Institutional Repository of Radio Astronomy Research Laboratory
| 关于射电望远镜台址航空信号处理方法的研究 | |
| Alternative Title | A Study of Aeronautical Signal Processing Method for Radio Telescope Station |
许红瑞1,2,3 ; 陈卯蒸1,2; 刘奇1,2,3; 尹航1,2,3; 王军1,2,3; 刘璇1,2,3; 袁力1,2,3
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| 2018-03 | |
| Source Publication | 天文学报
 |
| ISSN | 0001-5245 |
| Volume | 59Issue:2Pages:33-43 |
| Contribution Rank | 1 |
| Abstract | 来自飞行器的航空信号会严重干扰邻近频段的射电天文观测,有效地分析确定射电天文台址附近航空信号分布范围,能够为射电天文观测干扰源的查找及抗航空信号干扰策略提供重要支撑.介绍了航空信号的获取方法.根据航空信号位置信息估算了飞机到测站距离随时间的分布情况,评估了航空信号到测站的功率损耗.提出了一种基于最小二乘多项式拟合和聚类算法划定高峰时段航迹分布范围的方法.首先通过最小二乘多项式拟合,获得航迹样本点在时间上的分布趋势和高峰时段;其次,对高峰时段的航迹样本点进行聚类分析,得到各高峰时段样本点空间分布范围;最后,采用相同方法对验证数据样本点进行聚类分析,计算航迹分布在已划定区域范围内的概率,验证了方法的有效性. |
| Other Abstract | The signals from aircrafts may seriously interfere with the astronomical observations in a vicinity frequency band. Measurement and distribution analysisof such signals near the astronomical observatory will provide an important support for searching such a interference source and anti-jamming strategy. The acquisition method for the civil aviation signal is introduced. The distance distribution between the aircraft and the station is estimated according to the position information from the aeronautical signals, and the power loss to the station is evaluated.A method based on the least square polynomial fitting and clustering algorithm is proposed to delimit the track distribution during peak periods. Firstly, the time-domain distribution trend of track samples and the peak hours are obtained by the least square polynomial fitting. Secondly, the cluster analysis is made for the peak-period sample points to obtain their spatial distribution regions during each peak period. Finally, the same method is applied to other samples to verify the validation of the method. |
| Correspondent Email | xuhongrui@xao.ac.cn |
| Keyword | 望远镜 射电干扰 方法:数据分析 |
| DOI | 10.15940/j.cnki.0001-5245.2018.02.004 |
| Indexed By | CSCD ; 中文核心期刊要目总览 |
| Language | 中文 |
| CSCD ID | CSCD:6209185 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.xao.ac.cn/handle/45760611-7/2470 |
| Collection | 射电天文研究室_微波技术实验室 110米口径全可动射电望远镜（QTT）_110米大口径全可动射电望远镜关键技术研究（973项目）_课题3：超宽带接收机与高速数字终端 |
| Affiliation | 1.中国科学院新疆天文台乌鲁木齐830011; 2.中国科学院射电天文重点实验室南京210008); 3.中国科学院大学北京100049 |
| First Author Affilication | Xinjiang Astronomical Observatory, Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | 许红瑞,陈卯蒸,刘奇,等. 关于射电望远镜台址航空信号处理方法的研究[J]. 天文学报,2018,59(2):33-43. |
| APA | 许红瑞.,陈卯蒸.,刘奇.,尹航.,王军.,...&袁力.(2018).关于射电望远镜台址航空信号处理方法的研究.天文学报,59(2),33-43. |
| MLA | 许红瑞,et al."关于射电望远镜台址航空信号处理方法的研究".天文学报 59.2(2018):33-43. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 许红瑞-2018-关于射电望远镜台址航空（1722KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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