Chapter 3
Radiation and Antennas
“An antenna is an electromagnetic radiator, a sensor, a transducer and an impedance matching device with extensive applications in all communication, Radar and in Bio-Medical systems.”
CHAPTER OBJECTIVES
This chapter discusses
- Antenna fundamental parameters
- Antenna properties, characteristics and functions
- Radiation mechanism
- Basic antennas and their radiation characteristics
- Objective questions and solved problems useful for class tests, final examinations and also for competitive examinations
- Exercise problems to develop self problem solving skills
3.1 INTRODUCTION
An antenna is basically a transducer. It converts radio frequency (RF) electrical current into an electromagnetic (EM) wave of the same frequency. ...
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