نتایج جستجو برای: shock standoff
تعداد نتایج: 104576 فیلتر نتایج به سال:
The utilization of high accuracy sensors in harsh environments has been limited by the temperature constraints of the control electronics that must be co-located with the sensor. Several methods of remote interrogation for resonant sensors are presented in this paper which would allow these sensors to be extended to harsh environments. This work in particular demonstrates for the first time the...
This paper describes the Error-Annotated German Learner Corpus (EAGLE), a corpus of beginning learner German with grammatical error annotation. The corpus contains online workbook and and hand-written essay data from learners in introductory German courses at The Ohio State University. We introduce an error typology developed for beginning learners of German that focuses on linguistic propertie...
We present a new and innovative short-wave infrared (SWIR) hyperspectral imaging focal plane array (FPA) concept for bulk and trace standoff explosives detection. The proposed technology combines conventional uncooled InGaAs based SWIR imaging with the wavelength selectivity of a monolithically integrated solid-state Fabry-Perot interferometer. Each pixel of the array consists of a group of sub...
Introduction: Most scientists now accept that impacts on the earth of large asteroids and comets have occurred in the past, and will, without intervention , occur again; with devastating affects on the earth and all living creatures. About ten years ago, researchers [1,2] and others studied a number of ways that an asteroid could be diverted from an impending collision with the earth by pushing...
Shear wave seismic-acoustic imaging incorporating laser Doppler vibrometers (LDV) has been successfully used to detect buried landmines using single tone excitation. In this paper, the use of linear frequency modulated (LFM) chirps is proposed to exploit wideband resonant behavior. This technique captures more information about complex elastic inhomogeneities while being more tolerant to noise.
Photoacoustic spectroscopy (PAS) is a useful monitoring technique that is well suited for trace detection of gaseous and condensed media. We have previously demonstrated favorable PAS gas detection characteristics when the system dimensions are scaled to a micro-system design. This design includes quantum cascade laser (QCL)-based microelectromechanical systems (MEMS)-scale photoacoustic sensor...
background and objectives: hydrocortisone is widely used in septic shock cases resistant to fluid and vasopressor therapy. it may result in increased blood pressure and survival. however the efficacy is no established among patients with severe burn and septic shock. accordingly it was assessed in this study. materials and methods: the patients older than 14 years of age with resistant septic s...
a b s t r a c t a 36-year-old male patient with posttraumatic cervical cord damage and resultant quadriparesis, demonstrated hypotension and periods of bradycardia. for most of his two-month stay in the intensive care unit (icu), he was dependent on dopamine support to maintain hemodynamic stability. keeping in mind evidence from the literature, that electrostimulation of acupoints neiguan (pc ...
It is shown that the contraction mapping principle with involvement of a Carleman Weight Function works for Coefficient Inverse Problem 1D hyperbolic equation. Using estimate, global convergence corresponding numerical method established. Numerical studies both computationally simulated and experimentally collected data are presented. The experimental part concerned problem computing dielectric...
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