Results 1 to 10 of about 35,426 (340)

Optomechanical Accelerometers for Geodesy [PDF]

open access: yesRemote Sensing, 2022
We present a novel optomechanical inertial sensor for low-frequency applications and corresponding acceleration measurements. This sensor has a resonant frequency of 4.715 (1) Hz, a mechanical quality factor of 4.76(3) × 105, a test mass of 2.6 g, and a projected noise floor of approximately 5 × 10−11 ms−2/Hz at 1 Hz.
Adam Hines   +6 more
openaire   +4 more sources

Atomic clocks for geodesy [PDF]

open access: yesReports on Progress in Physics, 2018
73 pages, 22 ...
Heiner Denker   +5 more
openaire   +6 more sources

Geodesy in India [PDF]

open access: bronzeNature, 1931
On page 170 of Nature of Jan. 31, 1931, appears an article entitled “Geodesy in India”, by G. T. McC., being in the nature of a review of Geodetic Report, vol. 5, of the Survey of India. May I correct a small misapprehension into which the reviewer has fallen?
G. T. McC
openalex   +3 more sources

Theoretical geodesy [PDF]

open access: yesGeodesy and Cartography, 2015
The paper presents a summary of research activities concerning theoretical geodesy performed in Poland in the period of 2011-2014. It contains the results of research on new methods of the parameter estimation, a study on robustness properties of the M ...
Borkowski Andrzej, Kosek Wiesław
doaj   +2 more sources

Relativistic geodesy

open access: yesJournal of Physics: Conference Series, 2016
Quantum metrology enables new applications in geodesy, including relativistic geodesy. The recent progress in optical atomic clocks and in long-distance frequency transfer by optical fiber together pave the way for using measurements of the gravitational frequency redshift for geodesy. The remote comparison of frequencies generated by calibrated clocks
J. Flury
openaire   +2 more sources

Geodesy Discipline: Progress and Perspective [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2021
The geodesy discipline has been evolving and constantly intersecting and merging with other disciplines in the last 50 years, due to the continuous progress of geodetic observation techniques and expansion of application fields.
Yibin YAO,Yuanxi YANG,Heping SUN,Jiancheng LI
doaj   +1 more source

Recent Advances in Marine Geodesy of China [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
The ocean accounts for approximately 71% of the total area of the Earth. Whether it is studying the shape of the Earth itself through geodesy or the future development of earth system science, strengthening the construction of ocean geodesy disciplines ...
Shuqiang XUE, Tianhe XU, Yanxiong LIU, Anmin ZENG, Baogui KE, Shuang ZHAO
doaj   +1 more source

A simplified gravitational reference sensor for satellite geodesy [PDF]

open access: yesJournal of Geodesy, 2021
A simplified gravitational reference sensor (S-GRS) is an ultra-precise inertial sensor for future Earth geodesy missions. These sensors measure or compensate for all non-gravitational accelerations of the host spacecraft to remove them in the data ...
A. Álvarez   +18 more
semanticscholar   +1 more source

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