Results 11 to 20 of about 4,802 (208)
A polar crane is a large-scale special lifting equipment operated in a nuclear power plant. To address the precise locating control problem of a polar crane with the center of gravity shifting, with cross-coupling, and with external disturbance, an ...
Xuyang Cao, Zhiwei Wang, Xingang Zhang
doaj +1 more source
INTEGRATION OF INS AND GNSS FOR GRAVIMETRIC APPLICATION WITH UAS [PDF]
The integration based on Inertial Navigation System (INS) and Global Navigation Satellite System (GNSS) has been successfully developed in observing the gravity.
C. A. Lin, K. W. Chiang, C. Y. Kuo
doaj +1 more source
Analysis of Ionospheric Disturbance Response to the Heavy Rain Event
Meteorological activities in the troposphere would affect electron concentrations and distributions in the ionosphere, thereby exciting ionospheric disturbance.
Jian Kong +3 more
doaj +1 more source
Large-scale mining activities have induced numerous non-negligible eco-geological environmental issues that seriously threaten regional ecological security.
Sucui Li +4 more
doaj +1 more source
Ensuring shaft safety is critical in the process of coal mining. During coal mining in the Guotun coal mine, Shandong Province, China, issues, such as shaft deflection, tank channel and shaft deformation, and tank jamming, which did not appear in the ...
Yu Wang +10 more
doaj +1 more source
Gravity Compensation Using EGM2008 for High-Precision Long-Term Inertial Navigation Systems
The gravity disturbance vector is one of the major error sources in high-precision and long-term inertial navigation applications. Specific to the inertial navigation systems (INSs) with high-order horizontal damping networks, analyses of the error ...
Ruonan Wu +5 more
doaj +1 more source
A dominant acoustic-gravity mode in the polar thermosphere [PDF]
The article presents a summary of the main findings of the systematic study of acoustic-gravity waves (AGWs) in the polar thermosphere. This study was based on the in situ measurements made by the Dynamics Explorer 2 (DE2) spacecraft late in its ...
A. K. Fedorenko +3 more
doaj +1 more source
By employing the finite-difference time-domain method, the processes of electric field variation and morphological development of the optical radiation field of ELVEs and sprite halos were simulated in this article.
Chao Wang +4 more
doaj +1 more source
An Algorithm for Strapdown Airborne Gravity Disturbance Vector Measurement Based on High-Precision Navigation and EGM2008 [PDF]
Ke Fang, Tijing Cai
exaly +2 more sources
Features of Winter Stratosphere Small-Scale Disturbance during Sudden Stratospheric Warmings
We analyzed the characteristics of small-scale wave disturbances emerging during the evolution and transformation of the jet stream (JS) in the winter stratosphere and the lower mesosphere of the northern hemisphere, including the periods of sudden ...
Anna S. Yasyukevich +4 more
doaj +1 more source

