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J. Electromagn. Eng. Sci > Volume 12(1); 2012 > Article
Journal of the Korean Institute of Electromagnetic and Science 2012;12(1):122-127.
DOI: https://doi.org/10.5515/JKIEES.2012.12.1.122   
Extraction of S-Parameters for a Slot Unit on the Post-Wall Waveguide from Measured Data
Jae-Ho Lee, Jung-Yong Park
Radar Research Center at Samsung Thales
Post-wall waveguide structures have attracted a great deal of attention for micro- and millimeter-wave applications. One of the waveguide’s applications is a slotted waveguide array. In order to design the slotted array, the characteristics of a slot unit alone on the post-wall waveguide should be investigated. In this paper, a method for extracting the S-parameters of a unit slot is proposed. This simple method requires only two kinds of waveguides: waveguides without a slot unit and waveguides with a slot unit. Three kinds of slot units are fabricated, and the extracted results show a high level of agreement with predicted (simulated) results. With this method, the equivalent slot length can also be found.
Key words: Post-Wall Waveguide, SIW (Substrate Integrated Waveguide), Slot Antenna, De-Embedding Method, S-Parameters Extraction Method
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