GPS应用的菱形开槽五边形贴片天线

2018 IEEE Indian Conference on Antennas and Propogation (InCAP) Pub Date : 2018-12-01 DOI:10.1109/INCAP.2018.8770830

N. Darimireddy, Reddy R. Ramana, N. Rajasekhar, P. Srinivasarao

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引用次数: 5

摘要

提出了一种具有5个非对称菱形槽的圆极化五边形微带贴片天线，用于全球定位系统。在cp辐射用五边形微带辐射器的四角处刻蚀出五个不等(不对称)菱形槽。在1.575 GHz时，所提出的开槽五角形补丁的总体尺寸为0.373\boldsymbol{\lambda}_{\mathbf{o}}}乘以0.373\boldsymbol{\lambda}_{\mathbf{o}}\乘以0.008\boldsymbol{\lambda}_{\mathbf{o}}$。该五边形微带天线的3dB轴比(AR)带宽为30 MHz(1.53 ~ 1.56 GHz)， 10db回波损耗(RL)带宽为60MHz(1.53 ~ 1.59 GHz)，增益大于3.8dBic。用网络分析仪对S11进行了测量，实际结果与仿真结果吻合较好。

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Rhombic Slotted Pentagonal Patch Antenna for GPS Applications

Circularly-Polarized (CP) pentagonal micro-strip patch antenna with five asymmetric rhombic slots is proposed for global-positioning system applications. Five unequal (asymmetric) rhombic-slots are etched at the corners of the pentagonal micro-strip radiator for CP-radiation. The overall size of the proposed slotted pentagonal patch is $0.373\boldsymbol{\lambda}_{\mathbf{o}}\times 0.373\boldsymbol{\lambda}_{\mathbf{o}}\times 0.008\boldsymbol{\lambda}_{\mathbf{o}}$ at 1.575 GHz. The simulated 3dB axial-ratio (AR) band-width of the proposed pentagonal micro-strip antenna is 30 MHz (1.53-1.56 GHz) and10dB Return Loss (RL) band-width is 60MHz(1.53- 1.59 GHz) with a gain of more than 3.8dBic. The S11 is measured with a network analyzer and the practical results are in close-agreement with the simulated.

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来源期刊

2018 IEEE Indian Conference on Antennas and Propogation (InCAP)

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