Broadband Quasi-Taper Helical Antennas.
Final rept. Jul-Sep 74,
AEROSPACE CORP EL SEGUNDO CA IVAN A GETTING LABS
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A unique approach is described for widening the bandwidth of a helical antenna with improved gain, pattern, and axial ratio characteristics. The antenna may be described as a non-uniform or quasi-taper helix, which consists of a combination of uniform and tapered helix sections. Measured patterns, gain, axial ratio, and VSWR for various helical antenna configurations are presented and compared. It is shown that a non-uniform, quasi-taper helix can provide an operating bandwidth twice that of a conventional uniform-diameter helix. Author
- Electrical and Electronic Equipment
- Radiofrequency Wave Propagation