- spectral efficiency
- спектральная эффективность
Терминологический словарь МИД России. EdwART. 2011.
spectral efficiency
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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
Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… … Wikipedia
Spectral sensitivity — is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.In visual neuroscience, spectral sensitivity is used to describe the different characteristics of the photopigments in… … Wikipedia
Spectral band replication — (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.It can be combined with any audio compression codec: the codec itself transmits the lower and… … Wikipedia
Spectral mutability — is a desired capabilityClarifyme|date=August 2008 where RF systems have the appropriate mix of both manual and automatic flexibility and agility to affect all aspects of their operating parameters (e.g. waveform, bandwidth, power, frequency,… … Wikipedia
spectral luminous efficiency — spektrinis santykinis šviesinis veiksmingumas statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, išreiškiamas spektrinio šviesinio veiksmingumo ir didžiausio spektrinio šviesinio veiksmingumo dalmeniu. atitikmenys: angl. luminous… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
spectral luminous efficiency — spektrinis santykinis šviesinis veiksmingumas statusas T sritis fizika atitikmenys: angl. luminous efficiency at a specified wavelength; spectral luminous efficiency vok. spektrale Hellempfindlichkeitsgrad, n rus. относительная спектральная… … Fizikos terminų žodynas
Spectral Band Replication — Spektralband Replikation (SBR, engl.: Spectral Band Replication) ist ein patentiertes Parametric Audio Coding Verfahren der Firma Coding Technologies zur verlustbehafteten Audiodatenkompression. Es wird benutzt, um Kodierungsverfahren zur… … Deutsch Wikipedia
Least-squares spectral analysis — (LSSA) is a method of estimating a frequency spectrum, based on a least squares fit of sinusoids to data samples, similar to Fourier analysis. [cite book | title = Variable Stars As Essential Astrophysical Tools | author = Cafer Ibanoglu |… … Wikipedia
Quantum efficiency — (QE) is a quantity defined for a photosensitive device such as photographic film or a charge coupled device (CCD) as the percentage of photons hitting the photoreactive surface that will produce an electron–hole pair [… … Wikipedia
High-Efficiency Advanced Audio Coding — MIME audio/aacp, audio/3gpp, audio/3gpp2 Разработан ISO Тип формата Формат сжатия звука Содержится в 3GP, MP4, .dvb Расширен из AAC Стандарт(ы) ISO/IEC 14496 3 … Википедия
