Measurements of antenna parameters

About the book

The script is the first textbook on the domestic market, corresponding to the new study programs, which presents the issues regarding the measurement of basic antenna parameters. The first part of the script - theoretical - is devoted to the definitions of parameters and characteristics of antennas, and to familiarize with the methods of measuring the basic parameters of antennas. Methods of measurements in the far and near zone, both in time and frequency domain, have been described. The script also presents exemplary exercises along with a description of the measurement positions. The material and exercise concept contains extensive possibilities for testing various types of antennas, measurements of various parameters and individualization of tasks, both at the basic and advanced level.

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Table of Contents

PREFACE
THEORETICAL PART
1. ANTEN PARAMETERS
1.1. Classification of antennas
1.2. Selected parameters and characteristics of antennas
2. MEASUREMENT IN THE AREA OF FREQUENCY
2.1. Measurement of directional characteristics
2.2. Measurement of antenna energy gain
3. MEASUREMENT IN THE AREA OF TIME
3.1. Theoretical basics
3.2. The advantages and disadvantages of measuring methods in the field of time
4. MEASUREMENTS OF POLARIZING CHARACTERISTICS
4.1. Theoretical basics
4.2. Ways of generating a wave with circular polarization
4.3. Applications of circular polarization waves
4.4. Methods of measurements of parameters describing the polarization of antennas
5. MEASUREMENT OF THE CHARACTERISTICS OF ANTENNA IN THE ZONE
5.1. Introduction
5.2. The zones of the electromagnetic field in the vicinity of the tested antenna
5.3. Spectral method of flat waves
5.4. The antenna measurement technique in the near zone on the plane
5.5. Sample results of antenna tests in the near zone
6. MEASUREMENT OF ANTENNA INTEGRATION AND MUTUAL EQUIPMENT BETWEEN RADIATORS
6.1. Theoretical basics
6.2. Measurement methods
LITERATURE
EXPERIMENTAL PART
I. DESCRIPTION OF LABORATORY POSITIONS
I.1. Stand for measurements in the frequency domain
I.2. Stand for measurements in the field of time
I.3. Stand for polarizing characteristics measurements
I.4. Stand for antenna measurements in the near zone
I.5. Stand for measurements of personal impedance and mutual couplings between heat sinks
EXAMPLES OF LABORATORY EXERCISES
II. INVESTIGATION OF DIRECT CHARACTERISTICS
II.1. The purpose of the exercise
II.2. The range of required messages
II.3. homework
II.4. Measurement
III. TEST OF POLARIZING CHARACTERISTICS
III.1. The purpose of the exercise
III.2. The range of required messages
III.3. homework
III.4. Measurement
IV. MEASUREMENT OF OWN IMPEDANCE AND MUTUAL EQUATIONS BETWEEN RADIATORS
IV.1. The purpose of the exercise
IV.2. The range of required messages
IV.3. homework
IV.4. Measurement