Results 71 to 80 of about 166,316 (291)

Variation of crater morphological parameters in the landing area of Tianwen-1: relationships with the geological environment and climate change

Earth, Planets and Space
The Zhurong rover of the Tianwen-1 mission successfully landed in the southern part of the Utopian Planitia and the northern region of the dichotomy boundary.
Yu Yang, Yi Wang, Bo Li, Zongcheng Ling, Yang Liu, Shaojie Qu, Shengbo Chen   +6 more
doaj   +1 more source

Sliding Mode Control in Aerospace Applications: A Survey

International Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Sliding mode control (SMC) enjoys robustness to matched and unmatched (in the case of minimum phase input‐output dynamics) bounded perturbations, and finite time convergence. Second‐order and higher‐order sliding mode control systems (2‐SMC/HOSMC) retain all the advantages of sliding mode control, but in addition can be applied to systems of ...
Yuri Shtessel, Christopher Edwards
wiley   +1 more source

A Construction of the Real Time Monitoring System of the Solar Radio Disturbance: II. 2.8GHz Radio Receiver and Radio Environment [PDF]

Journal of Astronomy and Space Sciences, 2008
As the second step of the real time monitoring system of the solar radio disturbance, we constructed a 2.8 GHz radio receiver with 500 MHz bandwith.
Yonggi Kim, Sara Park, Dae-Young Lee, Joh-Na Yoon   +3 more
doaj   +1 more source

Hanle effect in the CN violet system with LTE modeling

, 2007
Weak entangled magnetic fields with mixed polarity occupy the main part of the quiet Sun. The Zeeman effect diagnostics fails to measure such fields because of cancellation in circular polarization.
A. I. Shapiro, Asensio Ramos, Berdyugina, Berdyugina, D. M. Fluri, Faurobert, Faurobert-Scholl, Fluri, Fluri, Gandorfer, J. O. Stenflo, Neckel, S. V. Berdyugina, Schadee, Shapiro, Stenflo, Stenflo, Stenflo, Stenflo, Stenflo, Trujillo Bueno, Whiting   +21 more
core   +1 more source

Site‐Engineered Corundum‐Structured Aesthetic Composites for Alleviating Heat Accumulation to Mitigate Urban Heat Islands

Small, EarlyView.
ABSTRACT Urban heat islands have become a global issue, as they severely impact several key factors, including elevated energy consumption, increased air pollution and greenhouse gas emissions, compromised human health and comfort, and reduced water quality.
G.P. Darshan, Akshay Arjun, Subhendu Mishra, Abhishek Kumar Singh, Alberto Vomiero, Elisa Moretti   +5 more
wiley   +1 more source

Orbital and Absolute Magnitude Distribution of Jupiter Trojans

The Astronomical Journal
Jupiter Trojans (JTs) librate about the Lagrangian stationary centers L4 and L5 associated with this planet on typically small-eccentricity and moderate-inclination heliocentric orbits.
David Vokrouhlický, David Nesvorný, Miroslav Brož, William F. Bottke, Rogerio Deienno, Carson D. Fuls, Frank C. Shelly   +6 more
doaj   +1 more source

Planetary astronomy research [PDF]

The final technical report for the research in planetary astronomy is presented. Topics covered include: (1) ring systems in the outer solar system; (2) Pluto - Charon mutual occultations; (3) instrumentation; (4) planetary imaging with the Palomer ...

core   +1 more source

Study of measured pulsar masses and their possible conclusions

, 2011
We study the statistics of 61 measured masses of neutron stars (NSs) in binary pulsar systems, including 18 double NS (DNS) systems, 26 radio pulsars (10 in our Galaxy) with white dwarf (WD) companions, 3 NSs with main-sequence companions, 13 NSs in X ...
Alpar, Anderson, Archibald, Ash, Bailes, Bailes, Barziv, Bassa, Bell, Bhat, Bhattacharya, Burderi, Burgay, C. M. Zhang, Callanan, Camilo, Chakrabarty, Chakrabarty, Champion, Champion, Cheng, Clark, Cocozza, Cottam, Cowley, D. P. Menezes, D. T. Wickramasinghe, Demorest, Dewey, Dib, D’Amico, D’Amico, Elebert, Elebert, Elebert, Faulkner, Faulkner, Ferdman, Ferrario, Foster, Freire, Freire, Freire, Freire, Freire, Fryer, Glendenning, H. X. Yin, Hammerschlag-Hensberge, Hessels, Hulse, Hurley, J. Wang, Jacoby, Jacoby, Jacoby, Jain, Johnston, Jonker, Jonker, Kaaret, Kaluzny, Kasian, Kaspi, Kaspi, Keith, Keith, Kiziltan, Kiziltan, Kiziltan, Kramer, L. Ferrario, L. M. Song, Lattimer, Lattimer, Li, Liu, Lorimer, Lorimer, Lorimer, Lundgren, Lyne, Lyne, Lyne, Makishima, Manchester, Manchester, Manchester, McClintock, Menezes, Menezes, Menezes, Menezes, Miller, Nicastro, Nice, Nice, Nice, Nice, Nice, Nice, Orosz, P. Chardonnet, Possenti, Possenti, Quaintrell, Ransom, Rappaport, Reynolds, Rhoades, Robba, Segelstein, Shahbaz, Shaposhnikov, Sigurdsson, Splaver, Splaver, Stairs, Stairs, Steeghs, Stella, Stergioulas, Still, Taam, Tatsumi, Taylor, Thorsett, Thorsett, Thorsett, Titarchuk, Tomsick, Tomsick, Truemper, van Beveren, van den Heuvel, van den Heuvel, van den Heuvel, van den Heuvel, van der Klis, van der Meer, van Kerkwijk, van Kerkwijk, van Kerkwijk, van Kerkwijk, van Paradijs, van Straten, Wang, Weisberg, Wijnands, Wolszczan, Y. H. Zhao, Zhang, Zhang, Özel   +153 more
core   +3 more sources

Single‐Particle Insights Into the Electronic Structure and Enhanced Stability of CsPbBr3/FAPbBr3 Core/Crown Nanoplatelets at the Nanometer Scale

Small, EarlyView.
Single‐particle‐level investigation using scanning tunneling spectroscopy reveals electronic structure and type‐I band alignment of individual CsPbBr3@FAPbBr3 core‐crown nanoplatelet. Crown passivation suppresses deep trap states by 47% and markedly improves electrical stability under repeated bias sweeps.
Shaocheng Shen, Anuraj S. Kshirsagar, John Michael Lane, Chenguang Zhang, Haixin Zhang, Kedar Hippalgaonkar, Neeraj Rai, Mahesh K. Gangishetty, Kun Wang   +8 more
wiley   +1 more source

Sky surveys and deep fields of ground-based and space telescopes

, 2006
Selected results obtained in major observational sky surveys (DSS, 2MASS, 2dF, SDSS) and deep field observations (HDF, GOODS, HUDF, etc.) are reviewed.
Reshetnikov, V. P.
core   +2 more sources