By Atef Z. Elsherbeni

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 publication 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 necessary reference for working towards engineers. The requirement for the readers of this booklet is to be conversant in the fundamentals of antenna thought; despite the fact that electric engineering scholars taking an introductory direction in antenna engineering may also make the most of this booklet as a supplementary textual content.

The key strengths of this publication are as follows

* First, the fundamentals of antenna simulation can be provided in a close, comprehensible, and easy-to-follow method via learn of the easiest sorts of radiators, i.e. dipole and loop antennas, in chapters 2 and three. this may construct the elemental wisdom a scholar would wish which will make the most of antenna simulation software program usually.

* moment, comparability among theoretical research and full-wave simulation result of FEKO are given for quite a few antenna varieties, so one can relief the readers with a greater figuring out of the speculation, approximations and obstacles 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 robust academic software to completely comprehend the radiation habit of antennas.

The advertisement electromagnetic software program FEKO is chosen for the simulations as a result 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. furthermore, FEKO presents loose school room licenses to universities which can be utilized to simulate lots of the antenna configurations awarded during this book.

FEKO simulation records can be found to teachers who undertake the publication for his or her path or execs who've bought the ebook. Please touch The IET for additional information

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**Additional resources for Antenna analysis and design using FEKO electromagnetic simulation software**

**Example text**

Studying the effect of CH002 17 April 2014; 14:54:22 26 CHAPTER Wire Dipole and Monopole Antennas 2 FIGURE 2-22 ¢ Setup for wireless power transfer using two dipole antennas. Receiver (Rx) Transmitter (Tx) Z Distance Dipole length X Y Z Y X Friis formula FEKO Friis formula Received power (μW) Received power (μW) 2000 1500 1000 500 0 250 300 Frequency (MHz) (a) FIGURE 2-23 FEKO 100 ¢ 80 60 40 20 0 250 350 (b) 300 Frequency (MHz) 350 Received power at the receiver antenna for various distances: (a) d ¼ l.

0 Z Y X Y X Y Z (a) X (b) Y Z X FIGURE 2-17 ¢ The quarter-wavelength monopole antenna above a finite ground plane: (a) 3D model in FEKO. (b) Contour plot of the current distribution on the ground plane. Frequency = 270 MHz Frequency = 300 MHz Real Frequency = 330 MHz 25 100 Impedance [Ohm] Current [mA] 20 15 10 5 0 0 (a) Imaginary 50 100 150 200 Segment Z-position [mm] 250 (b) 80 60 40 20 0 –20 –40 –60 270 280 290 380 310 Frequency [MHz] 320 330 FIGURE 2-18 ¢ (a) Current distribution on a monopole antenna with a 5 l ground plane.

B) Wire loop model in FEKO. CH003 16 April 2014; 12:4:29 46 CHAPTER 3 Wire Loop Antennas FIGURE 3-4 ¢ Creating a wire port for a loop antenna in CADFEKO. FIGURE 3-5 ¢ Geometry of a loop antenna in CADFEKO. 2 Parametric Studies Using the simulation setup given in the previous section, now let’s examine the radiation characteristics of electrically small loop antennas. We consider two cases here for the circumference of the loop: l/20 and l/10. 0 Z Y X Z (b) X Y Phi = 90 deg 330 300 0 2 0 –2 –4 –6 –8 –10 –12 –14 Phi = 0 deg 30 60 270 90 240 (c) 120 150 210 180 47 FIGURE 3-6 ¢ Radiation performance of a loop antenna in POSTFEKO: (a) Near-field distribution in the y-z plane.