Course Code: 023506

Teaching Hours: 32

Key Words: Antenna Theory; Impedance Bandwidth; Radiation Pattern; Polarization; Feeding Technique

Purpose and Role of the Course:

Antennas are the basic and inevitable elements in communication systems. This course is designed for the postgraduates who are in electromagnetic fields and microwave techniques or some other majors related. Based on the theory of microwave technology foundation and electromagnetic field and electromagnetic wave, this course will systematically introduce the most basic and practical antennas’ design and measurement as well as the basic principle and technology of the antenna.

In the Antenna course studying, firstly, make the students understand the basic theory to analyze the antenna, master the antenna design procedure, master the simulation and measurement methods and instruments of the antenna, understand the differences between the model in simulator and practical object; for another, it is important to cultivate the students’ ability of self-study and observing and synthesizing, and the ability of analyzing, inducing and solving problems.

Main Chapters and Teaching Hours

“Antenna Theory and Design” has 32 classes and it covers the following contents:

Chapter 1. Antenna Basics (2 hours)

Introduction

Early history and types of antenna

Chapter 2. Basic Antenna Parameters (4 hours)

Patterns and radiation intensity

Directivity D and Gain G

Antenna apertures and polarization

Chapter 3. Point Sources and Arrays of Point Sources (3 hours)

Point source defined

Field patterns and phase patterns

Huygen’s principle

Chapter 4. Wire Antenna (4 hours)

Small dipole

Half-Wavelength dipole

Chapter 5. Microstrip Antenna (8 hours)

Rectangular patch: theory and design

Arrays and feed networks

Analysis of planar microstrip antennas

Chapter 6. Broadband Antenna (3 hours)

Broadband basics

The frequency-independent concept:Rumsey’s Principle

Chapter 7. Antenna Measurement (2 hours)

Impedance measurements

Gain measurements

Chapter 8. Antenna Design Tools and Experiment (6 hours)

Design softwares

Vector Network Analyzer

Teach Method

Chapter 1 to 6 will be taught in class, together with some case discussion. Chapter 7 & 8 will be taught through compute-aided software learning and experiment. Finally, a course report is requested.

Test and Examination

Attendance and Test 20%; Course Report 80%

Pre-request Courses

Electromagnetic Fields and Waves

Microwave Technique

Circuit Theory

References

Reference books and reading materials:

[1]. Constantine A. Balanis. Antenna Theory: Analysis and Design, 4rd Edition. John Wiley & Sons, Inc. 2016.

[2]. Warren L. Stutzman, Gary A. Thiele. Antenna theory and design. John Wiley & Sons, 2012.

[3]. John D. Kraus, Ronald J. Marhekfa. Antennas: For All Applications, 3rd Edition. The McGraw-Hill Companies, Inc. 2003.

[4]. Kin-Lu Wong. Planar Antennas for Wireless Communications. A JOHN WILEY & SONS, INC., 2003.