Fundamentals of Antennas


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Fundamentals of Antennas
Ahmed A. Kishk Center of Electromagnetic System Research (CEDAR) Department of Electrical Engineering University of Mississippi An antenna is a device that is used to transfer guided electromagnetic waves (signals) to radiating waves in an unbounded medium, usually free space, and vice versa (i.e., in either the transmitting or receiving mode of operation). Antennas are frequency-dependent devices. Each antenna is designed for a certain frequency band. Beyond the operating band, the antenna rejects the signal. Therefore, we might look at the antenna as a bandpass filter and a transducer. Antennas are essential parts in communication systems. There…
Citation
Zhi Ning Chen; Kwai-Man Luk: Antennas for Base Stations in Wireless Communications. Fundamentals of Antennas, Chapter (McGraw-Hill Professional, 2009), AccessEngineering Export