Results 31 to 40 of about 75,092 (126)

Reducing motion sickness during simulated astronaut post-spaceflight water landings using anticipatory cues or postural control

npj Microgravity
Astronauts returning to Earth after adapting to microgravity are susceptible to Entry Motion Sickness while they are readapting to 1G. We assessed the efficacy of two countermeasures in reducing the incidence and severity of motion sickness symptoms ...
Taylor L. Lonner, Aaron R. Allred, Aadhit R. Gopinath, Tori Morgheim, Eric L. Groen, Charles M. Oman, Paul DiZio, Ben D. Lawson, Saige R. Drecksler, Torin K. Clark   +9 more
doaj   +1 more source

Evaluating the impact of motion compensation on turbulence intensity measurements from continuous-wave and pulsed floating lidars [PDF]

Wind Energy Science
Floating lidar systems (FLSs) play a crucial role in offshore wind resource assessment, offering a cost-effective and flexible alternative to traditional meteorological masts.
W. Watson, W. Watson, G. Wolken-Möhlmann, J. Gottschall, J. Gottschall   +4 more
doaj   +1 more source

Research Status of Movement and Connection Modes of Snake-like Robot

Jixie chuandong, 2015
First of all,the four modes of common motion,named serpentine locomotion,traveling wave motion,sideway motion and helical motion are analyzed.Then,for the connection mode of the joint of snake like robot,the characteristics and application range of the ...
Ke Xianxin, Xin Jizhong, Yang Yang
doaj  

Subinteger Range-Bin Alignment Method for ISAR Imaging of Noncooperative Targets

EURASIP Journal on Advances in Signal Processing, 2010
Inverse Synthetic Aperture Radar (ISAR) is a coherent radar technique capable of generating images of noncooperative targets. ISAR may have better performance in adverse meteorological conditions than traditional imaging sensors.
Pérez-Martínez F, Muñoz-Ferreras JM   +1 more
doaj  

Rupture process of the 2023 MW 6.1 Jishishan (China) earthquake in a compressional stress regime and implications for seismic hazards

Geomatics, Natural Hazards & Risk
On 18 December 2023, an MW 6.1 earthquake struck Jishishan County, China, and occurred on a blind thrust fault at the northeastern edge of the Tibetan Plateau.
Xiangyun Guo, Xu Zhang, Xinxin Yin, Lei Yi, Anjian Wang, Chaoyong Peng, Shiguang Wang, Bo Zhang, Long Zhang, Zhenyue Li   +9 more
doaj   +1 more source

A combined method for high-speed rail seismic monitoring and early warning

Geodesy and Geodynamics, 2017
The ground motion characteristics include the strength, frequency spectrum and duration time. In China, the PGA (peak ground acceleration) is commonly used in determination of whether an earthquake warning is necessary when the high-speed train is on the
Zhigao Chen, Jun Huang
doaj   +1 more source

A Real-Time Early Warning Seismic Event Detection Algorithm Using Smart Geo-Spatial Bi-Axial Inclinometer Nodes for Industry 4.0 Applications

Applied Sciences, 2019
Earthquakes are one of the major natural calamities as well as a prime subject of interest for seismologists, state agencies, and ground motion instrumentation scientists.
Hasan Tariq, Farid Touati, Mohammed Abdulla E. Al-Hitmi, Damiano Crescini, Adel Ben Mnaouer   +4 more
doaj   +1 more source

The 2009 earthquake, magnitude mb 4.8, in the Pantanal Wetlands, west-central Brazil

Anais da Academia Brasileira de Ciências, 2016
The main goal of this paper is to characterize the Coxim earthquake occurred in June 15th, 2009 in the Pantanal Basin and to discuss the relationship between its faulting mechanism with the Transbrasiliano Lineament.
FÁBIO L. DIAS, MARCELO ASSUMPÇÃO, EDNA M. FACINCANI, GEORGE S. FRANÇA, MARIO L. ASSINE, ANTÔNIO C. PARANHOS FILHO, ROBERTO M. GAMARRA   +6 more
doaj   +1 more source

Study on the Focal Mechanism of the M5.1 Badong Earthquake in Hubei

Geodesy and Geodynamics, 2014
The focal mechanism solutions of the M5. 1 Badong earthquake and subsequent 34 aftershocks at ML 2. 0 or more were calculated using the P-wave first motion method; the main earthquake was normal fault dip slip type, and the slip types of the seismogenic ...
Chen Junhua, Zhao Lingyun, Wu Haibo
doaj   +1 more source

Application of the on-site P-wave earthquake early warning method based on site-specific ratios of S-waves to P-waves to the 2016 Kumamoto earthquake sequence, Japan

Earth, Planets and Space
The on-site P-wave earthquake early warning (EEW) based on the site-specific ratios of S-waves to P-waves has been applied to large-sized offshore earthquakes, and the efficiency of the method has been validated.
Seiji Tsuno, Katsutomo Niwa, Masahiro Korenaga, Hiroaki Yamanaka, Kosuke Chimoto, Hiroe Miyake, Nobuyuki Yamada   +6 more
doaj   +1 more source