- spectral components
- спектральные составляющие
English-Russian small dictionary of medicine. 2015.
spectral components
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Spectral modelling synthesis — Spectral Modeling Synthesis or simply SMS is an Acousic modeling approach for speech and other signals.SMS considers sounds as a combination of harmonic content and noise content. Harmonic components are identified based on peaks in the frequency … Wikipedia
Spectral width — In telecommunications, spectral width is the wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value. In optical… … Wikipedia
Spectral leakage — is an effect in the frequency analysis of signals where small amounts of signal energy are observed in frequency components that do not exist in the original waveform. The term leakage refers to the fact that it appears as if some energy has… … 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 phase interferometry for direct electric-field reconstruction — In ultrafast optics, spectral phase interferometry for direct electric field reconstruction (SPIDER) is an ultrashort pulse measurement technique.The basicsSPIDER is an interferometric ultrashort pulse measurement technique in the frequency… … Wikipedia
Spectral linewidth — The spectral linewidth characterizes the width of a spectral line, such as in the electromagnetic emission spectrum of an atom, or the frequency spectrum of an acoustic or electronic system. For example, the emission of an atom usually has a very … Wikipedia
Spectral splatter — In radio electronics or acoustics, spectral splatter (also called switch noise ) refers to spurious emissions that result from an abrupt change in the transmitted signal, usually when transmission is started or stopped.For example, a device… … Wikipedia
Spectral rendering — In computer graphics, spectral rendering is where a scene s light transport is modeled with real wavelengths. This process is typically a lot slower than traditional rendering, which renders the scene in its red, green, and blue components and… … Wikipedia
spectral line series — ▪ physics any of the related sequences of wavelengths characterizing the light and other electromagnetic radiation emitted by energized atoms. The simplest of these series are produced by hydrogen. When resolved by a spectroscope, the… … Universalium
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
Principal components analysis — Principal component analysis (PCA) is a vector space transform often used to reduce multidimensional data sets to lower dimensions for analysis. Depending on the field of application, it is also named the discrete Karhunen Loève transform (KLT),… … Wikipedia
