spectrum spreading
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spectrum spreading — spektro išplėtimas statusas T sritis radioelektronika atitikmenys: angl. spectrum spreading; spectrum widening vok. Spektrumverbreiterung, f rus. уширение спектра, n pranc. expansion du spectre, f; élargissement du spectre, m … Radioelektronikos terminų žodynas
spectrum widening — spektro išplėtimas statusas T sritis radioelektronika atitikmenys: angl. spectrum spreading; spectrum widening vok. Spektrumverbreiterung, f rus. уширение спектра, n pranc. expansion du spectre, f; élargissement du spectre, m … Radioelektronikos terminų žodynas
Total Spectrum Solar Concentrator — A Total Spectrum Solar Concentrator is a device used to optimise the efficiency of solar power. The suns rays are first concentrated using parabolic mirrors or a fresnel lens, and then spread out into a light spectrum via a prism. Each different… … Wikipedia
Spread spectrum — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Direct-sequence spread spectrum — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Frequency-hopping spread spectrum — (FHSS) is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver. A spread spectrum transmission offers three main advantages over… … Wikipedia
fortification spectrum — Also known as fortification figure, fortification of Vauban, geometrical spectrum, herringbone, flittering scotoma, Norman arch, scintillating scotoma, telehopsia, and teichopsia. The introduction of the term fortification spectrum is commonly … Dictionary of Hallucinations
Orthogonal variable spreading factor — (OVSF) is an implementation of Code division multiple access (CDMA) where before each signal is transmitted, the spectrum is spread through the use of a user s code. User s codes are carefully chosen to be mutually orthogonal to each other.These… … Wikipedia
Carrier interferometry — (CI) is a type of spread spectrum multiple access typically employed with Orthogonal frequency division multiplexing (OFDM). CI spreading codes are commonly used to spread data symbols across multiple OFDM subcarriers for diversity benefits and… … Wikipedia
Spectral efficiency — Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is… … Wikipedia
Spektrumverbreiterung — spektro išplėtimas statusas T sritis radioelektronika atitikmenys: angl. spectrum spreading; spectrum widening vok. Spektrumverbreiterung, f rus. уширение спектра, n pranc. expansion du spectre, f; élargissement du spectre, m … Radioelektronikos terminų žodynas
