A radial line slot antenna for an elliptical beam

RADIAL LINE SLOT ANTENNAS FED BY A ... - 東京農工大学 RADIAL LINE SLOT ANTENNAS FED BY A RECTANGULAR WAVEGUIDE THROUGH A CROSSED SLOT Kaoru SUDO∗, Takuichi HIRANO, Jiro HIROKAWA, and Makoto ANDO Department of Electrical and Electronic Engineering, Tokyo Institute of Technology 2-12-1, O-okayama, Meguro-ku, Tokyo, 152-8552, Japan E-mail: ksudo@antenna.ee.titech.ac.jp 1 Introduction A Reconfigurable Radial Line Slot Array (RLSA) Antenna for ...

A Beam Steering Radial Line Slot Array (RLSA) Antenna with ... A beam steering radial line slot array (RLSA) antenna with reconfigurable operating frequency is proposed in t | Mohd Faizal Jamlos, Omar Abdul Aziz, Tharek Abdul | Journal of Electromagnetic Waves and Applications | Design Method, Analysis and Prototypes of Radial Line Slot ... II. Radial Line Slot Antenna Structure Figure 1 shows the structure of the antenna. A Radial Line Slot Antenna is formed by a parallel plate structure, whose height is less than half a wavelength to avoid the propagation of upper modes. A radial TEM mode is generated through a coaxial probe (or several probes). beam antenna | eBay

RADIAL LINE SLOT ANTENNAS FED BY A - 東京農工大学

A radial line slot antenna (RLSA) with a quasi-elliptical aperture to create an elliptical beam is discussed in this paper. A simple feeding structure consisting of a coaxial feeder and two parasitic pins is designed to produce the feed pattern required for uniform illumination over the aperture. Radial Line Slot Antennas The radial line slot antenna (RLSA) is a paral-lel plate slot antenna, which was proposed as a pencil beam antenna for DBS reception in 12 GHz bandFigure 2 shows a full wave analysis model of the slot array for the numerical design (a) as well as the slot parameters (b) [6]. A radial waveguide is... A Coaxial Feeder with Two Pairs of Parasitic Pins... - Semantic… A Radial Line Slot Antenna for an Elliptical Beam.Large Depth of Field Pseudo-Bessel Beam Generation With a RLSA Antenna. Radial Line Slot Antennas | SpringerLink

A radial line slot antenna (RLSA) with a quasi-elliptical aperture to create an elliptical beam is discussed in this paper. A simple feeding structure consisting of a coaxial feeder and two parasitic pins is designed to produce the feed pattern required for uniform illumination over the aperture. ...

Design and Implementation of RSLA Antenna for Mobile DBS ... Conclusions • A SOTM (satellite on the move) DBS receiver has been designed and implemented successfully based on Radial Line Slot Array (RLSA) antenna which operates at Ku band. • This RLSA antenna has eight concentric array slot pairs to achieve conical beam, better gain and wider frequency bandwith compared to Makoto Ando model. RADIAL LINE SLOT ARRAY (RLSA) ANTENNA DESIGN FOR POINT TO ... design and develop antenna with aesthetic, low cost, high performance, durable and flat antenna that could be utilized in point to point microwave link. The development of linearly polarized radial line slot antenna (RLSA) with experimental performance is presented. The method is beam squinted design. The prototype development processes

Khan, 2011)) are being considered. At millimeter wave band, microstrip antenna design becomes challenging and to date little is known about antenna design at millimeter wave for cellular or mobile communication (Chen & Zhang, 2013). Radial Line Slot Array (RLSA) antenna with its starling characteristic of high gain, low cost,

M.F. Jamlos, O.A. Aziz, T.A. Rahman, M.R. Kamarudin support layers on the performance of an elliptical shaped and P. Saad, “Reconfigurable Radial Line Slot Array microstrip patch antenna with random and unsymmetrical slots (RLSA) Antenna for Beam Shape And Broad-Side are presented in this paper. A reconfigurable radial line slot array (RLSA) antenna for ... A reconfigurable beam shape and broadside radiation pattern microstrip antenna is introduced in this paper. The antenna's radiating surface is designed using a radial line slot array (RLSA) arrangement, which is fed from an aperture coupled structure. Radial Line Slot Antenna Simulation - YouTube

beam antenna | eBay

A radial line slot array antenna has a slotted conductor plate in which a plurality of slots are formed and arranged in a spiral. The plurality of slots are arranged in the slotted conductor plate such that the arrangement distance in a radial direction between the slots varies gradually between a first portion determined based on a first frequency and a second portion determined based on a ... Design of Non-uniform Aperture Illumination RLSA and Its ... Design of Non-uniform Aperture Illumination RLSA and Its Applications in mm-Waves Tung Nguyen, Jiro Hirokawa, Makoto Ando Dept. of Electrical Electronic Engineering Tokyo Institute of Technology Meguro-ku, Tokyo, 152-8552 Japan tungnguyen@antenna.ee.titech.ac.jp Abstract —This paper discusses a design of Radial Line Slot US8872714B2 - Wide beam antenna - Google Patents A wide beam radio frequency (RF) antenna includes a waveguide and one or more electrically conductive protrusions. The waveguide has at least one electrically conductive interior wall surface, a boresight defined by a longitudinal axis, and an aperture plane, transverse to the longitudinal axis, disposed at a distal end of the waveguide.

A Modified Elliptical Slot Ultra Wide Band Antenna - PDF Keywords: Elliptical Slot Antenna, microstrip feed line, Ultra-wideband (UWB), Wireless Communications. 1. INTRODUCTION Recently, due to the miniaturization of the personal communication devices, the need of compact antennas has become a necessity. Low-cost monopulse radial line slot antenna - IEEE…