Introduction to Antenna Concepts

This course is a survey of antenna concepts that are important to understand in the antenna measurement field. It is a prerequisite for courses on antenna measurement techniques. Included in this course will be the following topics:

• What is an antenna?
• What is an antenna pattern
• The concepts of gain, directivity, and efficiency
• The concept of polarization
• Linear polarization ratio, circular polarization ratio, axial ratio
• Basic Antenna types
• EIRP
• The Friis transmission equation

This course is intended as an introduction to technicians and engineers to basic antenna and antenna measurement concepts. This course is a survey of the concepts, and as such will not go into any one topic in great detail. That will be handled in follow-on courses to this one. The course assumes that you are familiar with basic RF and/or microwave concepts such as power, impedance, and attenuation. Also is assumed knowledge of basic algebra and complex arithmetic (MATH110). Most of the concepts required are reviewed.

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