line-of-sight system
UWB Channel Modeling Improvement in Indoor Line of Sight (LOS) Environments
... Channel measurement and modeling are important issues when designing ultra wideband (UWB) communi- cation systems. A Precise model of the channel response is inevitable for designing a UWB telecommunica- tion ...
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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
... [4] Feuerstein, M. J., Blackard, K. L., Rappaport, T. S., Seidel, S. Y., & Xia, H. H. (1994). Path loss, delay spread, and outage models as functions of antenna height for microcellular system design. IEEE ...
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Link Budget Design for RF Line of Sight via Theoretical Propagation Prediction
... clear line of sight should exist between receiver and transmitter [9] ...the system performance, and then it is necessary to compute the power and ...
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Title : ADVANCED SECURITY NOTION IN ATM TRANSACTIONS TO PREVENT BACKSEAT PEEKING Author (s) : R. VENGATALAKSHMI , N. KALPANA, R. SASIKKALA, V. K SUBHASHINI
... Medium frequency RFID (typically 13.56 MHz) is used in Emergency Action Notification (EAS) systems and ISM (Industrial, Scientific and Medical) applications. They have a medium read range, medium data transfer rate, but ...
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A Path Loss Model for Non Line of Sight Ultraviolet Multiple Scattering Channels
... scattering order. The path loss predicted using only the con- tribution from the first-order agreed with Reilly’s analytical single scattering model, as illustrated with di ff erent optical geometries. Multiple scattering ...
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Stochastic relation between anomalous propagation in the line-of-sight VHF radio band and occurrences of earthquakes
... monitoring system The purpose of this paper is to find out any relation be- tween anomalous line-of-sight propagation on the VHF band and occurrences of earthquakes near the propagation ...monitoring ...
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DESIGN OF A MARS ROVER WITH THREE PIVOT POINT MECHANISM
... The whole rover control is given under Atmega2560, which we consider as the brain of whole rover which was powered by the voltage regulator through VIN. The rover motor driver control, GPS, 9-Axis accelerometer, ...
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Robust time of arrival source localization employing error covariance of sample mean and sample median in line of sight/non line of sight mixture environments
... localization system is to find a geometrical point of intersection using the measure- ments from each receiver, such as the time difference of arrival (TDOA), time of arrival (TOA), or received signal strength ...
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Robust Estimator for Non-Line-of-Sight Error Mitigation in Indoor Localization
... The system consisted of beacons and tags, including Bluetooth modules (Mitsumi), which kept them sharply synchronized ...this system is the remarkable relationship between the beacons (starting data) needed ...
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A young solar twin in the Rosette cluster NGC 2244 line of sight
... interference fringing that affects spectra in very high orders, and also help to define the limits of the aperture mask that separates orders. Science frames are bias subtracted, and then co-added as sums to get the most ...
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The merger in abell 576: A line of sight bullet cluster?
... Optical studies of A576 show several peculiarities that can be interpreted either as consequences of a cluster- cluster merging or as due to projection effects. Rines et al. (2000 - hereafter R00) used the kinematics of ...
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ECE for NTM control on ITER
... Using line-of-sight ECE, these relations are the same, ...a system on ITER by Bongers et ...a line-of-sight ECE system for ...
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Smart Antennas for Communications in Line of Sight
... current system as an appliqué, with a final evolution of approach using COTS SDR solutions that have RF interfaces that allow for multi-branch-diversity ...
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First-Order Optimal Line-of-Sight Guidance for Stationary Targets
... control system of linearized LOS problem have been obtained in [14,15] for stationary targets; however, their performance indices are slightly ...control system highly increases solution diculties in the ...
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NON-LINE OF SIGHT: TECHNOLOGY & IMPLEMENTATION
... To test the capability of its new OFDM system, a variety of field tests were conducted at Solectek headquarters in San Diego, CA. The effects of trees, rooflines and hillsides were all put to the test by comparing ...
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Establishing a line of sight for risk management
... When I started my job, the business unit had just been created and the organisation was mostly just a collection of ideas and plans that we wanted to establish. Every year in October the financial consolidations began in ...
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Non Line Of Sight Environment based Localization in Wireless Sensor Networks
... Obstacles blocking the 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 accuracy. The main ...
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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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Thermal non-line-of-sight imaging from specular and diffuse reflections
... First, we evaluate the position estimation of the hidden object. We locate the iron with the temperature of 370 ◦ C at three different positions A, B, and C in the NLOS scene, as shown in Fig. 1. An observed image is ...
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Geometric aspects of HF driven Langmuir turbulence in the ionosphere
... radar line of sight and the electric field po- ...of sight as well as HF incidence are often ...radar line of sights, in the active ...
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