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- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/10%3A_Antennas_and_RadiationThis page covers different aspects of antennas, including radiation principles, short dipole antennas, antenna gain, effective area, and antenna arrays. It emphasizes the benefits of larger gains for ...This page covers different aspects of antennas, including radiation principles, short dipole antennas, antenna gain, effective area, and antenna arrays. It emphasizes the benefits of larger gains for fixed services such as point-to-point and satellite communications and discusses how antenna arrays improve performance by enabling rapid beam steering and simultaneous multi-directional transmission across various applications.
- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/11%3A_Common_Antennas_and_Applications/11.01%3A_Aperture_antennas_and_diffractionThis page explores antennas and their interaction with radiation, focusing on aperture antennas and their diffraction patterns. It covers the derivation of radiated fields, the Fraunhofer approximatio...This page explores antennas and their interaction with radiation, focusing on aperture antennas and their diffraction patterns. It covers the derivation of radiated fields, the Fraunhofer approximation for far-field analysis, and the relationship between aperture illumination, gain, and angular resolution.
- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/11%3A_Common_Antennas_and_ApplicationsThis page addresses the difficulties in solving Maxwell's equations for antennas due to their complexities. It emphasizes that standard wire antennas enable precise current distribution estimations, a...This page addresses the difficulties in solving Maxwell's equations for antennas due to their complexities. It emphasizes that standard wire antennas enable precise current distribution estimations, aiding in calculations of radiated fields, gain, and effective area. The text also touches on radio wave propagation and thermal emission, alongside polar plots demonstrating the Yagi-Uda antenna's horizontal cross sections versus an isotropic emitter.
