利用高频天波返回散射反演台风中心和风速

鲁转侠; 李雪; 李吉宁; 华彩成; 吕哲

doi:10.11728/cjss2018.04.508

利用高频天波返回散射反演台风中心和风速

doi: 10.11728/cjss2018.04.508

中国电波传播研究所青岛 266107

基金项目:

国家海洋局海洋遥测工程技术研究中心创新青年基金项目和2016年环渤海区域科技协同创新基金项目（QYXM201606）共同资助

详细信息

作者简介:
鲁转侠,E-mail:zhuanxialu@163.com

中图分类号: P352
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- 被引次数: 0
出版历程
- 收稿日期: 2017-07-11
- 修回日期: 2017-11-27
- 刊出日期: 2018-07-15

Reconstruction of the Typhoon Center and Wind Speed Distribution Using HF Sky-wave Backscatter Spectrumormalsize

China Research Institute of Radiowave Propagation, Qingdao 266107

摘要

摘要: 通过分析高频天波返回散射地（海）杂波频谱分布特性，构建三谱滤波器模型，实现多类型频谱中一阶海杂波峰值比的提取，结果与实测数据吻合较好.基于台风中心与区域一阶海杂波峰值比相关性分析，结合后向差分法，有效确定了台风中心，结果与气象部门发布数据趋势上基本一致，平均绝对误差约38km.使用修正经验模型法初步开展了台风中心最大风速和台风中心附近的风速反演，结果与气象部门发布数据分布基本一致.研究结果表明高频天波返回散射探测对大范围、远距离海态监测具有重要意义.
- 高频返回散射 /
- 海杂波 /
- 后向差分 /
- 布拉格峰
Abstract: By analyzing the distribution characteristics of HF sky-wave backscatter clutter spectrum, the three-spectrum filter model is constructed to extract the Bragg line ratio in multi-type spectrum. The extractions are in good agreement with the measurements. Combining the backward difference method, the Typhoon center has been determined effectively on the basis of the correlation analysis of Typhoon center and the Bragg line ratio. The results are basically in line with the data released by the meteorological department. The average absolute error is about 38km. Using the modified empirical model, the maximum wind speed in Typhoon center and the wind speed near Typhoon center are preliminarily investigated. The reversions are basically consistent with the data released by the meteorological department. The results show that HF sky-wave backscatter sounding is of great significance and application value for state monitoring of the sea with wide range and long distance.
- HF backscatter /
- Sea clutter /
- Backward difference /
- Bragg peak

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参考文献(30)

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