[天线]EXPERIMENTAL RESULTS OF COMPACT

Due to its low profile, the microstrip antenna has found many applications DX|# gUAm  
in personal communication systems. And, owing to the miniaturization of Zg.&V  
the communication equipments, the design for reducing the size of the c[ ]4n  
microstrip antenna has received much attention. One of the effective ways QMpoa5ZQG  
to reduce the patch size of the microstrip antenna is to introduce a shorting ^) s2$A:L  
pin at the edge of the patch [l]. Based on this technique, several novel 1&U>,;]*
 
designs of the compact microstrip antennas are described in this article. The cx0*X*  
antenna size can be reduced to less than 50% of the size of a conventional GbaEgA'fa  
microstrip antenna. By incorporating the meandering of the patch, the Dmu/RD5X:  
electrical length of the patch can be further increased [2]. Characteristics of N~xLu8,  
such compact microstrip antennas are experimentally studied. Com .. $81*^  
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