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Friis' original idea behind his transmission formula was to dispense with the usage of directivity or gain when describing antenna performance. In their place is the descriptor of antenna capture area as one of two important parts of the transmission formula that characterizes the behavior of a free-space radio circuit.
Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and application of devices that produce or use signals within the radio band, the frequency range of about 20 kHz up to 300 GHz.
The journal covers research on antenna technology and propagation of electromagnetic waves.It also contains topical reviews, and perspective articles. It was established in 2020, with Konstantina Nikita (National Technical University of Athens) as the founding editor-in-chief.
The two-rays ground-reflection model is a multipath radio propagation model which predicts the path losses between a transmitting antenna and a receiving antenna when they are in line of sight (LOS). Generally, the two antenna each have different height. The received signal having two components, the LOS component and the reflection component ...
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His research group at Harvard spent the 1940s and 1950s developing the theory of antenna, using the cylindrical antenna as a boundary value problem subject to Maxwell's equations. Also, scattering and diffraction of electromagnetic waves from spheres, cylinders, strips, and disks, conducted within earth, under water or in tissue. [ 5 ]
International Journal of Antennas and Propagation is a peer reviewed, scientific open access journal that publishes original and review articles in all areas of antennas and propagation. The editor-in-chief is Slawomir Koziel.
IEEE Transactions on Antennas and Propagation is a peer-reviewed scientific journal published by the IEEE Antennas & Propagation Society. It covers research on and applications of all aspects of antenna technology and the propagation of electromagnetic waves. The journal was established in 1952 and since 2022 the Editor-in-chief is Konstantina ...