems caused by deviations in beacon antenna rotating frequency, which greatly improved estimation precision, but this algorithm was greatly influenced by noise. The azimuth estimation method based on frequency offset of quadratic curve fitting was proposed for the existing problem. The results show that the azimuth estimation error decreased by using the quadratic curve fitting and the influence caused by noise was small. The algorithm could achieve high-precision calculation of TACAN azimuth, and the method is stable and accessible for engineering realization.

Key words： TACAN signal; Taylor expansion; frequency offset estimation; quadratic curve fitting; azimuth calculation

Cite this article

JIANG Liru , ZHANG Bin , ZENG Dingkun , ZHANG Bo . TACAN Azimuth and Scanning Frequency Joint Accurate Estimation Algorithm[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2015 , 35(5) : 155 -158,164 . DOI: 10.15892/j.cnki.djzdxb.2015.05.036

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