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The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK)

Kunming,China,9.12-9.17，2010

ISBN: 978-1-935068-21-1 Scientific Research Publishing, USA

E-Book 350pp Pub. Date: September 2010

Category: Computer Science & Communications

Price: $80

Title: An Adapt Environmental Change Patch Antenna Design
Source: The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK) (pp 203-207)
Author(s): Chun-Chi Su, Telecom Technology Centre , Kaohsiung Taiwan
Yeong-Her Wang, National Cheng Kung University , Tainan Taiwan
Abstract: The influence of patch antenna operating frequency offset by temperature, humidity and rain by using electromagnetic simulation software and the experimental data based on the analysis of environmental factors impact the adjusting impedance can make the antenna to adapt to the environment of adjust-able impedance matching circuit, adjust the capacitance value timely, and enhance the antenna efficiency by reaching the best of the antenna radiation effects. This study confirmed that the design of antenna matching circuit can solve and improve the environmental impact of the antenna matching. Even if the antenna is almost covered with water and the frequency offset is reaching 50 MHz, S11 is still less than -10dB and displays good output matching through adjusting impedance matching,.
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