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2016 military science fiction action film
Spectral is a 2016 military science fiction action film co-written and directed by Nic Mathieu. Written with Ian Fried and George Nolfi, the film stars
Spectral
Relative importance of certain frequencies in a composite signal
energy is finite, one may compute the energy spectral density. More commonly used is the power spectral density (PSD, or simply power spectrum), which
Spectral_density
Result about when a matrix can be diagonalized
In linear algebra and functional analysis, a spectral theorem is a result about when a linear operator or matrix can be diagonalized (that is, represented
Spectral_theorem
Distinctive narrow spectral feature of chemical species
A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum. It may result from emission or absorption of light in a
Spectral_line
Color evoked by a single wavelength of light in the visible spectrum
A spectral color is a color that is evoked by monochromatic light, i.e. either a spectral line with a single wavelength or frequency of light in the visible
Spectral_color
Topics referred to by the same term
Look up spectral in Wiktionary, the free dictionary. Spectral is a 2016 military science fiction film. Spectral may also refer to: Spectral (Dave Rempis
Spectral_(disambiguation)
Classification of stars based on spectral properties
stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by
Stellar_classification
Part of a spectrum
Spectral bands are regions of a given spectrum, having a specific range of wavelengths or frequencies. Most often, it refers to electromagnetic bands,
Spectral_band
Measure used in digital signal processing
The spectral centroid is a measure used in digital signal processing to characterise a spectrum. It indicates where the center of mass of the spectrum
Spectral_centroid
Important atomic emission spectra
been divided into a number of spectral series, with wavelengths given by the Rydberg formula. These observed spectral lines are due to the electron making
Hydrogen_spectral_series
Limits applied to the levels of radio transmissions
In telecommunications, a spectral mask, also known as a channel mask or transmission mask, is a mathematically defined set of lines applied to the levels
Spectral_mask
Canadian black metal band
Spectral Wound is a Canadian black metal band formed in 2014, signed to Profound Lore Records. Despite hailing from Montreal, the band has little in common
Spectral_Wound
Noise power per unit of bandwidth
communications, noise spectral density (NSD), noise power density, noise power spectral density, or simply noise density (N0) is the power spectral density of noise
Noise_spectral_density
Clustering methods
In multivariate statistics, spectral clustering techniques make use of the spectrum (eigenvalues) of the similarity matrix of the data to perform dimensionality
Spectral_clustering
Musical composition practice
Spectral music uses the acoustic properties of sound – or sound spectra – as a basis for composition. Defined in technical language, spectral music is
Spectral_music
Class of methods used in numerical analysis and scientific computing to solve ODE/PDE
Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain differential equations. The
Spectral_method
supersymmetric gauge theory, spectral networks are "networks of trajectories on Riemann surfaces obeying certain local rules. Spectral networks arise naturally
Spectral_network
Relative efficiency of detecting a signal as a function of its frequency or wavelength
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
Spectral_sensitivity
Tool in homological algebra
algebraic topology, a spectral sequence is a means of computing homology groups by taking successive approximations. Spectral sequences are a generalization
Spectral_sequence
Topics referred to by the same term
Spectral decomposition is any of several things: Spectral decomposition for matrix: eigendecomposition of a matrix Spectral decomposition for linear operator:
Spectral_decomposition
Effect in signal processing
referred to as spectral leakage in the broadest sense. Sampling, for instance, produces leakage, which we call aliases of the original spectral component.
