A. Tiwari, B. Sharma, D. Bhatnagar, Vijay Sharma, K. Sharma, S. Chakrabarti
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引用次数: 4
摘要
本文报道了一种改进地平面的圆形微带贴片天线的设计和性能。采用CST Microwave Studio模拟器对外形尺寸为22 mm × 36 mm × 1.59 mm的天线进行了仿真，并采用四分之一波线馈电。该天线的阻抗带宽为3.00 GHz (2.40GHz - 5.40GHz)，在所需频率范围内具有平坦增益(接近3dBi)。在3.5GHz频率下模拟的E面辐射方向图几乎是全向的，而h面辐射方向图与偶极子天线的辐射方向图相似。这两种模式都指向补丁几何的法线。这种天线在现代无线通信系统中可能被证明是有用的。
Design of compact wideband key-slotted circular microstrip patch antenna with modified ground plane
Paper reports the design and performance of a modified circular microstrip patch antenna with modified ground plane. Proposed antenna with overall dimensions 22 mm × 36 mm × 1.59 mm is simulated by applying CST Microwave Studio simulator and fed through a quarter wave line. This antenna has an impedance bandwidth of 3.00 GHz (2.40GHz - 5.40GHz) with flat gain (close to 3dBi) in the desired frequency range. The E plane radiation patterns simulated at frequency 3.5GHz are almost omni directional while H-plane patterns resembles with that of a dipole antenna. Both patterns are directed normal to patch geometry. This antenna may be proved useful in modern wireless communication systems.
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