A new class of multi-layer microstrip patch antenna (MPA) array fed by substrate integrated waveguide (SIW) cavities is presented for Ku-band applications. An efficient compact multi-layer SIW feeding network is designed, which has lower losses than the conventional corporate feeding network based on microstrip lines or coplanar waveguides. A 4 × 4 array consists of four stacked layers, including three based on the SIW technology as a feeding network and one layer for the radiating antenna array. Each layer can easily be fabricated from a dielectric substrate and processed using the printed circuit board (PCB) technology. Afterward, all the PCB laminates are stacked together and tied by screws. The measured antenna operates from 11.2 to 13.6 GHz achieving 19.35% bandwidth. The measured peak gain at 12.5 GHz is 17.1 dBi, equivalent to 71.47% aperture efficiency. The fabricated array exhibits several advantages: broadband, low cost, compactness, high radiation efficiency, high aperture efficiency, and lightweight, which makes it a candidate for Ku-band satellite applications.

中文翻译：

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用于 Ku 波段卫星应用的由衬底集成波导馈电网络馈电的宽带和高效贴片阵列天线

一种新型的多层微带贴片天线 (MPA) 阵列由衬底集成波导 (SIW) 腔馈送，用于 Ku 波段应用。设计了一种高效紧凑的多层SIW馈电网络，其损耗低于基于微带线或共面波导的传统企业馈电网络。一个 4 × 4 阵列由四层堆叠组成，其中三层基于 SIW 技术作为馈电网络，一层用于辐射天线阵列。每一层都可以很容易地由电介质基板制成，并使用印刷电路板 (PCB) 技术进行处理。之后，所有PCB层压板堆叠在一起并用螺钉固定。被测天线在 11.2 至 13.6 GHz 的频率范围内工作，实现了 19.35% 的带宽。在 12.5 GHz 处测得的峰值增益为 17.1 dBi，相当于 71。47% 的光圈效率。制造的阵列具有宽带、低成本、紧凑、高辐射效率、高孔径效率和重量轻等优点，使其成为 Ku 波段卫星应用的候选者。