| 组网高频地波雷达中电离层杂波分析及其抑制方法 |
| |
| 引用本文： | 皮小珊.组网高频地波雷达中电离层杂波分析及其抑制方法[J].科学技术与工程,2016,16(1). |
| |
| 作者姓名： | 皮小珊 |
| |
| 作者单位： | 武汉大学电子信息学院 |
| |
| 基金项目： | 国家高技术研究发展计划（863计划） |
| |
| 摘 要： | 组网高频地波雷达引入了多种收发模式,在增加探测信息量获取的同时使电离层杂波更加复杂。介绍了OSMAR071组网高频地波雷达系统,结合实测数据分析了组网条件下电离层杂波距离、多普勒分布特征,以及不同路径的电离层杂波及海洋回波的相关性。利用多路径杂波相关性远大于海洋回波的特性,提出了一种基于自适应滤波的杂波抑制方法,利用其他路径的电离层杂波估计杂波分量,从而实现杂波对消。雷达实测数据分析表明了上述分析的正确性以及杂波抑制方法的可行性和有效性。
|
| 关 键 词： | 高频地波雷达组网 电离层 多路径信号相关 自适应滤波 |
| 收稿时间： | 2015/9/12 0:00:00 |
| 修稿时间： | 2015/9/12 0:00:00 |
Ionosphere clutter analysis and suppression in HFSWR network |
| |
| PI Xiao-shan.Ionosphere clutter analysis and suppression in HFSWR network[J].Science Technology and Engineering,2016,16(1). |
| |
| Authors: | PI Xiao-shan |
| |
| Abstract: | Ionosphere clutter is more complicated in HFSWR network since the detection information is enriched by multiple-input multiple-output pattern. A HFSWR network system which involves three monostatic radars is introduced. Then, the characteristic of ionosphere clutter in range domain and Doppler domain are analyzed with measured data. The correlation between ionosphere clutters is higher than it between sea echoes from different paths, based on which, a novel method for clutter suppression is proposed via adaptive filter using the clutter from different paths. Experimental results show that the analysis and processing method are feasible and effective. |
| |
| Keywords: | HFSWR network ionosphere clutter correlation adaptive filter |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《科学技术与工程》浏览原始摘要信息 |
| 点击此处可从《科学技术与工程》下载免费的PDF全文 |
