Results 1 to 10 of about 6,531,643 (307)

A High Relative-Precision Color-Magnitude Diagram of M67 [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2003
We have calibrated an extensive set of BVI observations of M67. We have selected stars that are most likely to be single-star members of the cluster using proper motion, radial velocity, and variability information from the literature, and an examination
Alexander   +68 more
core   +5 more sources

Cautious use of absolute and relative precision while calculating sample size

open access: yesJournal of Family Medicine and Primary Care, 2018
Preeti Usha   +2 more
doaj   +2 more sources

Design of Relative Attitude Determination Method Based on Gyroscope/BDS for Multi-Aircraft Formation [PDF]

open access: yesHangkong bingqi, 2022
It is an important trend in the future aviation field that multi-aircraft formation has strong multi operation ability, high reliability and high efficiency.
Lu Kewen, Wang Xinlong, Li Qunsheng, Chen Ding
doaj   +1 more source

GENERAL RELATIVITY AND PRECISION TESTS OF FUNDAMENTAL SYMMETRIES [PDF]

open access: yes, 2021
29 pages, To be published in Gribov-90 Memorial Volume: Field Theory, Symmetry, and Related Topics. Editors Yuri L. Dokshitzer, Peter Levai.
Nikolaev, N. N., Vergeles, S. N.
openaire   +2 more sources

UWB Based Relative Planar Localization with Enhanced Precision for Intelligent Vehicles

open access: yesActuators, 2021
Along with the rapid development of advanced driving assistance systems for intelligent vehicles, essential functions such as forward collision warning and collaborative cruise control need to detect the relative positions of surrounding vehicles.
Mingyang Wang   +5 more
doaj   +1 more source

A new method of observation data processing to improve the precision of naval gun [PDF]

open access: yesZhihui kongzhi yu fangzhen, 2023
The observation data procession of target about traditional naval gun is based on installation site,dues to factors such as swing and deformation datum change will cause observation data error and affect firing accuracy,this paper analyzes the naval gun ...
XIE Wei-he, SUN Dong-yan, ZHAO Cong
doaj   +1 more source

Redundant variables and the quality of management zones [PDF]

open access: yesEngenharia Agrícola, 2016
Precision agriculture (PA) allows farmers to identify and address variations in an agriculture field. Management zones (MZs) make PA more feasible and economical.
Sobjak Ricardo   +4 more
doaj   +2 more sources

A Survey of Precision Formation Relative State Measurement Technology for Distributed Spacecraft

open access: yesAerospace, 2022
High-precision relative-state measurement technology is one of the key technologies for achieving the precision formation flying of distributed spacecraft.
Zhang Zhang   +5 more
doaj   +1 more source

A precise extragalactic test of General Relativity [PDF]

open access: yesScience, 2018
Testing General Relativity on galaxy scales Einstein's theory of gravity, General Relativity (GR), has been tested precisely within the Solar System. However, it has been difficult to test GR on the scale of an individual galaxy. Collett et al.
Collett, Thomas E.   +9 more
openaire   +7 more sources

Home - About - Disclaimer - Privacy