Título: Introduction to antenna Basic Parameters.
Descripción automática: In this video, from the Technical University of Madrid delivers an introductory lecture on basic antenna parameters. She outlines the agenda, which includes defining what an antenna is, exploring different frequency bands, and explaining various types of antennas.
She begins by stating that an antenna is a device capable of transmitting, receiving, or detecting electromagnetic waves, emphasizing the importance of radiation efficiency, matching the signal generator with the transmitting and receiving antennas, and having an appropriate radiation pattern.
The presentation further addresses the variety of frequency bands, from 3 kHz to 300 GHz, highlighting different designations and the typical services associated with these bands.
Different antenna groups are introduced, categorized by their radiation mode: resonant current antennas (e.g., monopoles and dipoles), traveling wave antennas, array antennas, and aperture antennas. The video provides comparisons based on frequency and size relative to wavelength, mentioning that resonant antennas are typically smaller than aperture antennas.
Several examples are shared, including a monopole for transatlantic communications, broadcasting loop antennas, printed microstrip patch antennas, and various radar antennas. The discussion extends to describe conformal array antennas used in satellite communications and different styles of aperture antennas, such as horn antennas for satellite feeds and reflectors for radio astronomy.
The lecture aims to provide a comprehensive summary of antenna basics and closes with an invitation to review the presented references for further information.
Autor/a: Fernández González José Manual
Curso: Este vídeo es el 7/62 del curso European School of Antennas. • European School of Ant...
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