Results 1 to 10 of about 182,753 (279)
AN IMPROVED PHOTOCLINOMETRY TECHNIQUE FOR SURFACE RELIEF RETRIEVAL FROM IMAGES: ERROR LEVELS FOR HEIGHT AND SLOPE ESTIMATES [PDF]
Radio Physics and Radio Astronomy, 2023 Subject and Purpose. Computer simulation methods are used for investigating the errors that arise in the course of retrieval, by means of an improved photoclinometry technique, of planetary surface reliefs from sets of their photo images.
I. A. Dulova, N. V. Bondarenko
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Vietnam Journal of Science, Technology and Engineering, 2022 The development of a luminance responsivity standard is central to the study of photometry and radiometry at the Vietnam Metrology Institute (VMI). Today, two methods are used to determine luminance responsivity.
Xuan Quan Cao +2 more
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Laws, 2021 Environmental issues and relevant policy plans are steadily involving the circular economy (CE) concept into business development. Such significant approaches to achieve environmentally sustainable economic development, they are supported and reinforced ...
Grigorios L. Kyriakopoulos
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Theoretical formulation and experimental validation of brightness evaluation using digital cameras
Results in Optics, 2021 In this study, we formulated the brightness relation of two digital photos captured by a single digital camera and verified it experimentally. The experimental results suggested that the used zoom lens has an intrinsic error, thereby making accurate ...
Nobuaki Shimoji, Musashi Okizaki
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Optical Glucose Sensor Using Pressure Sensitive Paint
Sensors, 2021 A glucose sensor is used as an essential tool for diagnosing and treating diabetic patients and controlling processes during cell culture. Since the development of an electrochemical-based glucose sensor, an optical glucose sensor has been devised to ...
Jongwon Park
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New Conceptional Study of a Portable Highly Sensitive Photometric Raman Sensor
Sensors, 2022 Quality control and reaction monitoring are necessary to ensure the consistency of any kind of mixing or reaction process. In this context, a novel portable high-sensitivity sensor prototype based on the Raman effect is presented in this study.
Steffen Manser +4 more
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Massive Stars as the Radiant Queens of the Universe—The Case of ζ Puppis
Universe, 2022 Since the Cosmic Dawn, massive stars have been playing a crucial role as the chemical recycling engines of galaxies that enable the birth of new stars and planetary systems, not only through the strong winds that they exhibit during their relatively ...
Tahina Ramiaramanantsoa +1 more
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The level of photometry is the basic level of the Hungarian galaxy [PDF]
مجلة التربية والعلم, 2007 The photometric and fundamental plane for a sample of early type galaxies(elliptical and lenticular galaxies) which belongs to Virgo cluster have been calculated by fitting the Sersic model ( r1/n-model) to the surface brightness profiles along the major
Mohsen Ali, Saad Younis
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The Apparent Tidal Decay of WASP-4 b Can Be Explained by the Rømer Effect
Universe, 2023 Tidal orbital decay plays a vital role in the evolution of hot Jupiter systems. As of now, this has only been observationally confirmed for the WASP-12 system.
Jan-Vincent Harre, Alexis M. S. Smith
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Photonics, 2023 In this paper, we present a project of a multi-channel wide-field optical sky monitoring system with high temporal resolution—Small Aperture Imaging Network Telescope (SAINT)— mostly built from off-the-shelf components and aimed towards searching and ...
Grigory Beskin +9 more
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