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line-of-sight path

5 9 GHz inter vehicle communication at intersections: a validated non line of sight path loss and fading model

5 9 GHz inter vehicle communication at intersections: a validated non line of sight path loss and fading model

... Inter-vehicle communication promises to prevent accidents by enabling applications such as cross-traffic assistance. This application requires information from vehicles in non-line-of-sight (NLOS) areas due ...

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Multipath Effect on Covariance Based MIMO Radar Beampattern Design

Multipath Effect on Covariance Based MIMO Radar Beampattern Design

... the line of sight path) and random phase with normal distribution of zero mean and variable variance between 0 to π, to the transmitted ...false path in previous section. In other words in ...

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Fast algorithm for radio propagation modeling in realistic 3-D urban environment

Fast algorithm for radio propagation modeling in realistic 3-D urban environment

... the line of sight path and the non line of sight ...non line of sight signal components need to be summed up to determine the k ...signal path we use the ...

5

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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Mathematical Model for Equivalent Fresnel Zone Line of Sight Percentage Clearance for Terrestrial Point-to-Point Line-of-Sight Communication Link

Mathematical Model for Equivalent Fresnel Zone Line of Sight Percentage Clearance for Terrestrial Point-to-Point Line-of-Sight Communication Link

... zone line of sight percentage clearance for terrestrial point-to-point line-of-sight communication link is ...m path length is used to demonstrate the application of the ...equivalent ...

5

A Path Loss Model for Non Line of Sight Ultraviolet Multiple Scattering Channels

A Path Loss Model for Non Line of Sight Ultraviolet Multiple Scattering Channels

... In this paper, following the same physical scattering law as the Monte Carlo statistical method [2, 21], we develop a stochastic analytical NLOS UV channel path loss model. We apply a stochastic analytical ...

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Differential Fade Depth with Path Length Adjustment (DFD-PLA) Method for Computing the Optimal Path Length of Terrestrial Fixed Point Line of Sight Microwave Link

Differential Fade Depth with Path Length Adjustment (DFD-PLA) Method for Computing the Optimal Path Length of Terrestrial Fixed Point Line of Sight Microwave Link

... with Path Length Adjustment (DFD-PLA) algorithm for calculating the optimal path length for fixed point terrestrial line of sight microwave communication link is ...optimal path length ...

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Parametric Analysis of Isolated Doubled Edged Hill Diffraction Loss Based on Rounded Edge Diffraction Loss Method and Different Radius of Curvature Methods

Parametric Analysis of Isolated Doubled Edged Hill Diffraction Loss Based on Rounded Edge Diffraction Loss Method and Different Radius of Curvature Methods

... a line of sight (LOS) link with double edged hill obstruction is shown in Figure 1 In Figure 2 , a rounded edge of radius, R is fitted in the vicinity of the double edged ...Tangent line referred to ...

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UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments

UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments

... Propagation measurements have been made to character- ize the UWB signal propagation channel. Using short pulse with sub-nanosecond width, the impulse response of the channel can be observed. Figure 1 is the block ...

7

Non Line Of Sight Environment based Localization in Wireless Sensor Networks

Non Line Of Sight Environment based Localization in Wireless Sensor Networks

... direct path between nodes cause some error, called as Non-Line-Of-Sight (NLOS) errors, which positive biases the location estimates and affects the localization ...

6

An Analysis of Selected Art Songs for High Voice by Adolphus Hailstork, A Performer's Guide

An Analysis of Selected Art Songs for High Voice by Adolphus Hailstork, A Performer's Guide

... of sight (NLOS) conditions, and Lee's study generally pertains to an urban ...in line of sight (LOS) cases, indoor/outdoor, ...a path loss exponent, a local mean signal which follows a ...

77

“Philosophical Treatises on Life and Death”:Newspaper Coverage of a Controversial Brain Death Case

“Philosophical Treatises on Life and Death”:Newspaper Coverage of a Controversial Brain Death Case

... capacity. Line of sight (LOS) and non-line of sight (NLOS) path loss models were developed, and these can be used to estimate potential link ranges for 28 and 73 GHz ...The line ...

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A Survey of Hybrid Wireless Localization Techniques in Non Line of Sigh

A Survey of Hybrid Wireless Localization Techniques in Non Line of Sigh

... the line-of- sight (LOS) paths between the unknown node and anchor nodes are ...non- line-of-sight (NLOS) propagation conditions, in which the LOS path between a transmitter and a ...

9

New Spiral Curves for Appropriate  Transition of Minimum Roadside  Clearance on Simple Curves

New Spiral Curves for Appropriate Transition of Minimum Roadside Clearance on Simple Curves

... Guidelines for geometric design of highways require that the inside of horizontal curves be cleared of obstructions to sight in order to provide necessary sight distance. Many of these guidelines use one ...

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Smart Antennas for Communications in Line of Sight

Smart Antennas for Communications in Line of Sight

... The propose to use adaptive antenna array technology to extend naval communications systems beyond line-of-sight at microwave frequencies using the ducting layer as a leaky waveguide. Our new techniques ...

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The effects of line of sight integration on multistrand coronal loop oscillations

The effects of line of sight integration on multistrand coronal loop oscillations

... Observations have shown that transverse oscillations are present in a multitude of coronal structures. It is generally assumed that these oscillations are driven by (sub)surface footpoint motions. Using fully ...

6

A young solar twin in the Rosette cluster NGC 2244 line of sight

A young solar twin in the Rosette cluster NGC 2244 line of sight

... The recent PHOENIX library of stellar high resolution synthetic spectrum models provides a reference for unambiguously deter- mining the stellar spectrum type given a high resolution spectrum (Husser et al. 2013). This ...

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The Composition and Downward Vertical Transport of Particulate Phosphorus in the Cariaco Basin, Venezuela

The Composition and Downward Vertical Transport of Particulate Phosphorus in the Cariaco Basin, Venezuela

... deployment, which is set up on demand and can therefore be pointed toward the flight path. However, a permanent, more rigid antenna mount might be built, such as on the roof of an emergency management agency, in ...

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The merger in abell 576: A line of sight bullet cluster?

The merger in abell 576: A line of sight bullet cluster?

... A major prediction of the merging scenario is the pres- ence of a hot (>10 keV if we scale from 1E0657-56) com- ponent correspondent to the bow shock layer on the line of sight. In order to test the ...

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Centration axis in refractive surgery

Centration axis in refractive surgery

... The line-of-sight (LOS) (the line joining the entrance pupil center with the fixation point) is often the recommended reference axis for representing wavefront aberrations of the whole eye (derived ...

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