Chaotic Characteristics in HF Radar Backscatter from the Ocean Surface

DONG Hua-chun; ZONG Cheng-ge; QUAN Tai-fan

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Chaotic Characteristics in HF Radar Backscatter from the Ocean Surface

更新时间：2025-07-16

- Chaotic Characteristics in HF Radar Backscatter from the Ocean Surface
- Acta Electronica Sinica Vol. 28, Issue 3, Pages: 25-28(2000)
- 作者机构：
  
  哈尔滨工业大学电子工程技术研究所,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN958
- Published：2000
- 稿件说明：
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DONG Hua-chun, ZONG Cheng-ge, QUAN Tai-fan. Chaotic Characteristics in HF Radar Backscatter from the Ocean Surface[J]. Acta Electronica Sinica, 2000, 28(3): 25-28.
DOI：

DONG Hua-chun, ZONG Cheng-ge, QUAN Tai-fan. Chaotic Characteristics in HF Radar Backscatter from the Ocean Surface[J]. Acta Electronica Sinica, 2000, 28(3): 25-28. DOI：

摘要

高频波段海洋回波信号表现了非线性和频谱时变性.传统的谱分析方法

无法反映回波信号在时间上的演化规律.本文应用混沌动力学方法分析和计算了高频波段海波回波信号的混沌特性参数

并通过高频地波雷达实测数据的验证

首次得到了高频无线电波海洋回波信号呈现混沌特性的结论.这一结论对高频雷达目标探测和海态遥感研究都具有重要意义.

Abstract

HF radar backscatter from the ocean surface shows nonlinearities and time variation of its spectrum.However

the spectrum analysis method cannot reflect the evolution of the HF backscatter in time domain.In this paper

the chaotic dynamic approach is used to analyze the chaotic characteristics of the HF backscatter

and based on the observed data

it is concluded for the first time that the HF radar backscatter from the ocean surface possesses some nature of chaotic process.This conclusion will be of much significance in the target detection and ocean sensing of HF radar.

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