학술논문

A close-packed dielectric-loaded horn array for 60 GHz
Document Type
Conference
Source
APMC 2001. 2001 Asia-Pacific Microwave Conference (Cat. No.01TH8577) Asia Pacific microwave conference Microwave Conference, 2001. APMC 2001. 2001 Asia-Pacific. 3:1362-1365 vol.3 2001
Subject
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Aerospace
Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Rectangular waveguides
Apertures
Waveguide transitions
Waveguide components
Polarization
Radar applications
Dielectric constant
Dielectric measurements
Antenna radiation patterns
Radar antennas
Language
Abstract
The design of an 8-element vertically polarised array for a 60 GHz radar application is described. The array consists of 10 E-plane step horns that are dielectric loaded to allow an element spacing of half wavelength. These horns are connected to 8 inputs (the end elements of the array are parasitic) by waveguide runs that include transitions from a dielectric-filled square waveguide to a standard air-filled WR-15 rectangular waveguide. This array has been fabricated and results obtained from measuring the radiation patterns, return loss and horn cross coupling are outlined.