Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas

碩士 === 國立臺灣大學 === 電信工程學研究所 === 100 === A novel design for pattern reconfigurable antenna, which uses pin diodes to control the pattern in the front or back side direction, is proposed. Focusing the radiation pattern to the front or back side can effectively increase the directivity of the anten...

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Main Authors: Min-Hao Hsu, 許閔豪
Other Authors: 許博文
Format: Others
Language:en_US
Published: 2012
Online Access:http://ndltd.ncl.edu.tw/handle/48857850619016922118
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spelling ndltd-TW-100NTU054350402015-10-13T21:50:16Z http://ndltd.ncl.edu.tw/handle/48857850619016922118 Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas 可調輻射場型之基板合成共振腔槽孔天線 Min-Hao Hsu 許閔豪 碩士 國立臺灣大學 電信工程學研究所 100 A novel design for pattern reconfigurable antenna, which uses pin diodes to control the pattern in the front or back side direction, is proposed. Focusing the radiation pattern to the front or back side can effectively increase the directivity of the antenna, and the transceiver signal from the front or back can also take advantage of the diode switching on or off effectively, which is easy to implement. This design can effectively reduce the large number of antennas used for RFID application in the detection conveyor belts. Thus it can not only reduce the space occupied, but also reduce the cost. The proposed pattern reconfigurable antenna is a slotted substrate integrated cavity antenna, in which lots of vias are used to form the dominant TE101 mode. To reduce the number of vias, L-shaped slotted substrate integrated cavity antenna operating its dominant TE (0.5, 0, 0.5) mode is also proposed. Moreover, the use of the L-shaped slot as a boundary condition not only can effectively reduce the number of vias but also can maintain the antenna gain and radiation efficiency. The operating mechanism and the detailed pattern reconfigurable antenna design are discussed in this thesis. Experimental and simulation results are presented to confirm the feasibility of the antenna design. 許博文 2012 學位論文 ; thesis 89 en_US
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language en_US
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description 碩士 === 國立臺灣大學 === 電信工程學研究所 === 100 === A novel design for pattern reconfigurable antenna, which uses pin diodes to control the pattern in the front or back side direction, is proposed. Focusing the radiation pattern to the front or back side can effectively increase the directivity of the antenna, and the transceiver signal from the front or back can also take advantage of the diode switching on or off effectively, which is easy to implement. This design can effectively reduce the large number of antennas used for RFID application in the detection conveyor belts. Thus it can not only reduce the space occupied, but also reduce the cost. The proposed pattern reconfigurable antenna is a slotted substrate integrated cavity antenna, in which lots of vias are used to form the dominant TE101 mode. To reduce the number of vias, L-shaped slotted substrate integrated cavity antenna operating its dominant TE (0.5, 0, 0.5) mode is also proposed. Moreover, the use of the L-shaped slot as a boundary condition not only can effectively reduce the number of vias but also can maintain the antenna gain and radiation efficiency. The operating mechanism and the detailed pattern reconfigurable antenna design are discussed in this thesis. Experimental and simulation results are presented to confirm the feasibility of the antenna design.
author2 許博文
author_facet 許博文
Min-Hao Hsu
許閔豪
author Min-Hao Hsu
許閔豪
spellingShingle Min-Hao Hsu
許閔豪
Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
author_sort Min-Hao Hsu
title Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
title_short Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
title_full Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
title_fullStr Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
title_full_unstemmed Pattern Reconfigurable Slotted Substrate Integrated Cavity Antennas
title_sort pattern reconfigurable slotted substrate integrated cavity antennas
publishDate 2012
url http://ndltd.ncl.edu.tw/handle/48857850619016922118
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