Results 21 to 30 of about 15,749 (218)

Dynamics and Control of Tethered Satellite System in Elliptical Orbits under Resonances

International Journal of Aerospace Engineering, 2020
This paper studies resonance motions of a tethered satellite system (TSS) in elliptical orbits. A perturbation analysis is carried out to obtain all possible resonance types and corresponding parameter relations, including internal resonances and ...
Zhaojun Pang, Zhonghua Du, Chun Cheng, Qingtao Wang   +3 more
doaj   +1 more source

Upgrade and automation of the JPL Table Mountain Facility tropospheric ozone lidar (TMTOL) for near-ground ozone profiling and satellite validation [PDF]

Atmospheric Measurement Techniques, 2019
As part of international efforts to monitor air quality, several satellite missions such as the Tropospheric Monitoring Instrument (TROPOMI) were deployed and others, like Tropospheric Emissions: Monitoring Pollution (TEMPO), are planned for the near ...
F. Chouza, T. Leblanc, M. Brewer, P. Wang   +3 more
doaj   +1 more source

Meteorological and air quality measurements in a city region with complex terrain: influence of meteorological phenomena on urban climate

Meteorologische Zeitschrift, 2023
On 8 and 9 July 2018 extensive observations were conducted under fair-weather conditions in the German city of Stuttgart and its surroundings. This intensive observation period, part of the four weeks Urban Climate Under Change (UC)2 campaign, intended ...
Abdul Samad, Olga Kiseleva, Christopher Claus Holst, Robert Wegener, Meinolf Kossmann, Gregor Meusel, Alina Fiehn, Thilo Erbertseder, Ralf Becker, Anke Roiger, Peter Stanislawsky, Dieter Klemp, Stefan Emeis, Norbert Kalthoff, Ulrich Vogt   +14 more
doaj   +1 more source

The future of Earth observation in hydrology [PDF]

Hydrology and Earth System Sciences, 2017
In just the past 5 years, the field of Earth observation has progressed beyond the offerings of conventional space-agency-based platforms to include a plethora of sensing opportunities afforded by CubeSats, unmanned aerial vehicles (UAVs), and smartphone
M. F. McCabe, M. Rodell, D. E. Alsdorf, D. G. Miralles, R. Uijlenhoet, W. Wagner, W. Wagner, A. Lucieer, R. Houborg, N. E. C. Verhoest, T. E. Franz, J. Shi, H. Gao, E. F. Wood   +13 more
doaj   +1 more source

Data-driven optimal controller design for sub-satellite deployment of tethered satellite system

Electronic Research Archive
In the paper, we presented a data-driven optimal control method for the sub-satellite deployment of tethered satellite systems during the release phase, with the objective of reducing the libration angle fluctuation during system work. First, the dynamic
Peng Yu , Shuping Tan, Jin Guo, Yong Song   +3 more
doaj   +1 more source

History of the tether concept and tether missions: a review [PDF]

, 2013
This paper introduces history of space tethers, including tether concepts and tether missions, and attempts to provide a source of references for historical understanding of space tethers.
Chen, Yi, He, Liping, He, Ye, Huang, Rui, Ren, Xianlin   +4 more
core   +3 more sources

An Improved Electron Pre-Sheath Model for TSS-1R Current Enhancement Computations

Aerospace, 2017
This report presents improvements of investigations on the Tethered Satellite System (TSS)-1R electron current enhancement due to magnetic limited collections.
Chunpei Cai
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

Advanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana, Indra Apsite, Leonid Ionov   +2 more
wiley   +1 more source

Dynamics and Control of a Tethered Satellite System Based on the SDRE Method

International Journal of Aerospace Engineering, 2016
This paper presents the nonlinear dynamic modeling and control of a tethered satellite system (TSS), and the control strategy is based on the state-dependent Riccati equation (SDRE).
Yong-Lin Kuo
doaj   +1 more source

Electrosynthesis of Bioactive Chemicals, From Ions to Pharmaceuticals

Advanced Functional Materials, EarlyView.
This review discusses recent advances in electrosynthesis for biomedical and pharmaceutical applications. It covers key electrochemical materials enabling precise delivery of ions and small molecules for cellular modulation and disease treatment, alongside catalytic systems for pharmaceutical synthesis.
Gwangbin Lee, Sojin Kim, Myeongeun Lee, Kyoungsuk Jin, Jimin Park   +4 more
wiley   +1 more source