较先进的作法是采四臂螺旋天线(Quadrifilar Helix Antenna),它拥有全面向360度的接收能力,使天线在任何方向都有3dB的增益。
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A miniaturized dielectric-loaded quadrifilar helix antenna is designed, with the size ofΦ17.8mm×H10mm and high permittivity(εr = 38) dielectric infilled.
设计了一种尺寸为Φ10mm×H17.8mm、采用εr=38的微波陶瓷介质填充的小型化介质加载四臂螺旋天线。
参考来源 - 全球定位系统中的小型介质加载四臂螺旋天线·2,447,543篇论文数据,部分数据来源于NoteExpress
一种是采用两个高次模天线分别实现中频和高频性能要求,而采用简单的四臂螺旋天线实现低频要求。
One is composed of two high-order mode microstrip antennas and a simple four-arm spiral antenna, which could satisfy with different radiation demands of transmitter and receiver.
论文的第二个研究工作是以超宽带圆极化平面天线为研究背景,设计了一个双模四臂平面螺旋天线。
The second research of the thesis is to design a double-patterns four-arm plane spiral antenna with the background of wideband circular polarization plane antenna's technology.
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