Signal Identification and Trace Extraction for the Vertical Ionogram

	Signal Identification and Trace Extraction for the Vertical Ionogram
	Su, Fanfan; Zhao, Zhengyu; Li, Shipeng; Yao, Ming; Chen, Gang; Zhou, Yiyan
刊名	IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
	2012
卷号	9 期号:6 页码:1031-1035
关键词	Automatic scaling ionogram scaling ionosphere Kalman filtering
ISSN号	1545-598X
通讯作者	Su, FF (reprint author), China Earthquake Adm, Key Lab Earthquake Geodesy, Inst Seismol, Wuhan 430071, Peoples R China.
中文摘要	Vertical ionograms suffer from artifacts and distortion due to other users of the high-frequency channel and the ionosphere. The traces of each layer have variable shapes, so the automatic scaling of the vertical ionograms is rather complicated. New algorithms for signal identification and trace extraction are developed to support automatic scaling. Different features of the signals, such as signal-to-noise ratio, Doppler shift, and virtual height, are converted to certainty factors and combined to identify signals. Kalman filtering, which is widely used in trace extracting, is introduced to form traces and separate the ordinary trace and the extraordinary trace. These algorithms are effective without using information on the wave polarization and can be applied to the ionograms recorded by single-antenna systems.
英文摘要	Vertical ionograms suffer from artifacts and distortion due to other users of the high-frequency channel and the ionosphere. The traces of each layer have variable shapes, so the automatic scaling of the vertical ionograms is rather complicated. New algorithms for signal identification and trace extraction are developed to support automatic scaling. Different features of the signals, such as signal-to-noise ratio, Doppler shift, and virtual height, are converted to certainty factors and combined to identify signals. Kalman filtering, which is widely used in trace extracting, is introduced to form traces and separate the ordinary trace and the extraordinary trace. These algorithms are effective without using information on the wave polarization and can be applied to the ionograms recorded by single-antenna systems.
学科主题	空间物理
收录类别	SCI ; EI
资助信息	Special Fund for the Scientific Research on Earthquake [201108004]; Director Foundation of the Institute of Seismology, China Earthquake Administration [IS201116015]; National Natural Science Foundation of China [41174030, 41074115]; Specialized Research Fund for the State Key Laboratory of Space Weather [201118PSK04]
语种	英语
公开日期	2014-12-15
内容类型	期刊论文
源URL	[http://ir.nssc.ac.cn/handle/122/3160]
专题	国家空间科学中心_空间科学部
推荐引用方式 GB/T 7714	Su, Fanfan,Zhao, Zhengyu,Li, Shipeng,et al. Signal Identification and Trace Extraction for the Vertical Ionogram[J]. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,2012,9(6):1031-1035.
APA	Su, Fanfan,Zhao, Zhengyu,Li, Shipeng,Yao, Ming,Chen, Gang,&Zhou, Yiyan.(2012).Signal Identification and Trace Extraction for the Vertical Ionogram.IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,9(6),1031-1035.
MLA	Su, Fanfan,et al."Signal Identification and Trace Extraction for the Vertical Ionogram".IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 9.6(2012):1031-1035.