Spectral_leakage
1979 studio album by Steve Hackett
Spectral Mornings is the third studio album by English guitarist and songwriter Steve Hackett, released in May 1979 on Charisma Records. It is his first
Spectral_Mornings
Topics referred to by the same term
Spectral analysis or spectrum analysis is analysis in terms of a spectrum of frequencies or related quantities such as energies, eigenvalues, etc. In specific
Spectral_analysis
The spectral correlation density (SCD), sometimes also called the cyclic spectral density or spectral correlation function, is a function that describes
Spectral_correlation_density
Type of geometric quantity
The spectral dimension is a real-valued quantity that characterizes a spacetime geometry and topology. It characterizes a spread into space over time,
Spectral_dimension
Measure of radiant energy over time
emitted, reflected, transmitted, or received per unit time, and spectral flux or spectral power is the radiant flux per unit frequency or wavelength, depending
Radiant_flux
Spectral density of light emitted by a black body
In physics, Planck's law (also Planck radiation law) describes the spectral density of electromagnetic radiation emitted by a black body in thermal equilibrium
Planck's_law
Collection of mathematical theories
In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader
Spectral_theory
Topic in mathematics
homological algebra and number theory, the Lyndon spectral sequence or Hochschild–Serre spectral sequence is a spectral sequence relating the group cohomology of
Lyndon–Hochschild–Serre spectral sequence
Lyndon–Hochschild–Serre_spectral_sequence
Signal processing technique
goal of spectral density estimation (SDE) or simply spectral estimation is to estimate the spectral density (also known as the power spectral density)
Spectral_density_estimation
Measure in astronomy
In astronomy, the spectral index of a source is a measure of the dependence of radiative flux density (that is, radiative flux per unit of frequency) on
Spectral_index
Reported supernatural visions used as legal testimony
Spectral evidence was a form of legal evidence based upon the testimony of those who claim to have experienced visions. Such testimony was frequently given
Spectral_evidence
Field in mathematics
Spectral geometry is a field in mathematics which concerns relationships between geometric structures of domains and manifolds and spectra of canonically
Spectral_geometry
Measurement describing the power of an illumination
In radiometry, photometry, and color science, a spectral power distribution (SPD) measurement describes the power per unit area per unit wavelength of
Spectral_power_distribution
Linear algebra aspects of graph theory
In mathematics, spectral graph theory is the study of the properties of a graph in relationship to the characteristic polynomial, eigenvalues, and eigenvectors
Spectral_graph_theory
Largest absolute value of an operator's eigenvalues
mathematics, the spectral radius of a square matrix is the maximum of the absolute values of its eigenvalues. More generally, the spectral radius of a bounded
Spectral_radius
Space homeomorphic to some ring spectrum
In mathematics, a spectral space is a topological space that is homeomorphic to the spectrum of a commutative ring. It is sometimes also called a coherent
Spectral_space
Energy difference between ground and first excited states
mechanics, the spectral gap of a system is the energy difference between its ground state and its first excited state. The mass gap is the spectral gap between
Spectral_gap_(physics)
physics, the spectral asymmetry is the asymmetry in the distribution of the spectrum of eigenvalues of an operator. In mathematics, the spectral asymmetry
Spectral_asymmetry
Homotypic spectrum
chromatic spectral sequence is a spectral sequence, introduced by Ravenel (1978), used for calculating the initial term of the Adams spectral sequence
Chromatic_spectral_sequence
Spectral flux is a measure of how quickly the power spectrum of a signal is changing, calculated by comparing the power spectrum for one frame against
Spectral_flux
Study involving matter and electromagnetic radiation
radiative energy, and recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave
Spectroscopy
Problem in Fourier analysis
The spectral concentration problem in Fourier analysis refers to finding a time sequence of a given length whose discrete Fourier transform is maximally
Spectral concentration problem
Spectral_concentration_problem
2023 studio album by Josh Ritter
Spectral Lines is the eleventh studio album by American singer-songwriter Josh Ritter. It was released on April 28, 2023, through Pytheas Recordings. The
Spectral_Lines
Spectral purity is a term used in both optics and signal processing. In optics, it refers to the quantification of the monochromaticity of a given light
Spectral_purity
Cryptographic hash function
Spectral Hash is a cryptographic hash function submitted to the NIST hash function competition by Gokay Saldamlı, Cevahir Demirkıran, Megan Maguire, Carl
Spectral_Hash
Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine. The technique makes use of the energy dependence of X-ray attenuation
Spectral imaging (radiography)
Spectral_imaging_(radiography)
Information rate that can be transmitted over a given bandwidth
Spectral efficiency (alternatively, spectrum efficiency or bandwidth efficiency) refers to the information rate that can be transmitted over a given bandwidth
Spectral_efficiency
Music composition concept
A spectral glide is a music-composition concept, consisting of a "modification of the vowel quality of a tone" (Erickson 1975, p. 72). Since the vowel
Spectral_glide
Conjecture in ergodic theory
mathematics, the spectral gap conjecture of Alexander Lubotzky, Ralph S. Phillips, and Peter Sarnak is a statement on the spectral gaps of certain actions
