Radiation Pattern
Acceleration of Very Large Reflectarray Radiation Pattern Computation Using an Adaptive Resolution Spectral Grid
... considered in the computation of the radiation pattern with the NUFFT or direct evaluation. For the FFT the same resolution is employed, but in the whole visible region due to its limitations. Table 2 ...
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Analysis of Horn Radiation Pattern Using UTD Edge and Corner Diffraction
... A broadband double-ridged horn antenna is used in transmitting mode and the antenna under test (AUT) on a rotating machine is used in receiving mode as shown in the Fig. 3. The rotating machine rotes in one degree step ...
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Ka-Band Radiation Pattern Reconfigurable Antenna Based on Microstrip MEMS Switches
... their radiation characteristics such as frequency, polarization, radiation pattern, ...maintaining radiation patterns and polarization could make antenna work in different ...change ...
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Electric field enhancement and far field radiation pattern of the nanoantenna with concentric rings
... spacer is connected. Special rotational power flows are found at the most red regions with strong electric field intensity. The concentric rings can help to couple more light into the nanoantenna for some specific ...
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Impact of Element Spacing on the Radiation Pattern of Planar Array of Monopole Antenna
... broad radiation pattern and occupied large bandwidth, which decrease with increase in the ...the radiation patterns shows an emergence of grating lobe whose size and level increases with the increase ...
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Clubs-Shaped Antenna with Reconfigurable Radiation Pattern for Wideband Wireless Applications
... reconfigurable radiation pattern is ...three pattern modes: one monopole mode with a bandwidth of ...steady radiation across working ...
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Radiation Pattern Retrieval in Non-Anechoic Chambers Using the Matrix Pencil Algorithm
... the radiation pattern of different antennas measured in three semi-anechoic scenarios at different working bands using low directive probes, and some results are presented in this ...
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Introducing of parasitic elements to short backfire antenna for radiation pattern improvement
... Bandwidth can be said as the frequencies on both the sides of the center frequency in which the characteristics of antenna such as the input impedance, polarization, beamwidth, radiation pattern etc. are ...
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REDUCING FM BROADCAST ENERGY CONSUMPTION USING DIRECTIONAL RADIATION PATTERN
... certain radiation pattern as practiced by antenna ...the radiation patterns presented, there are no sidelobes and pattern nulls produced that pose adverse effects on the reception of the ...
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Validation of the radiation pattern of the Middle Atmosphere Alomar Radar System (MAARSY)
... ation pattern convolved with a global sky model of cosmic noise emissions which is composed of eleven most accurate sky noise ...simulated radiation pattern including the beam width used in these ...
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Comparison of the Radiation Pattern of Fractal and Conventional Linear Array Antenna
... Abstract—The purpose of this paper is to introduce the concept of fractals and its use in antenna arrays for obtaining multiband property. One type of fractals namely, Cantor set is investigated. Cantor set is used in ...
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Validation of the radiation pattern of the VHF MST radar MAARSY by scattering off a sounding rocket’s payload
... Abstract. The Middle Atmosphere Alomar Radar System (MAARSY) is a monostatic radar with an active phased ar- ray antenna designed for studies of phenomena in the meso- sphere and lower thermosphere. Its design, in ...
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Hemispherical DRA Antennas Mounted on or Embedded in Circular Cylindrical Surface forProducing Omnidirectional Radiation Pattern
... In this paper, the performance of the hemispherical DRA array elements mounted on or embedded in circular cylindrical ground plane for producing omnidirectional radiation pattern, which operates at about ...
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Near-field radiation pattern distortion of antenna attached to wall in through-the-wall radar imaging
... tenna is directly in front of the gap. Assumptions based on Fig. 9 and the highly sensitive transmission depending on ge- ometry and frequency would require the radiation pattern to be similarly turbulent. ...
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A Design And Development Of Antenna Rotational Table System For Radiation Pattern Test For Small Size Antenna
... The antenna rotational table system contains of a hardware which is a controller circuit and a programming, a set of program to be use together with the circuit. There are a few types of motor that serve a rotational ...
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Resonant Length Calculation and Radiation Pattern Synthesis of Longitudinal Slot Antenna in Rectangular Waveguide
... For design of slotted waveguide array the resonant length must be known very accurately. In the present work attention has been paid to evaluate the electrical characteristic in a rectangular waveguide. The relation ...
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New experiments to validate the radiation pattern of the Middle Atmosphere Alomar Radar System (MAARSY)
... actual radiation pattern is crucial to configure and analyze experiments carried out with the ...simulated radiation pattern is evaluated by the observation of cosmic radio emissions which are ...
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THREE DIMENSIONAL RADIATION PATTERN AND ITS IMPLICATIONS TOWARDS RADIO TELESCOPE ANTENNA
... of radiation, even if we take a lobe we find that the power radiated by the lobe at different angles within the lobe is not ...practical radiation pattern of the type shown in ...fictitious ...
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Phase Compensation of Composite Material Radomes Based on the Radiation Pattern
... One of the main reasons of radiation pattern distortion is the change of phase difference caused by radome. In order to mitigate the phase difference, some novel approaches and materials have been proposed. ...
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On the Radiation Pattern of the L-Shaped Wire Antenna
... in radiation pattern terms, since under these situations the patch direction component is stronger than the monopole direction ...specific radiation pattern, avoiding the well-known trial and ...
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