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Toplam kayıt 50, listelenen: 21-30
Null Control in Linear Antenna Arrays with Ensemble Differential Evolution
(IEEE, 2013)
This paper describes a synthesis method for null insertion in linear antenna array geometries by using newly proposed ensemble differential evolution (DE) algorithm. The given ensemble DE algorithm uses the advantages of ...
Compact Planar Folded Monopole Antenna with Coupling Mechanism for Quad ISM Band, GNSS and UMTS Applications
(IEEE, 2018)
This study presents a compact meandered type monopole antenna improved with coupling mechanisms to increase the number of allocated frequency bands in consideration. The proposed antenna includes a meandered (folded) ...
Size-Reduced Printed Log Periodic Dipole Antenna with Single First Order Semi-Circle Iteration and Feed Point Patches
(IEEE, 2017)
This paper presents the miniaturization and improvement of a printed log periodic dipole antenna (LPDA) by using patches at the feeding point and single first order semicircles. After the design of a conventional printed ...
Multi-band Frequency Tunable LTE Antenna for Mobile Phone Applications
(IEEE, 2017)
The progress shown in mobile phone technology in dealing with multiple band transmission and high data transmission rates has been followed by an increased demand in favor of rich content mobile services and new functionalities. ...
Compact Printed Log Periodic Dipole Antenna with Second Order Semi-Circle Iteration
(IEEE, 2017)
In this study, a size-reduced Log Periodic Dipole Antenna (LPDA) with second order semi-circle iteration is presented. Second order semi-circles are added to the dipole arms, which results in lateral size reduction of 23% ...
A Dual Circularly Polarized Omnidirectional Receiver Antenna for Satellite Communication
(IEEE, 2017)
This study describes about an omnidirectional antenna for satellite communication applications possessing dual circular polarization at almost over the full azimuth plane and wide elevation plane. The antenna does not use ...
A Numerical Parametric Study of SAR from a Dual-Band PIFA Based Antenna for Mobile Communication
(IEEE, 2017)
Specific Absorption Rate (SAR) analysis is a vital part of compliance tests for commercial mobile phones performed in accordance with the set of comprehensive standardized practices provided by authoritative bodies. ...
Evaluation of Waveform Structure Features on Time Domain Target Recognition under Cross Polarization
(IOP PUBLISHING LTD, 2016)
Classification of aircraft targets from scattered electromagnetic waves is a challenging application, which suffers from aspect angle dependency. In order to eliminate the adverse effects of aspect angle, various strategies ...
Omnidirectional and Circularly Polarized Waveguide Circular Slot Antenna Array for Satellite Communication
(IEEE, 2016)
In this paper, the design of omnidirectional and circularly polarized antennas, which can be used in satellite communication, is explained. These antennas consist of circular slotted array placed symmetrically on a cylindrical ...
Circularly Polarized Hemispherical Antennas for Telemetry and Telecommand Applications in Satellite Communication
(IEEE, 2016)
This study describes about Ku-band antennas with circular polarization in hemispherical radiation pattern for telemetry and telecommand applications of satellite communication. The first section of antenna contains a septum ...