spectral form
Смотреть что такое "spectral form" в других словарях:
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 method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… … 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
Spectral evidence — was a form of evidence, accepted in court during the Salem Witch Trials, that was based upon dreams and visions. Spectral evidence was admitted at the Salem witch trials by the appointed chief justice, William Stoughton. [… … Wikipedia
Spectral theory of ordinary differential equations — In mathematics, the spectral theory of ordinary differential equations is concerned with the determination of the spectrum and eigenfunction expansion associated with a linear ordinary differential equation. In his dissertation Hermann Weyl… … Wikipedia
Spectral line — Continuous spectrum Emission line … Wikipedia
Spectral radius — In mathematics, the spectral radius of a matrix or a bounded linear operator is the supremum among the absolute values of the elements in its spectrum, which is sometimes denoted by rho;( middot;).pectral radius of a matrixLet lambda;1, hellip;,… … Wikipedia
Spectral sequence — In the area of mathematics known as homological algebra, especially in algebraic topology and group cohomology, a spectral sequence is a means of computing homology groups by taking successive approximations. Spectral sequences are a… … 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 theory of compact operators — In functional analysis, compact operators are linear operators that map bounded sets to precompact ones. Compact operators acting on a Hilbert space H is the closure of finite rank operators in the uniform operator topology. In general, operators … Wikipedia
