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A resistively loaded, printed circuit, electrically short dipole element for wideband array applications

机译:电阻加载的印刷电路电短偶极子元件,用于宽带阵列应用

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The author describes a resistively loaded triangular dipole design which is only 0.30 wavelengths long, yet exhibits a VSWR (voltage standing wave ratio) of better than 2.0:1 when mounted in front of the backplane. This improvement in VSWR is at the expense of only a 3 dB decrease in element efficiency. The decrease in efficiency can be directly controlled by the value of the resistive loading. The element has been implemented in a printed circuit array fed by tapered line baluns operating over a 4:1 frequency band. Measured input impedance data vs. loading value is presented, as well as the radiation pattern variation over the band.
机译:作者描述了一种电阻加载的三角形偶极设计,其仅为0.30波长长,但是当安装在背板前面时,尚未比2.0:1更好的VSWR(电压驻波比)。 VSWR的这种改进是以3 dB的元素效率降低的代价。效率的降低可以通过电阻载荷的值直接控制。该元件已经在由通过4:1频带操作的锥形线平衡线馈送的印刷电路阵列中实现。提出了测量的输入阻抗数据与加载值,以及频带上的辐射图案变化。

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