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Compact Multi-Beam Forming Network with Three-way Power Divider Combined Rat-Race Coupler and Branch-Line Coupler

机译:带有鼠种族耦合器和支线耦合器的三路功率分配器的紧凑型多波束成形网络

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Demands on high-throughput communication for airplanes and ships through a high-throughput satellite using the Ka-band have increased. In Ka-band satellite communication, a multi-feeds per beam system that consists of a reflector and multiple primary feeds is widely used. A compact beam-forming network (BFN) is required in this system. We propose a compact BFN with three-way power dividers in this paper, consisting of a rate-race coupler and a branch-line coupler. We fabricated a 20 GHz-band multilayer flangeless 16-beam-forming network. As a result, the measurement and the simulated results are generally in good agreement. The BFN size is 200 (L) mm × 260 (W) mm × 150 (H) mm, and the weight is 7kg. Therefore, the compact BFN having good characteristics are realized.
机译:通过使用Ka频段的高通量卫星对飞机和船舶进行高通量通信的需求已经增加。在Ka波段卫星通信中,广泛使用由反射器和多个主要馈电组成的每波束多馈电系统。该系统需要一个紧凑的波束形成网络(BFN)。我们在本文中提出了一种紧凑的带三路功率分配器的BFN,它由一个速率-种族耦合器和一个支路耦合器组成。我们制造了一个20 GHz频段的多层无凸缘16波束成形网络。结果,测量结果和模拟结果通常吻合良好。 BFN尺寸为200(L)mm×260(W)mm×150(H)mm,重量为7kg。因此,实现了具有良好特性的紧凑型BFN。

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