Radiation Patterns
Coherent control of radiation patterns of nonlinear multiphoton processes in nanoparticles
... In this paper, instead, we propose a scheme for the coherent control of scattering and absorption pat- terns in nanospheres which applies independently of the multiphoton processes at the origin of scattering and ...
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Ultra-Wideband (UWB) Differential-Fed Antenna with Improved Radiation Patterns
... seen that the proposed antenna displays stable omnidirectional radiation patterns in the H-plane and dipole-like radiation patterns in the E-plane across the entire operating frequencies. Most ...
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Electromagnetic Radiation Patterns of the Leakage Current on Contaminated Insulators
... electromagnetic radiation patterns radiated from contaminated insulator strings are simulated in the CST software in 450 MHz (LTE) and 900 MHz ...on radiation patterns is examined and ...
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Optimization of Radiation Patterns From Isotropic and Dipole Thinned Arrays
... A new approach for the synthesis of thinned uniformly spaced linear arrays featuring a minimum side lobe level is presented by Keizer [5]. The method is based on the iterative Fourier technique to derive element ...
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Design of a Novel Microstrip-Fed Dual-Band Slot Antenna for WLAN Applications
... advantages such as simple structure, compact size and easy fabrication. By introducing a pair of U-shaped strips to the antenna, dual-band operation and good radiation performance suitable for the WLAN systems can ...
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Conical Linear Spiral Antenna for Tracking, Telemetry and Command of Low Earth Orbit Satellites
... The experimental setup for radiation pattern measurements is shown in Figure 14. For measuring the left-hand and right-hand circularly polarized components of the field radiated from the conical spiral antenna, ...
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Method for Broadening the Beamwidths of Crossed Dipole for Wideband Marine GPS Applications
... the patterns uniform over a wide frequency ...uniform radiation patterns over the whole operating frequency band are obtained, making the crossed dipole suitable for wideband marine GPS (Global ...
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V-Shaped Monopole Antenna for Broadband Applications
... far-field radiation characteristics in the entire operating ...far-field radiation patterns of the antenna over the frequency band 3–18 GHz are presented and ...
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An Omni-Directional and Band-Notched Ultra Wideband Antenna on Double Substrates Crossing
... the patterns, and a network analyzer of HP8720 is the major ...antenna radiation patterns at the frequency of ...the radiation patterns of the single substructure in ...
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Performance of Thinned Microstrip Reflectarrays
... All these steps are detailed in a previous work [12]. In that work, a 29x29 reflectarray was designed at 16 GHz, fabricated and tested for radiation patterns. A linearly polarized pyramidal horn, operating ...
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Compact Dual Band-Notched UWB MIMO Antenna for USB Dongle Application with Pattern Diversity Characteristics
... measured radiation pattern of the MIMO antenna is shown in Figure 9 at five different frequencies as 3 GHz, ...directional radiation patterns in XZ-plane and omnidirectional ones in Y Z-plane, whereas ...
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A Compact Split Ring Resonator Antenna for Wireless Communication Systems
... the radiation efficiency at the resonance frequency is around ...and radiation efficiency are much higher than the ones previously presented in [7, ...
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Triple-Band, Dual-Mode and Dual-Polarization Antenna
... the radiation patterns have side lobes, and the maximum side lobe is nearly − 5 dB in the measured E -plane pattern, which is caused by the opposite currents in TM 12 mode as shown in ...
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Electromagnetic Modeling of Coupled Carbon Nanotube Dipole Antennas Based on Integral Equations System
... antenna radiation patterns are in agreement with those obtained by the effective conductivity method or by the array factor method, according to the coupling ...
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Novel Wideband Omnidirectional Antenna for Wireless Applications
... National Key Laboratory of Antenna and Microwave Technology, Xidian University, Xi’an , Shaanxi 710071 , People’s Republic of China Abstract—This paper presents the design of a novel wideband omnidirectional antenna with ...
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A Wideband Planar Dipole Antenna with Parasitic Patches
... the radiation patterns of the proposed antenna with and without parasitic patches were also ...the radiation pattern characteristics especially at higher frequencies ...
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Design of Planner Inverted F-Antenna for Single Band ISM Spectrum
... Now-a-days, it is a great consideration of human body interaction with antennas in cellular mobile communication. Voltage standing wave ratio (VSWR), gain and radiation patterns of the antenna of a handset ...
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Compact Four-Element Antenna Array Design for BeiDou Navigation Satellite System Applications
... the radiation patterns of the antenna elements are tilted toward different angular region due to the mutual coupling and the finite ground plane scattering, wide sky coverage and good polarization purity are ...
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A Hat Shaped Folded Patch Antenna for Advanced S-Band Wireless Communication
... Results of the simulation electrical parameters and characteristics of antenna has been confirmation by measurements. Measurements of patch antenna can be stated that the selected antenna is characterized by good ...
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PATTERN OF RING ARRAYS FOR NONUNIFORM EXCITATION
... the radiation patterns are numerically evaluated for uniform excitation and uniform spacing of the radiating elements of the circular ...The patterns of arrays containing different elements are also ...
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