FD-TD Analysis of Coaxial Probes Inserted into Rectangular Waveguides (Special Issue on Computational Electromagnetics)
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概要
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Full-wave FD-TD analysis has been carried out for coaxial probes inserted into waveguides. Both single and symmetrically placed paired coaxial probe structures have been discussed and we have revealed the relation between equivalent circuit parameters and structural parameters of the coaxial probes including cases for large diameter and extension length, which is usuful for practical waveguide circuit design. The equivalent circuit parameters calculated from the scattering parameters agreed well with corresponding measured data. From the calculated field in a waveguide, field concentration at sharp edges of probe sole or base, which ought to be taken into account for high power application design has been also discussed. Besides, amplitudes of higher order modes in waveguides excited by coaxial probes or pairs of coaxial probes has been calculated so as to estimate the range beyond which higher order modes decay sufficiently. This estimation is necessary for simple and easy design of probe using circuit theory.
- 1998-12-25
著者
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Yamane Kuniyoshi
Faculty Of Computer Science And System Engineering Okayama Prefectural University
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Yamane Kuniyoshi
The Faculty Of Computer Science And System Engineering Okayama Prefectural University
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SANADA Atsushi
Dept. of Electrical and Electronic Eng., Yamaguchi University
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Sanada A
Dept. Of Electrical And Electronic Eng. Yamaguchi University
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Sanada Atsushi
The Faculty Of Computer Science And System Engineering Okayama Prefectural University
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SANAGI Minoru
the Faculty of Engineering, Okayama University
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Nogi Shigeji
The Faculty Of Engineering Okayama University
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Sanagi Minoru
The Faculty Of Engineering Okayama University
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