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From the Characteristic Modes Analysis to the Design of a Radiation Pattern Reconfigurable Antenna

机译:从特征模式分析到辐射方向图可重构天线的设计

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A reconfigurable radiation pattern antenna is proposed. Preliminary investigations are performed with the characteristic modes analysis to understand the physical behavior of the antenna. The presented antenna has the ability to switch from a directional beam to a bidirectional pattern by turning PIN diodes from ON to OFF state. A varactor diode is placed at the top plate to adjust the frequency and match the impedance. A prototype has been designed, fabricated, and measured. Results show good radiation pattern agreement on XZ plane, S11 parameter of the antenna is below -10 dB in the common band from 5.45 to 5.55 GHz.
机译:提出了一种可重构辐射方向图天线。通过特征模式分析进行了初步研究,以了解天线的物理行为。所展示的天线具有通过将PIN二极管从ON切换为OFF的状态,从定向波束切换为双向模式的能力。变容二极管放置在顶板上,以调节频率并匹配阻抗。已经设计,制造和测量了原型。结果表明,在XZ平面上辐射方向图一致性好,在5.45至5.55 GHz的公共频带中,天线的S11参数低于-10 dB。

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