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  • Chinese Optics Letters
  • Vol. 22,
  • Issue 4,
  • pp. 040101-
  • (2024)

Coherent Doppler lidar wind retrieval for a typhoon based on the genetic simulated annealing algorithm

Zhen Liu, Lucheng Yuan, Jie Tang, Yunpeng Zhang, Jiqiao Liu, Xiaopeng Zhu, Juxin Yang, Wei Shi, and Weibiao Chen

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Abstract

A method of spectrum estimation based on the genetic simulated annealing (GSA) algorithm is proposed, which is applied to retrieve the three-dimensional wind field of typhoon Nangka observed by our research group. Compared to the genetic algorithm (GA), the GSA algorithm not only extends the detection range and guarantees the accuracy of retrieval results but also demonstrates a faster retrieval speed. Experimental results indicate that both the GA and GSA algorithms can enhance the detection range by 35% more than the least squares method. However, the convergence speed of the GSA algorithm is 17 times faster than that of the GA, which is more beneficial for real-time data processing.

© 2024 Chinese Laser Press

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