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Spectra of L-band ionospheric scintillation over Nanjing
Fang HanXian; Yang ShengGao; Wang SiCheng; Yang, SG (reprint author), PLA Univ Sci & Technol, Inst Meteorol, Nanjing 211101, Jiangsu, Peoples R China.
Department空间科学部
Source PublicationCHINESE SCIENCE BULLETIN
2012
Volume57Issue:25Pages:3375-3380
ISSN1001-6538
Language英语
KeywordIonospheric Scintillation Scintillation Power Spectra Electronic Density Irregularity Spectra Index
AbstractWe report the spatiotemporal statistical characteristics of amplitude scintillation over Nanjing. A FFT method for computing scintillation intensity power spectra is briefly described. Using this method, the data with ISATM in Nanjing is analyzed. Spectra characteristic is presented and the irregularities property is discussed preliminarily. The results reveal that the power spectra obtained for Nanjing is consistent with theoretical modeling. At frequencies below the Fresnel frequency, the power density plotted on log-log scale is almost constant whereas above it asymptotes to a straight line. The spectral index ranges from 1.71 to 1.92, which has positive correlation with the S (4) index. Finally, the average drift velocity of irregularities is computed assumably and compared with that obtained for Xinxiang and Haikou.; We report the spatiotemporal statistical characteristics of amplitude scintillation over Nanjing. A FFT method for computing scintillation intensity power spectra is briefly described. Using this method, the data with ISATM in Nanjing is analyzed. Spectra characteristic is presented and the irregularities property is discussed preliminarily. The results reveal that the power spectra obtained for Nanjing is consistent with theoretical modeling. At frequencies below the Fresnel frequency, the power density plotted on log-log scale is almost constant whereas above it asymptotes to a straight line. The spectral index ranges from 1.71 to 1.92, which has positive correlation with the S (4) index. Finally, the average drift velocity of irregularities is computed assumably and compared with that obtained for Xinxiang and Haikou.
Indexed BySCI
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/122/3300
Collection空间科学部
Corresponding AuthorYang, SG (reprint author), PLA Univ Sci & Technol, Inst Meteorol, Nanjing 211101, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Fang HanXian,Yang ShengGao,Wang SiCheng,et al. Spectra of L-band ionospheric scintillation over Nanjing[J]. CHINESE SCIENCE BULLETIN,2012,57(25):3375-3380.
APA Fang HanXian,Yang ShengGao,Wang SiCheng,&Yang, SG .(2012).Spectra of L-band ionospheric scintillation over Nanjing.CHINESE SCIENCE BULLETIN,57(25),3375-3380.
MLA Fang HanXian,et al."Spectra of L-band ionospheric scintillation over Nanjing".CHINESE SCIENCE BULLETIN 57.25(2012):3375-3380.
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