20,404 research outputs found
Hui tu zhen ben jing shi mu yu jin gang zuan
No full text著作者余好辯, 伍憤時.Cover title.上下卷.On double leaves, East Asian binding.木魚歌文.zhu zuo zhe Yu Haobian, Wu Fenshi.Shang xia juan.Mu yu ge wen
Yu Takeuchi
No full textYu Takeuchi is serving for JAXA since 2007 and currently working as Associate Senior Administrator at Management and Integration Department of Human Spaceflight Technology Directorate. He is also working as Researcher at the Institute of Space Law of Keio University. He received LL.M. degree from the Institute of Air and Space Law of McGill University in 2015. His main interest is in international space law inter alia the legal aspects of space traffic management and sustainable space development. He is a member of the Air Law Institute of Japan, Japanese Society of International Law, and the International Institute of Space Law (IISL).
Main Works Published in English
- “Toward the International Regime for Space Traffic Management -What to Fix the Current International Regulations-”, (November 5, 2014). Space Traffic Management Conference, Paper 23 (http://commons.erau.edu/stm/2014/wednesday/23).
- “Regulatory Regime for Tomorrow’s Suborbital Space Flights: Point-to-point International Flights”, 56th Colloquium on the Law of Outer Space, 2013.
- “Space Traffic Management as a Guiding Principle of the International Regime of Sustainable Space Activities,” 4 Journal of East Asia and International Law, 2011
- “Japanese Perspective on Legal Issues of Commercial Human Spaceflight” (co-author), 53rd Colloquium on the Law of Outer Space, 2011
- “Legal Points at Issue about NEO Threat Response and International Cooperation” (co-author), 28th International Symposium on Space Technology and Science, 2011
- “From Guideline to International Treaty for Rule of Law concerning Mitigation of Space Debris?” (co-author), 52nd Colloquium on the Law of Outer Space, 2010
Main Works Published in Japanese (title translated into English)
- “What is Space Traffic Management”, Vol. 46, No.9, Journal of the Japanese Institute of International Business Law, 2018.
- Soichiro Kozuka & Masahiko Sato eds., Introduction of Space Law for Entrepreneur (2nd. Ed.), Yuhikaku, 2018. (co-authored)
-“Challenges to International Space Law for Managing Space Traffic”, 55 Kuho (Air Law), 2014.
-“Legal Points as Issues of NEO Threat Response and International Cooperation” (co-author), 3 Spaceguard Research, Japan Spaceguard Association, 2011https://commons.erau.edu/stm-images/1121/thumbnail.jp
Classification Evaluation Method for Complex Reservoirsin Xinglong Structural Belt
No full textThe reservoir of Linhe formation in the Xinglong tectonic belt of the Hetao basin is controlled by low geothermal temperature and late deep burial, with obvious weak diagenetic characteristics, strong heterogeneity of the reservoir, and complex pore structure. With the continuous deepening of exploration, oil testing data shows that some oil testing layers have similar or identical physical properties, but there are significant differences in production. The applicability of reservoir classification evaluation methods based on traditional pore and permeability parameters is limited and the method cannot meet the precise evaluation needs of reservoir classification. This article combines nuclear magnetic resonance (NMR) and conventional logging data to comprehensively utilize the geometric mean of NMR T2 spectra, different pore ratios, conventional porosity, permeability, mud content and other parameters that characterize reservoir pore structure. Parameters such as reservoir pore structure evaluation index, reservoir quality factor index, and macroscopic effective pore permeability index are constructed. The application of pore structure evaluation index and macroscopic effective pore permeability index has formed a reservoir classification evaluation method with nuclear magnetic pore structure evaluation as the core. Using reservoir quality factor index and macroscopic effective pore permeability index, a reservoir classification method based on machine learning algorithm and multi parameter fusion as the core has been established, effectively solving the problem of low accuracy in reservoir classification evaluation due to the lack of nuclear magnetic logging. The established complex reservoir grading evaluation method has been applied on a large scale in the Linhe formation of the Xinglong tectonic belt, effectively guiding the oil layer testing and selection in the area, and achieving good application results
Adaptive aperture pupil-inspired foveated single-pixel imaging for multi-posture moving targets
