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Simulation of on-board microwave antennas of spacecrafts

Keywords:

E.V. Gadzhiev – postgraduate student of Department of Radiophysics, Antennas and Microwave Technique of Moscow Aviation Institute. E-mail: gadzhiev_elchin@mail.ru


The article is focused on computer-aided design (CAD) antennas and microwave devices. Through the use of CAD for electrodynamic simulation, developers of antennas and microwave devices have the opportunity not only to speed up the development process, but also to solve more complex problems. The presence of a number of CAD and their interaction with external programs can solve the tasks using different methods. There is also a series of numerical methods for solving Maxwell's equations in the frequency domain and time domain. In this article a model of an UHF-band on-board microstrip patch antenna for future application on spacecraft “Ionosphere” are presented. The model was developed using CAD Agilent EMPro. The basic model parameters such as voltage standing-wave ratio (VSWR), radiation pattern, gain during the simulation were obtained and evaluated. The main purpose of this article is to show the advantage of using CAD in the design of antennas and microwave devices, including on-board antennas spacecraft.
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