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Journal of Projectiles, Rockets, Missiles and Guidance >

2019 , Vol. 39 >Issue 6: 116 - 119

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2019.06.025

Application of OPTA Algorithm in Parameter Estimation of Frequency-hopping Signals

  • WANG Xinyi ,
  • NAN Xinmeng ,
  • LI Keda ,
  • WANG Jian ,
  • FAN Zhongping
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  • Xi’an Modern Control Technology Research Institute, Xi’an 710065, China

Received date: 2018-03-11

  Online published: 2025-05-12

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Abstract

Under the condition of low SNR,the parameter estimation of Frequency-hopping Signals based on image processing has many shortcomings such as too many noise points and insufficient refinement in time-frequency image.In this paper,SPWVD time-frequency image of frequency-hopping signal is extracted and using morphological filtering,threshold segmentation and OPTA (One Pass Thinning Algorithms) thinning to preprocess the image,the experimental simulation shows that the method can complete the purpose of noise reduction and refiniment,optimizing the shortcomings of common image processing methods,then the ideal of parameter estimation in image processing is further expanded.

Key words： frequency-hopping signal; time-frequency image; preprocessing; OPTA algorithm

Cite this article

WANG Xinyi , NAN Xinmeng , LI Keda , WANG Jian , FAN Zhongping . Application of OPTA Algorithm in Parameter Estimation of Frequency-hopping Signals[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2019 , 39(6) : 116 -119 . DOI: 10.15892/j.cnki.djzdxb.2019.06.025

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