Please use this identifier to cite or link to this item: https://doi.org/10.1109/19.50441
Title: Improvements in design of six-port reflectometer comprising symmetrical five-port waveguide junction and directional coupler
Authors: Yeo, S.P. 
Lee, K.H. 
Issue Date: Feb-1990
Citation: Yeo, S.P., Lee, K.H. (1990-02). Improvements in design of six-port reflectometer comprising symmetrical five-port waveguide junction and directional coupler. IEEE Transactions on Instrumentation and Measurement 39 (1) : 184-188. ScholarBank@NUS Repository. https://doi.org/10.1109/19.50441
Abstract: A six-port reflectometer that comprises a symmetrical five-port waveguide junction and a directional coupler is discussed. Computer models of the waveguide junction by itself and as part of a six-port setup are used to improve the design of the reflectometer. Two types of improvements were effected: the waveguide junction structure was redesigned to improve its overall residual mismatch; and the interconnections among the constituent components were rearranged to alter the way the reflected waves from the various components combine in the power-detection arms. The combination of these two schemes yielded a six-port reflectometer that has a well-spaced qk distribution over the entire waveguide bandwidth.
Source Title: IEEE Transactions on Instrumentation and Measurement
URI: http://scholarbank.nus.edu.sg/handle/10635/80586
ISSN: 00189456
DOI: 10.1109/19.50441
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