No full textIn nature, animals have evolved various shapes of pupils to detect moving targets with diverse postures effectively. Motivated by the concept of the adaptable aperture pupil, we present a pupil-inspired foveated single-pixel imaging approach featuring a variable foveal, enhancing the correlation between the fovea regions and targets in the scene. Furthermore, this pupil-inspired foveated strategy not only regulates the field of view by mimicking the expansion and contraction of the iris but also aids in target tracking by foveal saccade mimicry. In this way, our method improves the maximum utilization of high-resolution areas by 63%. The methodologies outlined in this study optimize the arrangement of pixel cells during the sampling process and promise to be a practical method enabling single-pixel imaging in dynamic scenes
Chao cai liao yong yu ya bo chang ju jiao: ge xiang yi xing hao sun cai liao yu ti du guang xue na mi bo dao guan
No full textKwok, Hui Kin = 超材料用於亞波長聚焦 : 各向異性耗損材料與梯度光學納米波導管 / 郭栩健.Thesis M.Phil. Chinese University of Hong Kong 2015.Includes bibliographical references (leaves 67-69).Abstracts also in Chinese.Title from PDF title page (viewed on 26, September, 2016).Kwok, Hui Kin = Chao cai liao yong yu ya bo chang ju jiao : ge xiang yi xing hao sun cai liao yu ti du guang xue na mi bo dao guan / Guo Xujian
Tree-ring-based precipitation reconstruction for Mt. Xinglong, China, since AD 1679
No full textOn the basis of a significant correlation between the ring width of Qinghai spruce (Picea crassifolia Kom.) trees at Mt. Xinglong in north-central China and observed instrumental data, a transfer function was designed and the annual precipitation (from the previous July to the current June) was reconstructed for a period spanning 1679-2008 AD with an explained variance of 53.1% (1955-2008 AD). Intervals with precipitation more than the 330-year average occurred in 1686-1715, 1727-1741, 1774-1810 and 1871-1923. The intervals 1716-1726, 1740-1773, 1811-1870, 1924-1937 and 1980-2003 had precipitation lower than the 330-year average. Most drought events recorded in historical documents were captured by the reconstruction. Moreover, the reconstruction agreed well with tree-ring-based precipitation at Mt. Helan 400 km northeast of Mt. Xinglong. The results showed that the variability of the East Asian summer monsoon-related precipitation was synchronously at a large spatial and temporal scale within the environmentally sensitive region in northern China. The reconstruction was tested for periodicities by power spectrum analysis. The results showed remarkable 160-, 106.67-, 80-, 22.86-, 6.27- and 2- to 3-year cycles at a 99% confidence level for the past 330 years.</p
Yi ge zai Jianada wei qi si xing qi de Ying yu ke cheng de yu wen ji wen hua xue xi
No full textChan, Sin Yu.Thesis M.Phil. Chinese University of Hong Kong 2015.Includes bibliographical references (leaves 260-268).Abstracts also in Chinese; some appendixes in Chinese.Title from PDF title page (viewed on 11, November, 2016).Chan, Sin Yu
Astronomical Test with CMOS on the 60-cm Telescope at the Xinglong Observatory, NAOC
No full textThis work shows details of an evaluation of an observational system
comprising a CMOS detector, 60-cm telescope, and filter complement. The
system's photometric precision and differential photometric precision, and
extinction coefficients were assessed through observations of Supersky flat
fields, open clusters, standard stars, and exoplanets. Photometry was precision
achieved at the 0.02 mag level, while differential photometry of 0.004 mag
precision. Extinction was found to be agreed with previous studies conducted at
Xinglong Observatory. Ultimately, the results demonstrate this observing system
is capable of precision scientific observations with CCD across the optical
wavelengths
Intractability of Optimal Multi-Robot Path Planning on Planar Graphs
No full textWe study the computational complexity of optimally solving multi-robot path planning problems on planar graphs. For four common time- and distance-based objectives, we show that the associated path optimization problems for multiple robots are all NP-complete, even when the underlying graph is planar. Establishing the computational intractability of optimal multi-robot path planning problems on planar graphs has important practical implications. In particular, our result suggests the preferred approach toward solving such problems, when the number of robots is large, is to augment the planar environment to reduce the sharing of paths among robots traveling in opposite directions on those paths. Indeed, such efficiency boosting structures, such as highways and elevated intersections, are ubiquitous in robotics and transportation applications.Peer reviewe
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