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propagation paths

A study of the behavior of the terminator time shifts using multiple VLF propagation paths during the Pakistan earthquake ( 7.2) of 18 January 2011

A study of the behavior of the terminator time shifts using multiple VLF propagation paths during the Pakistan earthquake ( 7.2) of 18 January 2011

... found five cases where the terminator times were shifted a few days before the earthquake. According to them, the rea- sons for the absence of the terminator time shifts in the other five cases could be due to the long ...

6

ABSTRACT : The capability of PHY layer of WiFi has made it possible to utilize WiFi signals for both

ABSTRACT : The capability of PHY layer of WiFi has made it possible to utilize WiFi signals for both

... NLOS propagation may degrade communication quality and deteriorate theoretical signal propagation ...NLOS propagation the availability of LOS path must be ...NLOS paths based on their ...

5

Performance limits of channel parameter estimation for joint communication and positioning

Performance limits of channel parameter estimation for joint communication and positioning

... In this article, performance limits for parameter estima- tion in terms of Cramer-Rao lower bounds (CRLBs) are determined for different channel models. Especially, the impact of oversampling is analyzed. Three different ...

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Ionospheric perturbations in possible association with the 2010 Haiti earthquake, as based on medium-distance subionospheric VLF propagation data

Ionospheric perturbations in possible association with the 2010 Haiti earthquake, as based on medium-distance subionospheric VLF propagation data

... VLF/LF propagation anomalies and ...one propagation path, but for a period of 2 years and Maekawa et ...particular propagation path for 6 ...VLF/LF propagation paths (Hayakawa et ...

6

Trimpi Perturbations from Large Ionisation Enhancement Patches

Trimpi Perturbations from Large Ionisation Enhancement Patches

... The modelling of Trimpi perturbations was extended to 3D by Poulsen et al. (1990). Their model enabled the e€ect of LIE regions of ®nite size both on and to the side of the transmitter-receiver path to be investi- gated. ...

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Impact of overlapped AoAs on the achievable uplink rate of hybrid beamforming for massive MIMO mm Wave Systems for industrial environments

Impact of overlapped AoAs on the achievable uplink rate of hybrid beamforming for massive MIMO mm Wave Systems for industrial environments

... user paths to share the same ...the paths of several users share the same common scatters which arrive with completely overlapped AoAs at the ...the propagation paths are overlapped which are ...

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Radio propagation measurement for broadband system

Radio propagation measurement for broadband system

... The phenomenon of reflection, diffraction and scattering all give rise to additional radio propagation paths beyond the direct optical "line of sight" path between the radio transmitter [r] ...

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Simulation and Analysis of 60ghz Millimeter-Wave Indoor Propagation Characteristics Base on the Method of Sbr/Image

Simulation and Analysis of 60ghz Millimeter-Wave Indoor Propagation Characteristics Base on the Method of Sbr/Image

... complex propagation environment, and it can find all the radio wave propagation paths from the transmitter to the receiver with high accuracy and computational ...wave propagation. In this ...

14

Surface Wave Propagation and Source Studies in the Gulf of California Region

Surface Wave Propagation and Source Studies in the Gulf of California Region

... Earthquake sources, propagation paths, observed fundamental and first higher mode (Sn) Rayleigh wave dispersion, and crustal model fit to the data for the central [r] ...

155

Schissler_unc_0153D_17260.pdf

Schissler_unc_0153D_17260.pdf

... sound propagation paths and impulse responses, to reduce the number of rays and ray bounces that are needed on each frame for sufficient sound ...reflection paths from previous frames, thereby ...

138

Hard paths, soft paths or no paths? Cross cultural perceptions of water solutions

Hard paths, soft paths or no paths? Cross cultural perceptions of water solutions

... and water-scarce sites were more likely to perceive no path. In the two less developed sites, people’s statements indi- cated that they lacked the information and resources they needed to confront water problems. This is ...

12

Sagnac interferometry with a single atomic clock

Sagnac interferometry with a single atomic clock

... before, a final π/2-pulse converts phase difference into measurable number difference. This sequence removes the time-dependent dynamical phase, because all atoms spend half the observer’s time in each spin state. While ...

6

Maps for Easy Paths (MEP): Accessible Paths Tracking and Reconstruction

Maps for Easy Paths (MEP): Accessible Paths Tracking and Reconstruction

... In this paper we have described the results of data acquisitions done in Cernobbio (Como, Italy) for the MEP (Maps for Easy Path) project. The tools developed for the project have been illustrated and in particular the ...

10

Ultrasound field measurement and modelling for non-destructive testing

Ultrasound field measurement and modelling for non-destructive testing

... ray paths are shown by the lines AP and ...the propagation velocities of the longitudinal and the shear waves are different, the refracted longitudinal ray (solid line) and the refracted shear ray (dotted ...

197

Best Practices for Advertisement of Multiple Paths in BGP

Best Practices for Advertisement of Multiple Paths in BGP

... of paths that are third best or ...12 paths for that ...overall paths came from another cluster. Contrast this with the use of Add-Paths in the client-to-RR ...2 paths learned from non- ...

24

Paths to Justice in the Netherlands

Paths to Justice in the Netherlands

... While those aged 65 and over, pensioners, widows, and those at the lowest educational levels turn to legal advice relatively rarely and deal with justiciable prob[r] ...

13

ON THE SPECTRA OF CYCLES AND PATHS

ON THE SPECTRA OF CYCLES AND PATHS

... Abstract. Energy of a graph was defined by E. H¨ uckel as the sum of absolute values of the eigenvalues of the adjacency matrix during the search for a method to obtain approx- imate solutions of Schr¨ odinger equation ...

10

Are There Multiple Paths to Delinquency

Are There Multiple Paths to Delinquency

... As Figure 3 illustrates, the first cluster in the child typology is a large cluster N=263 containing children who have an average or positive home environment, who have parents with slig[r] ...

37

The Antimedian Function on Paths

The Antimedian Function on Paths

... We are interested in finite metric spaces defined in terms of connected graphs. Let G = ( V E , ) be a finite connected graph, and let d be the usual distance on V , where d x y ( , ) is the length of a shortest path ...

13

Ramsey goodness of paths

Ramsey goodness of paths

... Abstract Given a pair of graphs G and H, the Ramsey number RG, H is the smallest N such that every red-blue coloring of the edges of the complete graph KN contains a red copy of G or a b[r] ...

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