Performance of a rectangular-waveguide-excited short backfire antenna employing a conical main reflector
Abstract
The letter presents experimental results at X-band for a short backfire antenna employing a conical reflector, which is excited by a rectangular waveguide. It is shown that the use of a conical main reflector can lead to a compact antenna having a directive gain of 16.7-18.3 dB, sidelobe level below 13.8 dB and input VSWR better than 2.5 over a 20 percent bandwidth from 9-11 GHz.
- Publication:
-
Electronics Letters
- Pub Date:
- August 1984
- DOI:
- 10.1049/el:19840512
- Bibcode:
- 1984ElL....20..749L
- Keywords:
-
- Antenna Radiation Patterns;
- Backfire Antennas;
- Conical Bodies;
- Rectangular Waveguides;
- Reflectors;
- Waveguide Antennas;
- Antenna Design;
- Backfire;
- Microwave Antennas;
- Power Gain;
- Standing Wave Ratios;
- Superhigh Frequencies;
- Communications and Radar