搜索结果: 1-15 共查到“理学 Scintillation”相关记录21条 . 查询时间(0.296 秒)
Comparison of ionospheric scintillation models with experimental data for satellite navigation applications
ionospheric scintillations scintillation models GPS SBAS
2015/9/10
A comparison between two of the most used scintillation models and experimental data is presented. The experimental
data have been derived from a GPS scintillation monitor developed at Cornell Univer...
On the relationship between the geometrical control of scintillation indices and the data detrending problems observed at high latitudes
ionospheric scintillation GPS scintillation monitors scintillation indices
2015/9/2
The experimental estimate of radio waves scintillation, caused by plasma density irregularities in the ionosphere, is usually attempted by means of scintillation indices which are essentially standard...
Ionospheric scintillation monitoring and modelling
scintillation measurement campaigns phase screen models radar wavelets maps
2015/8/28
This paper presents a review of the ionospheric scintillation monitoring and modelling by the European groups involved in COST 296. Several of these groups have organized scintillation measurement cam...
Ionospheric precursors to scintillation activity
Scintillations Forecasts Dynamics Inverse methods Algorithms and implementation
2015/8/17
Ionospheric scintillation is the rapid fluctuation of both phase and amplitude of trans-ionospheric radio waves due to small scale electron density irregularities in the ionosphere. Prediction of the ...
Putting Isotopes to Work:Liquid Scintillation Counters,1950-1970
Isotopes to Work Liquid Scintillation Counters
2015/3/27
Putting Isotopes to Work:Liquid Scintillation Counters,1950-1970.
Investigation on the scintillation reduction of elliptical vortex beams propagating in atmospheric turbulence
Atmospheric optics Free-space optical communication
2013/7/3
We numerically investigate the scintillation index of an elliptical vortex beam in both modest turbulence and strong turbulence. Numerical simulations are realized with random phase screen sc...
Experimental investigation on the scintillation index of vortex beams propagating in simulated atmospheric turbulence
Experimental investigation scintillation index vortex beams propagating simulated atmospheric turbulence
2013/7/3
The scintillation index of vortex beam in simu-lated atmospheric turbulence is experimentally investigated.The fluctuation of the intensity can be effectively reduced by vortex beams. In particular, t...
Dual-Frequency Observations of 140 Compact, Flat-Spectrum Active Galactic Nuclei for Scintillation-Induced Variability
Flat-Spectrum Active Galactic Nuclei Variability
2011/10/8
The 4.9 GHz Micro-Arcsecond Scintillation-Induced Variability (MASIV) Survey detected a drop in Interstellar Scintillation (ISS) for sources at redshifts z > 2, indicating an apparent increase in angu...
NEST: A Comprehensive Model for Scintillation Yield in Liquid Xenon
Ionization and excitation processes Noble-liquid detectors Scintillators, scintillation and light emission processes Simulation methods and programs
2011/8/31
A comprehensive model for explaining scintillation yield in liquid xenon is introduced.We unify various definitions of work function which abound in the literature and incorporate all available data o...
Nuclear recoil scintillation and ionisation yields in liquid xenon from ZEPLIN–III data
Neutron scattering simulatton Neutron data
2011/8/29
Scintillation and ionisation yields for nuclear recoils in liquid xenon above 10 keVnr(nuclear recoil energy) are deduced from data acquired using broadband Am-Be neutron sources. The nuclear recoil d...
Infrared scintillation yield in gaseous and liquid argon for rare-event experiments
Infrared scintillation yield gaseous liquid
2011/4/7
Infrared scintillation yield in gaseous and liquid argon for rare-event experiments 。
Scintillation decay time and pulse shape discrimination in oxygenated and deoxygenated solutions of linear alkylbenzene for the SNO+ experiment
Scintillation decay time pulse shape discrimination linear alkylbenzene the SNO+ experiment
2011/4/6
Scintillation decay time and pulse shape discrimination in oxygenated and deoxygenated solutions of linear alkylbenzene for the SNO+ experiment 。
Scintillation of thin tetraphenyl butadiene films under alpha particle excitation
thin tetraphenyl butadiene films alpha particle excitation
2010/11/16
The alpha induced scintillation of the wavelength shifter 1,1,4,4-tetraphenyl-1,3-butadiene (TPB) was studied to improve the understanding of possible surface alpha backgrounds in the DEAP dark matter...
Influence of scintillation on quality of ozone monitoring by GOMOS
scintillation quality ozone monitoring GOMOS
2009/12/31
Stellar light passing through the Earth atmosphere is affected by refractive effects, which should be taken into account in retrievals from stellar occultation measurements. Scintillation caused by ai...
Tracking heliospheric disturbances by interplanetary scintillation
heliospheric disturbances interplanetary scintillation
2009/11/9
Coronal mass ejections are known as a solar cause of significant geospace disturbances, and a fuller elucidation of their physical properties and propagation dynamics is needed for space weather predi...