By Atef Z. Elsherbeni
The target of this publication is to introduce scholars and design-engineers to antenna layout and research utilizing the preferred advertisement electromagnetic software program FEKO. This ebook is essentially meant for college kids operating within the box of antenna research and layout; but the wealth of hands-on layout examples provided during this book―along with simulation details―also makes it a important reference for practising engineers. The requirement for the readers of this ebook is to be conversant in the fundamentals of antenna idea; besides the fact that electric engineering scholars taking an introductory direction in antenna engineering may also take advantage of this booklet as a supplementary textual content.
The key strengths of this ebook are as follows
* First, the fundamentals of antenna simulation should be provided in an in depth, comprehensible, and easy-to-follow strategy via research of the best forms of radiators, i.e. dipole and loop antennas, in chapters 2 and three. this can construct the elemental wisdom a pupil would want with a purpose to make the most of antenna simulation software program quite often.
* moment, comparability among theoretical research and full-wave simulation result of FEKO are given for various antenna forms, so that it will relief the readers with a greater knowing of the speculation, approximations and obstacles within the theoretical research, and answer accuracy.
* 3rd, and of paramount value, is the visualization of the antenna present distribution, radiation styles, and different radiation features which are made to be had via full-wave simulations utilizing FEKO. a formal research of the radiation features via those visualizations serves as a robust academic instrument to totally comprehend the radiation habit of antennas.
The advertisement electromagnetic software program FEKO is chosen for the simulations because of its quite a few benefits and recognition. particularly, this software program offers a number of solvers that may be selected for a quick and effective research counting on the kind of antenna. in addition, FEKO offers loose school room licenses to universities which can be utilized to simulate lots of the antenna configurations provided during this book.
FEKO simulation records can be found to teachers who undertake the booklet for his or her path or pros who've bought the publication. Please touch The IET for additional info
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Additional resources for Antenna analysis and design using FEKO electromagnetic simulation software
Once the vector potential is derived, the radiation pattern is computed as described in [7,8]. 1 Problem Setup To simulate the loop antenna in FEKO, we set up the simulation problem in the CADFEKO design environment. 0001 43 CH003 16 April 2014; 12:4:14 44 CHAPTER 3 Wire Loop Antennas A screenshot of the variables is shown in Figure 3-2. Here the loop antenna is designed for the operating frequency (freq) of 300 MHz. The lower (freq_min) and upper (freq_max) frequencies are used for the frequency sweep analysis.
Next we select the face of the ellipse and assign it as a ‘‘PEC’’. To efficiently perform the simulation here with the finite ground plane, we will use the physical optics solution option in FEKO. ’’ Next select both the monopole and ellipse and unite them. The geometry of this finite monopole antenna, along with the current distribution on the ground plane, is shown in Figure 2-17a. A contour plot showing the current distribution from the top view is given in Figure 2-17b. As expected, the current is mostly concentrated at the center of the ground plane; thus, the current distribution and input impedance of this finite ground monopole will be similar to the infinite case studied earlier.
41 41 43 53 60 68 71 INTRODUCTION This chapter introduces another fundamental antenna configuration: the loop antenna. This simple, inexpensive, and very versatile antenna takes many different forms, such as a rectangle, square, triangle, ellipse, and circle. Because of the simplicity in analysis and construction, the circular loop is the most popular and has received the widest attention. In this chapter, the effect of loop circumference on the current distribution and radiation performance of the antenna is illustrated using several examples.
Antenna analysis and design using FEKO electromagnetic simulation software by Atef Z. Elsherbeni