[天线]65 Analysis of One Wide-Band and High Gain Patch Microstrip Antenna Using the FDTD Method

Analysis of One Wide-Band and High Gain Patch Microstrip Antenna Using the FDTD Method I
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J. Xia, S. H. Tan, K. Arichandran f4tia.  
School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, :cC`w
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Singapore 639798; e-mail: EJXIA@ntu.edu.sg ?,%N?  
Recei¨ed 29 December 1998; re¨ised 21 August 1999 P{>T?-Hj  
ABSTRACT: We present results of a recent investigation into a wide-band and high gain V;:A&  
patch microstrip antenna using the finite-difference time-domain(FDTD)method. The pu>LC6m3a  
substrate–superstrate resonance technique was used to increase the antenna element gain. $(CHwG-  
An aperture-coupled rectangular patch microstrip antenna with two superstrate layers was UVI=&y]c,p  
designed, and the effect of the finite ground plane on the gain of the antenna element was q0c)pxD%
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analyzed. The antenna was fabricated and tested. The measured results are presented in ;F0A\5I  
comparison with the simulated ones. Q 1999 John Wiley & Sons, Inc. .. }+=@Ci  
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