Results 21 to 30 of about 1,181,239 (240)
Features of Winter Stratosphere Small-Scale Disturbance during Sudden Stratospheric Warmings
Remote Sensing, 2022 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
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Two-dimensional Kalman filter approach to airborne vector gravimetry
Journal of Geodetic Science, 2019 The paper presents a new approach to the airborne vector gravimetry problem. The idea of the approach is to take into account spatial correlation of the gravity field to improve observability of horizontal components of the gravity disturbance vector ...
Vyazmin V.S., Bolotin Yu.V.
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Gravity Disturbance Analysis of Geodynamics In East Indonesia [PDF]
, 2023 Gravity satellites can be used for geodynamic studies in large and hard-to-reach areas. This study conducts gravity disturbance analysis from GOCE and EGM2008 satellite data for geodynamic interpretation in eastern Indonesia, the results of which are ...
Shalihat, Annisa Kurnia +2 more
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Improving the Strapdown Airborne Vector Gravimetry by a Backward Inertial Navigation Algorithm
Sensors, 2018 Strapdown airborne gravimetry is an efficient way to obtain gravity field data. A new method has been developed to improve the accuracy of airborne vector gravimetry.
Minghao Wang +5 more
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Research on Unpowered Trim Ascent Motion Characteristics of Deep-sea Vehicles
水下无人系统学报, 2022 To improve the ascent response speed of unpowered deep-sea vehicles, and meet the requirements of mission loads for its water-exit attitude, considering the effect of ocean currents and buoyancy changes, a space motion simulation model of the vehicle was
Zhi-chao ZHAO +3 more
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PREDOMINANT TRAVELING IONOSPHERIC DISTURBANCES OVER EASTERN EUROPE DURING LOW LEVELS OF SOLAR AND GEOMAGNETIC ACTIVITIES USING INCOHERENT SCATTER RADAR DATA [PDF]
Radio Physics and Radio Astronomy, 2020 Purpose: Detection of wave processes of various temporal and spatial scales in the mid-latitude ionosphere over the Eastern Europe near the characteristic geophysical time periods (equinoxes and solstices) during magnetically quiet and weakly disturbed ...
K. D. Aksonova, S. V. Panasenko
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Free surface flow into a horizontal slot with zero gravity [PDF]
, 2000 The two-dimensional free surface flow of a finite-depth fluid into a horizontal slot is considered. For this study, the effects of viscosity and gravity are ignored. A generalized Schwarz-Christoffel mapping is used to formulate the problem in terms of a
McCue, S. W. +3 more
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Vietnam Journal of Mechanics, 2019 The elevator is usually hinged to the horizontal tail, which acts as a balance and controls the altitude, establishes a steady motion for the aircraft at all lift coefficients. During elevator rotating, the aircraft needs to be stable to establish a new
Hoang Thi Bich Ngoc, Bui Vinh Binh
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Energies, 2020 Motion states of bottom hole assembly (BHA) have a great effect on the trajectory control and drilling efficiency while rotary drilling. In order to study the motion states of BHA in horizontal wells, a BHA dynamic model with the finite element method ...
Wei Li +4 more
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Вісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка, 2023 Background. Volcanoes belong to high-energy sources capable of causing significant disturbances in all subsystems of the Earth – atmosphere – ionosphere – magnetosphere (EAIM) system.
L. F. Chernogor +2 more
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