Results 1 to 10 of about 1,336 (202)

Circadian autophagy drives iTRF-mediated longevity [PDF]

open access: yesNature, 2021
Time-restricted feeding (TRF) has recently gained interest as a potential anti-ageing treatment for organisms from Drosophila to humans1-5. TRF restricts food intake to specific hours of the day. Because TRF controls the timing of feeding, rather than nutrient or caloric content, TRF has been hypothesized to depend on circadian-regulated functions; the
Julie Canman   +2 more
exaly   +4 more sources

Parámetros de transformación entre los marcos geodésicos CR05 y CR-SIRGAS contemplando diferentes soluciones ITRF

open access: yesIngeniería, 2021
La oficialización del marco CR-SIRGAS implica la necesidad de transformar la información vinculada al marco anterior a esta nueva referencia nacional.
Jorge Moya Zamora   +2 more
doaj   +2 more sources

Determination of Motion Parameters of Selected Major Tectonic Plates Based on GNSS Station Positions and Velocities in the ITRF2014 [PDF]

open access: yesSensors, 2021
Current knowledge about tectonic plate movement is widely applied in numerous scientific fields; however, questions still remain to be answered. In this study, the focus is on the determination and analysis of the parameters that describe tectonic plate ...
Marcin Jagoda
doaj   +2 more sources

A NONLINEAR CONVERSION MODEL FORM ITRFYY TO CGCS2000 [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
At present, ITRS series reference frameworks are widely used in the world. The results of GNSS are mostly based on the ITRF framework. Transform from ITRF to CGCS2000 is not easy, which restricts the promotion and use of CGCS2000.
F. Wang   +3 more
doaj   +1 more source

NKG2020 transformation: An updated transformation between dynamic and static reference frames in the Nordic and Baltic countries

open access: yesJournal of Geodetic Science, 2023
Coordinates in global reference frames are becoming more and more common in positioning whereas most of the geospatial data are stored in registries in national reference frames.
Häkli Pasi   +9 more
doaj   +1 more source

THE IMPLEMENTATION OF MODERN GEOCENTRIC DATUM: A REVIEW [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
A dynamic datum denotes a coordinate datum in real-time linked with the International Terrestrial Reference Frame (ITRF) in order to provide a dynamic ITRF-like datum to the users.
N. M. Yazid   +4 more
doaj   +1 more source

Maintenance of Millimeter-level Geodetic Reference Framework [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
The high-precision terrestrial reference frame, as the spatial benchmark for geodesy, is an important national infrastructure. However, due to the influence of nonlinear factors related to geophysical phenomena, the overall maintenance accuracy of the ...
Yamin DANG, Hu WANG, Fuping SUN, Guangwei JIANG, Xinhui ZHU, Yingyan CHENG, Qiang YANG, Yingying REN, Jing JIAO
doaj   +1 more source

Metoda PPP pri statični izmeri GNSS ( = PPP method for static GNSS survey) [PDF]

open access: yesGeodetski Vestnik, 2014
This paper presents Precise Point Positioning (PPP), a method of GPS observation processing from a single receiver that provides coordinates of the highest quality.
Oskar Sterle   +2 more
doaj   +1 more source

Unconstrained Estimation of VLBI Global Observing System Station Coordinates [PDF]

open access: yesAdvances in Geosciences, 2021
The International VLBI Service for Geodesy and Astrometry (IVS) is currently setting up a network of smaller and thus faster radio telescopes observing at broader bandwidths for improved determination of geodetic parameters. However, this new VLBI Global
M. Mikschi   +3 more
doaj   +1 more source

Avaliação dos Novos Parâmetros de Transformação entre ITRF (IGS) e SIRGAS2000 no IBGE-PPP com Análise de Séries Temporais

open access: yesRevista Brasileira de Cartografia, 2021
O IBGE-PPP, serviço de Posicionamento por Ponto Preciso (PPP) online, estima coordenadas originalmente referenciadas às materializações do ITRF (IGS) e então as compatibiliza para o SIRGAS2000 com a aplicação da transformação de Helmert e seus ...
Lécio Alves Nascimento   +2 more
doaj   +1 more source

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