Loss of Post-Wall Waveguides and Efficiency Estimation of Parallel-Plate Slot Arrays Fed by the Post-Wall Waveguide in the Millimeter-Wave Band
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概要
- 論文の詳細を見る
This paper presents the loss factors in the post-wall waveguide-fed parallel-plate slot array antenna in the millimeter-wave band. At first, transmission loss is evaluated per unit length by measuring the losses of post-wall waveguides on various substrates with different thicknesses in different bands. Measured results of the frequency dependence agree with theoretical predictions using the effective conductivity and the complex permittivity obtained by the whispering gallery mode resonator method. Then the authors evaluate the antennas with various sizes at 76.5GHz. The antenna efficiency is evaluated by taking into account the loss factors related to: the transmission loss both in the feed and the parallel plate waveguides, the aperture efficiency and the insertion loss and the reflection of the transition. Also, the loss due to the locally-perturbed currents by the slot radiation is evaluated. The sum of the losses in the prediction quantitatively agrees with the measurement.
- 2011-03-01
著者
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Huong Tran
Dept. Of Electrical And Electronic Eng. Tokyo Institute Of Technology
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HASHIMOTO Koh
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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HIROKAWA Jiro
Tokyo Institute of Technology
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Tran Thi
Department Of Veterinary Medicine College Of Agriculture And Applied Biology Campus Ii Cantho Univer
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Hashimoto Koh
Department Of Complexity Science And Engineering The Graduate School Of Frontier Scierces University
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She Yuanfeng
Dept. Of Electrical And Electronic Eng. Tokyo Institute Of Technology
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Hirokawa J
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ando M
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ando Makoto
The Authors Are With The Department Of Electrical And Electronic Engineering Tokyo Institute Of Tech
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Hirokawa Jiro
Department Of Electrical & Electronic Engineering Faculty Of Engineering Tokyo Institute Of Tech
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Ando M
Tokyo Institute Of Technology
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Hirokawa Jiro
Department Of Electrical & Electronic Engineering Tokyo Institute Of Technology
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Hirokawa Jiro
Dept. Of Electrical And Electronic Eng. Graduate School Of Science And Engineering Tokyo Institute O
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Ando Makoto
Department Of Cardiovascular Surgery The Sakakibara Heart Institute
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SHE Yuanfeng
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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She Yuanfeng
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ando Makoto
Department Of Cardiovascular Surgery Sakakibara Heart Institute
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Ando Makoto
Faculty Of Engineering Tokyo Institute Of Technology
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Tran Thi
Department Of Nutrition School Of Medicine The University Of Tokushima
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Ando Makoto
Dept. Of Electrical And Electronic Eng. Graduate School Of Science And Engineering Tokyo Institute O
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Ando Makoto
Department Of Applied Physics Faculty Of Engineering Tokyo University Of Agriculture And Technology
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SHE Yuanfeng
Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology
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