Zobrazeno 1 - 10
of 23 097
pro vyhledávání: '"S. Yao"'
Publikováno v:
Universe, Vol 10, Iss 7, p 289 (2024)
The quasar 3C 286, a well-known calibrator source in radio astronomy, was found to exhibit exceptional multiwavelength properties. Its rich and complex optical emission-line spectrum revealed its narrow-line Seyfert 1 (NLS1) nature. Given its strong
Externí odkaz:
https://doaj.org/article/ba68645c964e42d6b9878892cc26c37c
Autor:
G. O. Abessolo, R. Almar, D. B. Angnuureng, F. Bonou, Z. Sohou, I. Camara, A. Diouf, G. Alory, R. Onguéné, A. C. Mama, C. O. T. Cissé, B. A. Sy, I. Sakho, S. Djakouré, S. Yao, A. R. Tano, E. W. J. Bergsma, O. A. Dada
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Regular and long-term monitoring of coastal areas is a prerequisite to avoiding or mitigating the impacts of climate and human-driven hazards. In Africa, where populations and infrastructures are particularly exposed to risk, there is an urg
Externí odkaz:
https://doaj.org/article/e889dcd8bea4461eb0f54631d6152d88
Publikováno v:
Wind Energy Science, Vol 7, Pp 1731-1751 (2022)
With the progression of novel design, material, and manufacturing technologies, the wind energy industry has successfully produced larger and larger wind turbine rotor blades while driving down the levelized cost of energy (LCOE). Though the benefits
Externí odkaz:
https://doaj.org/article/ef8da3288fd44c938c763bcbc913f723
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLIII-B3-2022, Pp 55-60 (2022)
The accurate detection and mapping of buildings from high-resolution remote sensing (HRRS) images have attracted extensive attention. However, as an artificial target, buildings not only have various types, but also have multi-scale characteristics a
Externí odkaz:
https://doaj.org/article/6b741222374740c6b5a07f4b9da0e461
Publikováno v:
Polymer Testing, Vol 113, Iss , Pp 107675- (2022)
In this study, time-resolved ex situ Raman and Fourier transform infrared (FT-IR) spectroscopy were performed to monitor structural changes in a polyamide (PA) 66 gear during operation and reveal the failure mechanisms of the material. A gear test wa
Externí odkaz:
https://doaj.org/article/4b4cd144ce2a4e249ba4cd14a5ab6f80
Publikováno v:
Applications in Energy and Combustion Science, Vol 11, Iss , Pp 100077- (2022)
This study introduces the gradient boosted decision tree (GBDT) as a machine learning approach to circumvent the need for a direct integration of the typically stiff system of ordinary differential equations that govern the temporal evolution of chem
Externí odkaz:
https://doaj.org/article/3a76d1f75f3a445080d2e4aa9ac931b0
Publikováno v:
Earth System Science Data, Vol 13, Pp 889-906 (2021)
The nighttime light (NTL) satellite data have been widely used to investigate the urbanization process. The Defense Meteorological Satellite Program Operational Linescan System (DMSP-OLS) stable nighttime light data and Suomi National Polar-orbiting
Externí odkaz:
https://doaj.org/article/888ff2bb60e949ab8f99e3ca77c1c9df
Autor:
S. Komossa, A. Kraus, D. Grupe, A. G. Gonzalez, M. A. Gurwell, L. C. Gallo, F. K. Liu, I. Myserlis, T. P. Krichbaum, S. Laine, U. Bach, J. L. Gómez, M. L. Parker, S. Yao, M. Berton
Publikováno v:
The Astrophysical Journal, Vol 944, Iss 2, p 177 (2023)
Based on our dedicated Swift monitoring program, MOMO, OJ 287 is one of the best-monitored blazars in the X-ray–UV–optical regime. Here, we report results from our accompanying, dense, multifrequency (1.4–44 GHz) radio monitoring of OJ 287 betw
Externí odkaz:
https://doaj.org/article/b1fb861dcbe04907baca8c4b2dc0c539
Publikováno v:
Mechanical Sciences, Vol 11, Pp 193-204 (2020)
The haptic interface force feedback is one of the key factors for a reliable flight simulation. This paper addresses the design and control implementation of a simple joystick-like haptic interface to be used for a helicopter flight simulator. The ex
Externí odkaz:
https://doaj.org/article/ef3755e9bea64a4b967b9120f0622b58