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- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/10%3A_Antennas_and_Radiation/10.03%3A_Antenna_gain_effective_area_and_circuit_propertiesThis page covers the fundamentals of antenna directivity, gain, and impedance, focusing on short dipole antennas. It defines key relationships between gain, radiation resistance, and the effective are...This page covers the fundamentals of antenna directivity, gain, and impedance, focusing on short dipole antennas. It defines key relationships between gain, radiation resistance, and the effective area, employing Thevenin equivalents to analyze antenna circuits. The reciprocity principle is emphasized, detailing how transmitted power impacts received power across distances.
- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/10%3A_Antennas_and_Radiation/10.04%3A_Antenna_arraysThis page discusses enhancements in dipole antenna arrays, including increased gain, beam steering, and simultaneous transmissions through configurations and effective area adjustments. It highlights ...This page discusses enhancements in dipole antenna arrays, including increased gain, beam steering, and simultaneous transmissions through configurations and effective area adjustments. It highlights the use of mirrors to improve short dipole antenna gain and analysis of uniform dipole arrays, focusing on element factors and phase variations affecting radiation patterns.
- https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/11%3A_Common_Antennas_and_Applications/11.02%3A_Wire_antennasThis page focuses on wire antennas, analyzing current distributions and radiated fields while addressing challenges in solving Maxwell's equations for complex designs. It discusses quasistatic approxi...This page focuses on wire antennas, analyzing current distributions and radiated fields while addressing challenges in solving Maxwell's equations for complex designs. It discusses quasistatic approximations, radiation resistance, and open-circuit voltage, emphasizing the half-wave dipole's properties. The text also covers nominal current distributions across various structures, their variation during cycles, and how arm lengths influence terminal currents and radiation resistance.
