A proposed Array of Quadrifilar Helix Antenna for CubeSat applications

N.A.-D.M. Salem, A. Hussein, M. M. Mabrook
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引用次数: 0

Abstract

Recently, small satellites such as Cube Satellites (CubeSats) have played an important role in modern communication and applications like imaging, remote sensing, education, wide-area measurements, deep-space research, and deep-space observations and communications. CubeSat antenna has primary functions in telemetry and command, communication, navigation, and inter-satellite links (ISL) operations. This paper investigates the radiation characteristics of proposed arrays of quadrifilar helix antenna as an application on a CubeSat in L-band. Firstly, the problem is formulated using the moment method for a four-element array on top of a CubeSat is considered. Then, the radiation patterns, array gain, and axial ratio are depicted. Finally, the characteristics of a cavity-backed four-element quadrifilar helical antenna on top of a CubeSat are investigated. Simulation results show that the antenna gain increases using the cavity while the axial ratio slightly decreases.
一种用于立方体卫星的四线螺旋天线阵列
近年来,立方体卫星(CubeSats)等小卫星在成像、遥感、教育、广域测量、深空研究、深空观测与通信等现代通信与应用中发挥了重要作用。CubeSat天线在遥测和指挥、通信、导航和卫星间链路(ISL)操作中具有主要功能。本文研究了在立方卫星l波段应用的四线螺旋天线阵列的辐射特性。首先,用矩量法对立方体卫星上的四元阵列进行了求解。然后,描述了辐射方向图、阵列增益和轴比。最后,研究了一种基于空腔的四元四线螺旋天线的天线特性。仿真结果表明,采用空腔后,天线增益增加,而轴向比略有降低。
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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