一種應(yīng)用于雷達(dá)天線罩的新型極化變換器
發(fā)布時間:2018-10-15 09:41
【摘要】:本文研究了一種工作在Ku和K波段應(yīng)用于雷達(dá)天線罩的圓極化變換器,線-圓極化變換器通過在天線輻射前方添加多層極化變換層,可使天線輻射的線極化波轉(zhuǎn)換為圓極化波,由此可實現(xiàn)雷達(dá)發(fā)射圓極化電磁波的目的.極化變換層工作原理是對入射電磁波的平行分量滯后垂直分量超前從而實現(xiàn)圓極化,其主要通過把印刷電路板上的金屬層腐蝕成金屬柵格線.與傳統(tǒng)線-圓極化變換器相比,新型線-圓極化變換器能有效實現(xiàn)小型化,在軍事上擁有實際應(yīng)用價值.
[Abstract]:In this paper, a circular polarization converter used in Ku and K-band radome is studied. By adding multi-layer polarization transform layer in front of antenna radiation, the linear polarization wave of antenna radiation can be converted into circular polarization wave. Thus the aim of radar transmitting circular polarization electromagnetic wave can be realized. The principle of polarization transformation layer is to advance the parallel component of the incident electromagnetic wave and realize the circular polarization, which is mainly by etching the metal layer on the printed circuit board into a metal grid line. Compared with the traditional wire-circular polarization converter, the new wire-circle polarization converter can realize miniaturization effectively and has practical application value in military.
【作者單位】: 西安電子科技大學(xué)電子工程學(xué)院;
【分類號】:TN957.2;TN624
本文編號:2272135
[Abstract]:In this paper, a circular polarization converter used in Ku and K-band radome is studied. By adding multi-layer polarization transform layer in front of antenna radiation, the linear polarization wave of antenna radiation can be converted into circular polarization wave. Thus the aim of radar transmitting circular polarization electromagnetic wave can be realized. The principle of polarization transformation layer is to advance the parallel component of the incident electromagnetic wave and realize the circular polarization, which is mainly by etching the metal layer on the printed circuit board into a metal grid line. Compared with the traditional wire-circular polarization converter, the new wire-circle polarization converter can realize miniaturization effectively and has practical application value in military.
【作者單位】: 西安電子科技大學(xué)電子工程學(xué)院;
【分類號】:TN957.2;TN624
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