- spectral [spectrum] analysis
-
спектральный анализ
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Spectrum analysis — also known as Emission Spectrochemical Analysis is the original scientific method of charting and analyzing the chemical properties of matter and gases by looking at the bands in their optical spectrum. The empirical laws of spectrum analysis are … Wikipedia
Singular Spectrum Analysis — The Singular Spectrum Analysis (SSA) techniqueis a powerful technique of time series analysisincorporating the elements of classical time series analysis,multivariate statistics, multivariate geometry, dynamical systemsand signal processing. The… … Wikipedia
Spectral music — (or spectralism) refers to a musical composition practice where compositional decisions are often informed by the analysis of sound spectra. Computer based sound spectrum analysis using a Fast Fourier transform is one of the more common methods… … Wikipedia
Spectral analysis — may refer to:* Spectrum analysis, in physics, a method of analyzing the chemical properties of matter from bands in their optical spectrum * Spectral theory, in mathematics, a theory that extends eigenvalues and eigenvectors to linear operators… … Wikipedia
Spectrum analyzer — A spectrum analyzer Spectrum analyzer display A spectrum analyzer measures the magnitude of an input signal versus frequency with … Wikipedia
Spectral line — Continuous spectrum Emission line … Wikipedia
Spectrum continuation analysis — (SCA) is a generalization of the concept of Fourier series to non periodic functions of which only a fragment has been sampled in the time domain.Recall that a Fourier series is only suitable to the analysis of periodic (or finite domain)… … Wikipedia
Spectral — Spec tral, a. 1. Of or pertaining to a specter; ghosty. [1913 Webster] He that feels timid at the spectral form of evil is not the man to spread light. F. W. Robertson. [1913 Webster] 2. (Opt.) Of or pertaining to the spectrum; made by the… … The Collaborative International Dictionary of English
Spectral lemur — Spectral Spec tral, a. 1. Of or pertaining to a specter; ghosty. [1913 Webster] He that feels timid at the spectral form of evil is not the man to spread light. F. W. Robertson. [1913 Webster] 2. (Opt.) Of or pertaining to the spectrum; made by… … The Collaborative International Dictionary of English
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 imaging — is a branch of spectroscopy in which a complete spectrum or some spectral information (such as the Doppler shift or Zeeman splitting of a spectral line) is collected at every location in an image plane. Applications include astronomy, solar… … Wikipedia