Machined Metal FUSE Array Apertures

2019 IEEE International Symposium on Phased Array System & Technology (PAST) Pub Date : 2019-10-01 DOI:10.1109/PAST43306.2019.9021101

R. Kindt, J. Logan, M. W. Elsallal

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引用次数: 8

Abstract

A Frequency-scaled Ultra-wide Spectrum Element (FUSE) antenna aperture is presented that is readily produced as size-scalable modular sub-array tiles via conventional (subtractive) machining of common metal stock, similar to the manufacturing of wideband all-metal Vivaldi flares. Like the Planar Ultra-wideband Modular Antenna (PUMA) array, whose modular aperture production can be automated via commercial printed circuit board (PCB) manufacturing at minimal touch labor, these FUSE apertures can be produced with quick turnaround time at rapid prototyping metal machining shops. The radiator can also be produced via additive manufacturing (3D printing), making this simple design an excellent choice for benchmarking alternative manufacturing techniques. This low-profile ultra-wideband array aperture demonstrates operation from 5 GHz to 21 GHz (4.2:1 VSWR bandwidth), with Voltage Standing Wave Ratios (VSWR) below 2.0 for 45-degree scans in all planes (60-degree scan VSWR < 2.0, except H-plane scan VSWR < 3.0) at optimal lattice spacing. Measured results are presented to validate modeling predictions.

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机械金属熔丝阵列孔径

提出了一种频率尺度的超宽频谱元件(FUSE)天线孔径，通过对普通金属原料的传统(减法)加工，可以很容易地生产出尺寸可扩展的模块化子阵列瓦片，类似于宽带全金属维瓦尔第耀斑的制造。与平面超宽带模块化天线(PUMA)阵列一样，其模块化孔径生产可以通过商业印刷电路板(PCB)制造自动化，只需最少的触摸劳动，这些FUSE孔径可以在快速原型金属加工车间快速生产。散热器也可以通过增材制造(3D打印)生产，使这种简单的设计成为标杆替代制造技术的绝佳选择。这种低姿态的超宽带阵列孔径在5 GHz至21 GHz (4.2:1 VSWR带宽)范围内工作，在最佳晶格间距下，所有平面45度扫描的电压驻波比(VSWR)都低于2.0(60度扫描VSWR < 2.0, h平面扫描VSWR < 3.0除外)。给出了测量结果来验证建模预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 IEEE International Symposium on Phased Array System & Technology (PAST)

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