- rectangular waveguides
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English-Bulgarian polytechnical dictionary . 2013.
rectangular waveguides
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Waveguide (optics) — This page is about waveguides for transmission of optical signals or power. For other types of waveguide, see the disambiguation page Waveguide An optical waveguide is a physical structure that guides electromagnetic waves in the optical spectrum … Wikipedia
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Waveguide (electromagnetism) — In electromagnetics and communications engineering, the term waveguide may refer to any linear structure that guides electromagnetic waves. However, the original and most common meaning is a hollow metal pipe used for this purpose.A dielectric… … Wikipedia
Waveguide — This page is about waveguides in the most general sense. For ordinary metal pipe waveguides, Waveguide (electromagnetism). For optical waveguides, see Waveguide (optics). A section of flexible waveguide with a pressurizable flange … Wikipedia
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Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
Cutoff frequency — This article is about signal processing. For other uses, see Cutoff (disambiguation). Magnitude transfer function of a bandpass filter with lower 3 dB cutoff frequency f1 and upper 3dB cutoff frequency f2 … Wikipedia
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waveguide — /wayv guyd /, Electronics, Optics. n. a conduit, as a metal tube, coaxial cable, or strand of glass fibers, used as a conductor or directional transmitter for various kinds of electromagnetic waves. Cf. optical fiber. [1930 35; WAVE + GUIDE] * *… … Universalium
