orthomode coupler

A new ortho-mode transducer(OMT)composed of double-septums in main wave guide and single-septum in side waveguide was proposed.

文章提出了主波导双模片侧臂波导单模片正交模耦合器(OMT),并采用电磁场时域有限差分(FDTD)算法与遗传算法(GA)来优化设计,给出了设计实例及其具体尺寸和电性能数值结果,正交模耦合器和喇叭的交叉极化电平达到-25 dB以下,带内驻波在1。

This article presents a detailed proof of a 3 dB lumped parameter quadrature coupler suitable for HF/VHF and gives a set of formulas for calculating element parameters.

对一种适用于HF/VHF频段的3dB集总参数正交耦合器进行了详细论证,得出参数的诸公式。