NSSC OpenIR
High resolution 3-d imaging of mesospheric sodium (Na) layer utilizing a novel multilayer iccd imager and a na lidar
Alternative Title20204709506992
Cheng, Xuewu1; Yang, Guotao2; Yuan, Tao3; Xia, Yuan4; Yang, Yong1; Wang, Jiqin1; Ji, Kaijun1; Lin, Xin1; Du, Lifang2; Liu, Linmei1; Ji, Kaijie1; Li, Faquan1
Source PublicationRemote Sensing
2020
Volume12Issue:22Pages:1-12
DOI10.3390/rs12223678
Language英语
KeywordCharge coupled devices - Imaging techniques - Multilayers - Sodium Cassegrain telescopes - High resolution - Horizontal resolution - Intensified charge coupled devices - Mesospheric sodium - Number density - Temporal resolution - Variable structures
AbstractEquipped with a 1-meter Cassegrain telescope with 6.2 meter focal length and an electronically gated Intensified Charge-Coupled Device (ICCD), a multilayer Na imager is designed and developed at Wuhan in China. This novel instrument has successfully achieved the first preliminary 3-D image of the mesospheric Sodium (Na) layer when running alongside a Na lidar. The vertical Na layer profile is measured by the lidar, while the horizontal structure of the layer at different altitudes is measured by the ICCD imaging with a horizontal resolution of ~3.7 urad. In this experiment, controlled by the delay and width of the ICCD gating signal, the images of the layer are taken with three-second temporal resolution for every 5 km. The results show highly variable structures in both the vertical and horizontal directions within the Na layer. Horizontal images of the Na layer at different altitudes near both the permanent layer (80–100 km) and a sporadic Na layer at 117.5 km are obtained simultaneously for the first time. The Na number density profiles measured by the lidar and those derived from this imaging technique show excellent agreement, demonstrating the success of this observational technique and the first 3-D imaging of the mesospheric Na layer. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Indexed ByEI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7479
Collection中国科学院国家空间科学中心
Affiliation1.Innovation Academy for Precision Measurement Science and Technology, West No 30, Xiaohongshan; Wuhan; 430071, China;
2.National Space Science Center, Chinese Academy of Sciences, NO.1 Nanertiao, Zhongguancun, Haidian District, Beijing; 100190, China;
3.Center for Atmospheric and Space Sciences, Utah State University, Logan; UT; 84322-4405, United States;
4.School of Electronic Engineering, Nanjing Xiaozhuang University, Nanjing; 211171, China
Recommended Citation
GB/T 7714
Cheng, Xuewu,Yang, Guotao,Yuan, Tao,et al. High resolution 3-d imaging of mesospheric sodium (Na) layer utilizing a novel multilayer iccd imager and a na lidar[J]. Remote Sensing,2020,12(22):1-12.
APA Cheng, Xuewu.,Yang, Guotao.,Yuan, Tao.,Xia, Yuan.,Yang, Yong.,...&Li, Faquan.(2020).High resolution 3-d imaging of mesospheric sodium (Na) layer utilizing a novel multilayer iccd imager and a na lidar.Remote Sensing,12(22),1-12.
MLA Cheng, Xuewu,et al."High resolution 3-d imaging of mesospheric sodium (Na) layer utilizing a novel multilayer iccd imager and a na lidar".Remote Sensing 12.22(2020):1-12.
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