DocumentCode :
870618
Title :
Reflection Coefficient of E-Plane Tapered Waveguides
Author :
Matsumaru, Katsu
Volume :
6
Issue :
2
fYear :
1958
fDate :
4/1/1958 12:00:00 AM
Firstpage :
143
Lastpage :
149
Abstract :
This paper treats the reflection of linearly and sinusoidally tapered waveguides. In the first part, reflection coefficients of linearly tapered waveguides for dominant modes are calculated. Graphs of the vswr of tapers for different impedance ratios are plotted showing that the vswr does not go to unity at multiples of a half wavelength. In the second part, reflection coefficients of sinusoidally tapered waveguides are calculated. Experimental data verify the theory for both kinds of tapers of various lengths at 4 kmc band. Linear tapers perform almost as well as exponential tapers, and better than shorter hyperbolic tapers. The reflection coefficients of sinusoidal tapers can be about half as small as that of the linear tapers, and these tapers compare favorably with the Dolph-Tchebycheff and the Willis taper of improved design.
Keywords :
Bibliographies; Books; Distributed parameter circuits; Filtering theory; Impedance; Microwave filters; Reflection; Surges; Transmission line theory; Waveguide components;
fLanguage :
English
Journal_Title :
Microwave Theory and Techniques, IRE Transactions on
Publisher :
ieee
ISSN :
0097-2002
Type :
jour
DOI :
10.1109/TMTT.1958.1124529
Filename :
1124529
Link To Document :
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