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Signal Identification and Trace Extraction for the Vertical Ionogram
Su, Fanfan; Zhao, Zhengyu; Li, Shipeng; Yao, Ming; Chen, Gang; Zhou, Yiyan; Su, FF (reprint author), China Earthquake Adm, Key Lab Earthquake Geodesy, Inst Seismol, Wuhan 430071, Peoples R China.
Department空间科学部
Source PublicationIEEE GEOSCIENCE AND REMOTE SENSING LETTERS
2012
Volume9Issue:6Pages:1031-1035
ISSN1545-598X
Language英语
KeywordAutomatic Scaling Ionogram Scaling Ionosphere Kalman Filtering
AbstractVertical 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.; 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.
Indexed BySCI ; EI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/3160
Collection空间科学部
Corresponding AuthorSu, FF (reprint author), China Earthquake Adm, Key Lab Earthquake Geodesy, Inst Seismol, Wuhan 430071, Peoples R China.
Recommended Citation
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.,...&Su, FF .(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.
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