A Frequency Multiplexing Patch Antenna Array for Space Selectable Microwave Heating

Space-selectable microwave heating is a new trend of customized heating at present and in the future. Controllable antenna array (CAA) can effectively achieve space-selectable heating, which has drawn wide attention. In this article, a novel CAA approach of frequency multiplexing patch antenna array...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2023-01, Vol.71 (1), p.393-401
Hauptverfasser: Li, Chennan, Lin, Xianqi, Yang, Xinmi, Wen, Zhang, Liang, Changsong
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creator Li, Chennan
Lin, Xianqi
Yang, Xinmi
Wen, Zhang
Liang, Changsong
description Space-selectable microwave heating is a new trend of customized heating at present and in the future. Controllable antenna array (CAA) can effectively achieve space-selectable heating, which has drawn wide attention. In this article, a novel CAA approach of frequency multiplexing patch antenna array (FMPA) is proposed, with which the constituted patch elements have totally different resonant frequencies and each patch element exclusively takes charge of the heating task for certain subarea of entire planar area under heating. An all-metal four-element FMPA is designed as an example. It is integrated with a metal chamber where the target heating area is enclosed. Simulation results verify that the proposed FMPA has the function of independent space-selectable heating. Then, a controllable microwave heating system is built for the subsequent heating experiment. The experiment shows that, after the corresponding patch element being activated, the coverage ratio of each target heating subarea is more than 90%, and the error ratio is less than 1.5%. The proposed CAA technique of the FMPA enjoys vast potential in customized heating applications that has higher requirements for resolution of the subareas under heating. Its advantages include low cost, low loss, and high space utilization rate.
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Controllable antenna array (CAA) can effectively achieve space-selectable heating, which has drawn wide attention. In this article, a novel CAA approach of frequency multiplexing patch antenna array (FMPA) is proposed, with which the constituted patch elements have totally different resonant frequencies and each patch element exclusively takes charge of the heating task for certain subarea of entire planar area under heating. An all-metal four-element FMPA is designed as an example. It is integrated with a metal chamber where the target heating area is enclosed. Simulation results verify that the proposed FMPA has the function of independent space-selectable heating. Then, a controllable microwave heating system is built for the subsequent heating experiment. The experiment shows that, after the corresponding patch element being activated, the coverage ratio of each target heating subarea is more than 90%, and the error ratio is less than 1.5%. The proposed CAA technique of the FMPA enjoys vast potential in customized heating applications that has higher requirements for resolution of the subareas under heating. Its advantages include low cost, low loss, and high space utilization rate.</description><identifier>ISSN: 0018-926X</identifier><identifier>EISSN: 1558-2221</identifier><identifier>DOI: 10.1109/TAP.2022.3187533</identifier><identifier>CODEN: IETPAK</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna arrays ; Antennas ; Controllability ; Controllable antenna array (CAA) ; Customization ; customized heating ; Electromagnetic heating ; Frequency division multiplexing ; frequency multiplexing patch antenna array ; Heating ; Impedance ; Microwave antenna arrays ; Microwave heating ; Multiplexing ; Patch antennas ; Resonant frequencies ; Resonant frequency ; Space heating</subject><ispartof>IEEE transactions on antennas and propagation, 2023-01, Vol.71 (1), p.393-401</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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subjects Antenna arrays
Antennas
Controllability
Controllable antenna array (CAA)
Customization
customized heating
Electromagnetic heating
Frequency division multiplexing
frequency multiplexing patch antenna array
Heating
Impedance
Microwave antenna arrays
Microwave heating
Multiplexing
Patch antennas
Resonant frequencies
Resonant frequency
Space heating
title A Frequency Multiplexing Patch Antenna Array for Space Selectable Microwave Heating
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