Results 191 to 200 of about 25,440 (253)

Similarities and differences between natural sleep and urethane anesthesia. [PDF]

Sci Rep
Brankačk J, Yanovsky Y, Tort ABL, Draguhn A.   +3 more
europepmc   +1 more source

Current status of functional testing for upper gastrointestinal disorders: state-of-the-art review. [PDF]

Singapore Med J
Tan AXH, Soh AYS, Kuang JZ, Siah KTH, Ong AML, Ang D.   +5 more
europepmc   +1 more source

Non-invasive Electrophysiological Characterization of Distinctive Meditative States in a Yogi during <i>Samaadhi</i>. [PDF]

Int J Yoga
Dutt DN, Rao GRG, Ramaswamy CR, Rangaprakash D, Deshpande G, Pradhan N.   +5 more
europepmc   +1 more source

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UAV-Enabled Subsurface Characterization Using Multichannel Analysis of Surface Waves

Journal of Geotechnical and Geoenvironmental Engineering, 2021
AbstractThe implementation of unmanned aerial vehicles (UAVs) in civil engineering has primarily focused on remote sensing using optical cameras, light detection and ranging (LiDAR), and communicat...
William W. Greenwood, Dimitrios Zekkos, Jerome P. Lynch   +2 more
openaire   +1 more source

Multichannel analysis of surface waves

GEOPHYSICS, 1999
The frequency‐dependent properties of Rayleigh‐type surface waves can be utilized for imaging and characterizing the shallow subsurface. Most surface‐wave analysis relies on the accurate calculation of phase velocities for the horizontally traveling fundamental‐mode Rayleigh wave acquired by stepping out a pair of receivers at intervals based on ...
Choon B. Park, Richard D. Miller, Jianghai Xia   +2 more
openaire   +1 more source

Interferometric Multichannel Analysis of Surface Waves (IMASW)

Bulletin of the Seismological Society of America, 2011
Abstract Refraction microtremor (ReMi) and multichannel analysis of surface waves (MASW) are effective approaches to estimate shallow shear-wave velocity ( V S ) structure often needed to estimate ground motions using recent ground motion prediction relations.
D. R. H. O'Connell, J. P. Turner
openaire   +1 more source

Multichannel analysis of surface waves (MASW) for offshore geotechnical investigations

Engineering Geology, 2020
Abstract Multichannel analysis of surface wave (MASW) surveys are commonly used onshore to produce shear wave velocity (Vs) profiles. This paper describes its use in offshore geotechnical investigations (underwater MASW - UMASW) where the focus was on the upper 15 m of the sediment profile to aid the design of structures such as marine pipelines ...
Michael Long, Andy Trafford, Tomás McGrath, Peter O'Connor   +3 more
openaire   +1 more source

Horizontal resolution of multichannel analysis of surface waves

GEOPHYSICS, 2017
The multichannel analysis of surface wave (MASW) method has been effectively and widely used to determine near-surface shear-wave velocity. Horizontal resolution of the MASW method represents the minimum horizontal length of recognizable geologic anomalous bodies on a pseudo-2D S-wave velocity [Formula: see text] section.
Binbin Mi, Jianghai Xia, Chao Shen, Limin Wang, Yue Hu, Feng Cheng   +5 more
openaire   +1 more source

Multichannel analysis of surface waves to map bedrock

The Leading Edge, 1999
High-velocity gradients within the shear-wave velocity field consistent with drill-confirmed bedrock are considered diagnostic of the bedrock surface and were used to map the top of bedrock on all four lines collected at this site. Localized lateral decreases in the shear-wave velocity below the bedrock surface were classified as fracture zones or ...
Richard D. Miller, Jianghai Xia, Choon B. Park, Julian M. Ivanov   +3 more
openaire   +1 more source