中山站高频雷达观测结果初步分析

doi:10.3724/SP.J.1084.2012.00397

极地研究 ›› 2012, Vol. 24 ›› Issue (4): 397-407.DOI: 10.3724/SP.J.1084.2012.00397

中山站高频雷达观测结果初步分析

刘二小^1，2 胡红桥² 刘瑞源² 吴振森¹ 吴铭君² 杨惠根² 张北辰²

¹西安电子科技大学理学院，陕西西安 710071；
²国家海洋局极地科学重点实验室，中国极地研究中心，上海 200136

收稿日期:2012-03-20 修回日期:2012-06-15 出版日期:2012-12-30 发布日期:2012-12-30
通讯作者: 刘二小
基金资助:
国家自然科学基金;863项目;海洋公益项目

INITIAL RESULTS FROM THE ZHONGSHAN HF RADAR IN ANTARCTICA

Liu Erxiao^{1, 2}, Hu Hongqiao², Liu Ruiyuan², Wu Zhensen¹, Wu Mingjun², Yang Huigen², Zhang Beichen²

¹ School of Science, Xidian University, Xi’an 710071, China;
² State Oceanic Administration Key Laboratory for Polar Science, Polar Research Institute of China, Shanghai 200136, China

Received:2012-03-20 Revised:2012-06-15 Online:2012-12-30 Published:2012-12-30
Contact: Er-Xiao LIU

摘要/Abstract

摘要： 中山站高频相干散射雷达于2010年4月建成投入观测，并加盟SuperDARN雷达观测网，成为我国探测电离层对流的重要手段。首先简要介绍中山站高频雷达的工作原理及工作模式，然后利用该雷达第一年的观测数据，给出了每个波束观测的电离层回波总数随距离和回波强度、多普勒速度及谱宽的分布，以及电离层回波发生率随频率的变化特性。观测结果和射线追踪的模拟计算表明，由于波束指向不同，电波波矢方向与地磁场形成正交条件的区域有所不同，因此会造成不同频率下，不同波束观测的电离层回波发生率的差别。

关键词: 中山站, 高频相干散射雷达, 电离层, 射线追踪

Abstract: The HF coherent scatter radar is one of the most powerful tools to probe the ionosphere convection. Zhongshan HF radar has been built and operational since April, 2010 and became one of the SuperDARN radars. Firstly, the operational principle and mode of Zhongshan HF radar in Antarctica have been introduced, then the distribution of ionospheric echoes at each of 16 beams and the variation of ionospheric echoes with frequency have been analyzed with the first year’s observation. Finally, the occurrence of ionospheric echoes in different frequencies has been presented. The results from observation and simulation by ray tracing show that, statistically, the difference of ionospheric echoes occurrence between beams for different frequencies is arising from the direction of beam pointing and the area that the beam can achieve the orthogonality condition between the wave vector and the earth’s magnetic field.

Key words: Zhongshan Station, HF coherent radar, ionosphere, ray tracing

刘二小胡红桥刘瑞源吴振森吴铭君杨惠根张北辰. 中山站高频雷达观测结果初步分析[J]. 极地研究, 2012, 24(4): 397-407.

LIU Erxiao, HU Hongqiao, LIU Ruiyuan, WU Zhensen, WU Mingjun, YANG Huigen, ZHANG Beichen. INITIAL RESULTS FROM THE ZHONGSHAN HF RADAR IN ANTARCTICA[J]. ADVANCES IN POLAR SCIENCE, 2012, 24(4): 397-407.

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中山站高频雷达观测结果初步分析

INITIAL RESULTS FROM THE ZHONGSHAN HF RADAR IN ANTARCTICA

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