omnidirectional antennas
Wide Bandwidth Horizontally-Polarized Omnidirectional Antennas for Indoor Distributed Antenna System Applications
... proposed omnidirectional antennas consisting of printed dipoles, wideband power divider and crossed ...proposed antennas are fed through 50 Ω RG086 coaxial cables at bottom center of the ...
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Predicting Ground Effects of Omnidirectional Antennas in Wireless Sensor Networks
... Omnidirectional antennas are often used for radio frequency (RF) communication in wireless sensor net- works ...the omnidirectional transmission ...
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A Dual-Polarized Omnidirectional Antenna with Two Kinds of Printed Wideband Low-Profile Radiating Elements
... transmitting antennas, omnidirectional antennas have drawn tremendous attention in modern wireless communication systems, such as base stations, indoor distributed antenna system (IDAS), WLANs, and ...
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Design of Omnidirectional High-Gain Antenna with Broadband Radiant Load in C Wave Band
... broadband omnidirectional high-gain antennas with broadband radiant loads are ...The antennas are manufactured with FR-4 epoxy printed ...of antennas are less than the impedance bandwidths, ...
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Novel Wideband Omnidirectional Antenna for Wireless Applications
... for omnidirectional antennas with multi-band or wideband operation has increased considerably [11, ...wideband omnidirectional planar microstrip ...
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A Wideband Omnidirectional Printed Array Antenna
... an omnidirectional antenna is a class of antennas which radiate radio wave power uniformly in all directions in one plane, with radiated power decreasing with elevation angle above or below the plane, ...
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A Broadband Omnidirectional Antenna Array for Base Station
... of omnidirectional antennas have been ...polarized omnidirectional antenna array with 8 elements is ...HP omnidirectional antenna array using zero phase-shift-line loop elements is proposed in ...
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Three Optimized Omnidirectional Microstrip Antennas (OMA) for WLAN Applications
... optimized omnidirectional antennas based on OMA concept are proposed and fabricated which can be used in ...designed antennas are successfully fabricated, and the experimental results are presented ...
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Design of Circularly Polarized Omnidirectional Bifilar Helix Antennas with Optimum Wide Axial Ratio Beamwidth
... CP omnidirectional SFBHAs for different d/L hel ...These antennas are of lowest profile ...CP omnidirectional antennas not requiring ground ...
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An Omnidirectional Printed Collinear Microstrip Antenna Array
... for omnidirectional antennas with narrow beams in the elevation plane is increased ...considerably. Omnidirectional antennas are used in many frequency bands from ...using ...
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Phased arrays: A strategy to lower the energy threshold for neutrinos
... We studied the trigger rate and trigger e ffi ciency of a digital phased array and compared it to a simulation that includes both bandlimited impulses and uncorrelated noise. Using the smallest antennas, the ...
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An Omnidirectional Stereo Vision-Based Smart Wheelchair
... The SOS (Figure 4) is an innovative camera system devel- oped by the authors of [13, 14]. Despite the fist-size compact structure 11.6 cm in diameter and 615 g in weight, the system can acquire omnidirectional ...
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Generation Of Electricity By Traffic Using Renewable Energy Resources
... Smart Antennas for Wireless Communications, optical antennas and Ultra-Wide Band Antennas applying fractal concepts and working in the Areas of Applications and developing new algorithms in Smart ...
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Numerical Investigations of Ultra Wideband Stacked Rectangular DRA Excited by Rectangular Patch
... A rectangular stacked dielectric resonator antenna excited by rectangular patch has been numerically analyzed and designed using the FDTD method, Ansoft HFSS software and CST Microwave Studio simulator. The numerical ...
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Millimeter Wave Omnidirectional Quasi-Yagi Array
... Abstract—A novel planar omnidirectional array based on Quasi-Yagi antenna is proposed in this paper. The modeling of this antenna and design method based on equivalent circuits have been developed. An eight-unit ...
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An Omnidirectional Resonator for Wireless Power Transfer
... 3D omnidirectional wireless power transfer, and the general principle of load detection was ...an omnidirectional magnetic resonant coupling WPT system in ...for omnidirectional WPT systems were also ...
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Method of Omnidirectional Movement of Humanoid Robot
... [7] Graf C, Hartl E, Rofer T, et al. A robust closed-loop gait for the standard platform league humanoid[C]. 4th Workshop on Humanoid Soccer Robots. Piscataway, USA: IEEE, 2009: 30-37. [8] Behnke S. Online trajectory ...
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Wideband Omnidirectional Operation Monopole Antenna
... Abstract—This paper presents a square cylindrical monopole antenna easily fabricated using a cross-shaped metal plate for wideband omnidirectional operation. A prototype of the proposed antenna with a ...
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Design improvement and prototyping of a Testbed for the Calibration and RFI Mitigation Algorithms used in OLFAR
... prototype’s antennas correspond to ideal dipoles has been answered. The antennas and the ideal dipoles correspond in having only two main lobes and being linearly polarized, two important ...the ...
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Transients in antennas
... The transient radiation field of a rectangular loop antenna excited by a voltage step is considered by Dion.. The loops are fed at the midpoint of one of their.[r] ...
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