Read e-book online Antenna analysis and design using FEKO electromagnetic PDF

By Atef Z. Elsherbeni

ISBN-10: 1613532059

ISBN-13: 9781613532058

The target of this ebook is to introduce scholars and design-engineers to antenna layout and research utilizing the preferred advertisement electromagnetic software program FEKO. This e-book is essentially meant for college students operating within the box of antenna research and layout; but the wealth of hands-on layout examples offered during this book―along with simulation details―also makes it a invaluable reference for working towards engineers. The requirement for the readers of this ebook is to be conversant in the fundamentals of antenna concept; in spite of the fact that electric engineering scholars taking an introductory direction in antenna engineering may also reap the benefits of this ebook as a supplementary textual content.

The key strengths of this e-book are as follows
* First, the fundamentals of antenna simulation should be provided in a close, comprehensible, and easy-to-follow method via research of the best sorts of radiators, i.e. dipole and loop antennas, in chapters 2 and three. it will construct the basic wisdom a pupil would want on the way to make the most of antenna simulation software program normally.
* moment, comparability among theoretical research and full-wave simulation result of FEKO are given for numerous antenna varieties, as a way to reduction the readers with a greater realizing of the speculation, approximations and barriers 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 on hand 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 a variety of benefits and recognition. particularly, this software program presents a number of solvers that may be selected for a quick and effective research reckoning on the kind of antenna. furthermore, FEKO presents loose school room licenses to universities which can be utilized to simulate lots of the antenna configurations offered during this book.

FEKO simulation documents can be found to teachers who undertake the booklet for his or her path or pros who've bought the e-book. Please touch The IET for additional information

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Extra info for Antenna analysis and design using FEKO electromagnetic simulation software

Sample text

C) 3l/4. (d) l. 4 280 (c) FIGURE 2-12 (d) l. 2 270 330 (d) 280 290 300 310 Frequency [MHz] 320 330 Gain as a function of frequency for finite length dipole antennas: (a) l/4. (b) l/2. (c) 3l/4. The antenna gain as a function of frequency is given in Figure 2-12. The antenna gain increases with frequency, which is due to the larger electrical size of the dipole. In addition, while all designs show an increase in gain as a function of frequency, this variation in gain increases for larger dipoles.

While a null is still seen in the broadside direction, several other nulls seem to appear along other elevation angles. The presence of these nulls is attributed to the existence of the image source here [7]. Note that if the vertical distance of the dipole to the ground plane changes, the position of these nulls will change; however, the broadside null will always be present in this case. Next we study the horizontal dipole case. The elevation plane radiation pattern is given in Figure 2-27 for two plane cuts: the x-z and y-z planes.

1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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.

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Antenna analysis and design using FEKO electromagnetic simulation software by Atef Z. Elsherbeni

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