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 students operating within the box of antenna research and layout; but the wealth of hands-on layout examples awarded during this book―along with simulation details―also makes it a worthy reference for training engineers. The requirement for the readers of this booklet is to be accustomed to the fundamentals of antenna concept; even if electric engineering scholars taking an introductory path in antenna engineering may also make the most of this booklet as a supplementary textual content.
The key strengths of this e-book are as follows
* First, the fundamentals of antenna simulation may be awarded in a close, comprehensible, and easy-to-follow method via examine of the easiest varieties of radiators, i.e. dipole and loop antennas, in chapters 2 and three. this can construct the elemental wisdom a pupil would want so that it will make the most of antenna simulation software program typically.
* moment, comparability among theoretical research and full-wave simulation result of FEKO are given for various antenna varieties, in an effort to reduction the readers with a greater realizing of the idea, approximations and boundaries within the theoretical research, and answer accuracy.
* 3rd, and of paramount significance, 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 strong academic software to completely comprehend the radiation habit of antennas.
The advertisement electromagnetic software program FEKO is chosen for the simulations because of its various merits and recognition. particularly, this software program offers a number of solvers that may be selected for a quick and effective research looking on the kind of antenna. in addition, FEKO offers loose lecture room licenses to universities which can be utilized to simulate many of the antenna configurations provided during this book.
FEKO simulation documents can be found to teachers who undertake the e-book for his or her direction or pros who've bought the ebook. Please touch The IET for additional information
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Extra info for Antenna analysis and design using FEKO electromagnetic simulation software
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.
To improve the bandwidth of the dipole antenna, one approach is to use lumped elements to improve the matching. In many cases, though, this is not practical so a lumped element can be mimicked using wires . The geometry of the conventional dipole and the quasi log-periodic antenna is shown in Figure 2-37. FIGURE 2-37 ¢ (a) A dipole antenna model in FEKO. (b) Quasi log-periodic dipole model in FEKO. Z Z Y Y X X Z (a) X Z Y (b) X Y In this quasi log-periodic design, two additional mutually coupled stubs are symmetrically connected to the original dipole.
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.