line-of-sight radio
Chapter 8 practice
... To estimate the height of a radio tower, Jody steps 25 feet away from the center of the tower’s base, until his line of sight to the top of the tower and his line of sight to the center[r] ...
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Radiowave propagation measurements and prediction in bushfires
... The Line-Of-Sight (LOS) radio wave propagation measurements in moderate intensity vegetation fires (700-1000 K) have shown that signal attenuation is plume temperature and frequency ...on ...
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Stochastic relation between anomalous propagation in the line-of-sight VHF radio band and occurrences of earthquakes
... anomalous line-of-sight propagation on the very high frequency (VHF) band and occurrences of earthquakes near the VHF propagation ...FM radio broadcasting waves on the VHF band were monitored con- ...
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The Cariboo Alpine Mesonet: sub-hourly hydrometeorological observations of British Columbia's Cariboo Mountains and surrounding area since 2006
... Equipment previously installed at Blackbear Mountain was moved during August 2007 to a bedrock ridge at 2105 m a.s.l. near Castle Creek Glacier, 40 km west of McBride, BC, to support research of the Western Canadian ...
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UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments
... UWB technology has been employed for several decades in military and commercial communications applications like high-speed mobile local area networks, imaging and surveillance systems, ground penetration radars, automo- ...
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An Analysis of Selected Art Songs for High Voice by Adolphus Hailstork, A Performer's Guide
... indoor radio channels has been a dynamic area of research in recent years because of the increasing demand for indoor wireless ...in line-of-sight (LOS) ...
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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
... [15] Arzubi, A. A., Castro Lechtaler, A., Foti, A., Fusario, R., García Garino, C., & García Guibout, J. (2010). Design of a Trans-Horizon radio link for ultra high and super high frequencies. In XVI Congreso ...
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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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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 ...harsh radio propagation environments such as through tunnels, under bridges, tree canopies, or other enclosed areas ...
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Smart Antennas for Communications in Line of Sight
... beyond line-of-sight communications to both operational mission safety and ....SoftwareDefined Radio (SDR) solutions that have RF interfaces that allow for multi-branch- diversity ...
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Non Line Of Sight Environment based Localization in Wireless Sensor Networks
... Refraction of the radio wave from objects are associated into multipath and shadowing phenomena, respectively. Due to the multi-component nature of the multipath, its effect can be constructive or destructive in ...
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NON-LINE OF SIGHT: TECHNOLOGY & IMPLEMENTATION
... (MIMO) radio systems are able to asses the real time channel conditions and adjust how data is sent to multiple transmit antennas and how best to extract symbols from multiple receive ...multi radio designs ...
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Title: A Study on Developments in Wireless Visible Light Communication
... to radio-wave wireless ...to radio-wave communication, due to the fact that visible light communication is basically line-of-sight communication, which means that communication is interrupted ...
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A radio-controlled trencher for accurate installation of shallow ditches and pipelines
... the target and maintains grade by operating the radio control to raise or lower the target (and thus the cutter head) in relation to the line of sight.. The transit operator makes adjust[r] ...
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Development of Radio Wave Propagation Model in Indoor Non-Line-of-Sight (NLOS) Scenario
... new radio wave propagation model for indoor Non-Line-of-Sight (NLOS) scenarios with the help of TP-LINK router ...indoor radio wave ...
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ABSTRACT: The radio telescopes used for radio astronomy are very huge and are manually controlled to
... receiving radio with an LNA (low noise amplifier) and a couple of line amps, a 93cm x 85cm DTH satellite ...Hydrogen line of our milky way in Perseus arm, Sagittarius arm, And Outer ...energy ...
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ASTRONOMY AND ASTROPHYSICS. Color distributions in E-S0 galaxies. II. Evidence for diffuse dust concentration in the disks of disky E-type galaxies
... a line of sight through the major axis integrates more light from the equatorial layer than other lines of sight, so that a redder ma- jor axis is expected whenever dust is concentrated towards the ...
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The composition and distribution of dust along the line of sight toward the Galactic Center
... along sight lines toward the GC Quintuplet sources and several dusty late-type WC Wolf-Rayet stars and has been attrib- uted to the aromatic CwC stretch in polycyclic aromatic hydrocarbon molecules (PAH) in the ...
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Trojans in Wireless Sensor Networks
... In addition to the black hole, disk, and jet (if present), an AGN is also thought to be surrounded by clouds of gas divided into two distinct regions. The inner-most area is known as the Broad-Line Region (BLR), ...
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First-Order Optimal Line-of-Sight Guidance for Stationary Targets
... The governing equation of motion of a vehicle, P , as a point mass for a one-dimensional case is h = a, where h is the distance of the vehicle from the line between reference point O and the target position, as ...
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