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Slotted array UHF television broadcasting antenna. As shown by H. G. Booker in 1946, from Babinet's principle in optics a slot in a metal plate or waveguide has the same radiation pattern as a driven rod antenna whose rod is the same shape as the slot, with the exception that the electric field and magnetic field directions are interchanged; the antenna is a magnetic dipole instead of an ...
An acoustic waveguide is a physical structure for guiding sound waves. Sound in an acoustic waveguide behaves like electromagnetic waves on a transmission line. Waves on a string, like the ones in a tin can telephone, are a simple example of an acoustic waveguide. Another example are pressure waves in the pipes of an organ.
The feed antenna is connected to the associated radio-frequency (RF) transmitting or receiving equipment by means of a coaxial cable transmission line or waveguide. At the microwave frequencies used in many parabolic antennas, waveguide is required to conduct the microwaves between the feed antenna and transmitter or receiver.
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Waveguide post filter: a band-pass filter consisting of a length of WG15 (a standard waveguide size for X band use) divided into a row of five coupled resonant cavities by fences of three posts each. The ends of the posts can be seen protruding through the wall of the guide. A waveguide filter is an electronic filter constructed with waveguide ...
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YouTube TV is an American over-the-top Internet Protocol streaming television platform operated by YouTube, a subsidiary of Google, which in turn is a subsidiary of Alphabet Inc., who announced YouTube TV on February 28, 2017. [2]
GeeXboX - GeeXboX (stylized as GEExBox) is a free Linux distribution providing a media center software suite for personal computers. Kdetv - Discontinued TV viewer Kodi (formerly XBMC ) - It allows users to play and view most streaming media, such as videos, music, podcasts , and videos from the Internet, as well as all common digital media ...