Propagation and radiation characteristics of a multimode corrugated waveguide feedhorn
Abstract
A prototype of the multimode corrugated feedhorn which will be used in the 400 kW CW Ka-band radar system is described. A rough design is done using coupled mode theory and standard corrugated waveguide modes. A more exact analysis using mode matching techniques is then used which takes into account the effect of a finite number of corrugations per wavelength and determines the modes which are reflected from the device. A prototype feedhorn has been constructed and measured. These experimental results are then compared to the theoretical predictions which agree satisfactorily closely.
- Publication:
-
The Telecommun. and Data Acquisition Progr. Rept.
- Pub Date:
- August 1985
- Bibcode:
- 1985tdar.rept...57H
- Keywords:
-
- Extremely High Frequencies;
- Horn Antennas;
- Radar Transmission;
- Wave Propagation;
- Waveguides;
- Design Analysis;
- Predictions;
- Prototypes;
- Communications and Radar