Spectral_gap_conjecture
Variation of reflectance or emittance of a material with respect to wavelengths
Spectral signature is the variation of reflectance or emittance of a material with respect to wavelengths (i.e., reflectance/emittance as a function of
Spectral_signature
Low bitrate digital audio enhancement technique
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
Spectral_band_replication
Feature observed in spectroscopy
Spectral line shape or spectral line profile describes the form of an electromagnetic spectrum in the vicinity of a spectral line – a region of stronger
Spectral_line_shape
Measurement in communication theory
telecommunications, spectral width is the width of a spectral band, i.e., the range of wavelengths or frequencies over which the magnitude of all spectral components
Spectral_width
Perception caused by wavelengths of light
Animal perception of color originates from different light wavelength or spectral sensitivity in cone cell types, which is then processed by the brain. Colors
Color
Resolving power of a spectrograph
The spectral resolution of a spectrograph, or, more generally, of a frequency spectrum, is a measure of its ability to resolve features in the electromagnetic
Spectral_resolution
Classification type of a class of astronomical objects
A trans-Neptunian spectral type (or Kuiper belt spectral type) is assigned to trans-Neptunian objects (TNOs) and other icy small bodies in the Solar System
Trans-Neptunian spectral types
Trans-Neptunian_spectral_types
Capturing image data across multiple electromagnetic spectrum ranges
(typically 3 to 15) of spectral bands. Hyperspectral imaging is a special case of spectral imaging where often hundreds of contiguous spectral bands are available
Multispectral_imaging
Expression for two-point correlation functions
The Källén–Lehmann spectral representation, or simply Lehmann representation, gives a general expression for the (time ordered) two-point function of an
Källén–Lehmann spectral representation
Källén–Lehmann_spectral_representation
Species of bat
The spectral bat (Vampyrum spectrum), also called the great false vampire bat, great spectral bat, American false vampire bat or Linnaeus's false vampire
Spectral_bat
1993 studio album by Edge of Sanity
The Spectral Sorrows is the third studio album by the Swedish death metal band Edge of Sanity, released through Black Mark Production on November 15, 1993
The_Spectral_Sorrows
Measure of radiant energy over surface area
dimensions and units: spectral irradiance of a frequency spectrum is measured in watts per square metre per hertz (W⋅m−2⋅Hz−1), while spectral irradiance of a
Irradiance
Species of mammal
Spectral tarsier or Selayar tarsier (Tarsius tarsier, also called Tarsius spectrum) is a species of tarsier found on the island of Selayar in Indonesia
Spectral_tarsier
Spectral shape analysis relies on the spectrum (eigenvalues and/or eigenfunctions) of the Laplace–Beltrami operator to compare and analyze geometric shapes
Spectral_shape_analysis
In mathematics, the joint spectral radius is a generalization of the classical notion of spectral radius of a matrix, to sets of matrices. In recent years
Joint_spectral_radius
Unit for measuring earthquakes
Spectral acceleration (SA) is a unit measured in g (the acceleration due to Earth's gravity, equivalent to g-force) that describes the maximum acceleration
Spectral_acceleration
Coherent risk measure using weighted outcomes based on risk aversion
A Spectral risk measure is a risk measure given as a weighted average of outcomes where bad outcomes are, typically, included with larger weights. A spectral
Spectral_risk_measure
Radiance of a surface
In radiometry, spectral radiance or specific intensity is the radiance of a surface per unit frequency or wavelength, depending on whether the spectrum
Spectral_radiance
Branch of spectroscopy and of photography
Spectral imaging is imaging that uses multiple bands across the electromagnetic spectrum. While an ordinary camera captures light across three wavelength
Spectral_imaging
Emission spectrum with Lorentzian profile
Spectral broadening refers to the widening of emitted wavelengths of radiation due to a number of different physical processes. This phenomenon is important
Spectral_broadening
Formulation of the finite element method
solution of partial differential equations, a topic in mathematics, the spectral element method (SEM) is a formulation of the finite element method (FEM)
Spectral_element_method
In mathematics, the spectral abscissa of a matrix or a bounded linear operator is the greatest real part of the matrix's spectrum (its set of eigenvalues)
Spectral_abscissa
Signal processing effect
of video terms Jaggies Kell factor Sinc filter Sinc function Spectral density Spectral leakage Stroboscopic effect Wagon-wheel effect Nyquist–Shannon
Aliasing
Spectral interferometry (SI) or frequency-domain interferometry is a linear technique used to measure optical pulses, with the condition that a reference
Spectral_interferometry
nearest stars separated by spectral type. The scope of the list is still restricted to the common main sequence spectral types: M, K, G, F, A, B and
List of nearest stars by spectral type
List_of_nearest_stars_by_spectral_type
In mathematics, the Bockstein spectral sequence is a spectral sequence relating the homology with mod p coefficients and the homology reduced mod p. It
Bockstein_spectral_sequence
Electromagnetic energy transfer rate
In spectroscopy, spectral flux density is the quantity that describes the rate at which energy is transferred by electromagnetic radiation through a real
Spectral_flux_density
Polynomial Matrix Spectral Factorization or Matrix Fejer–Riesz Theorem is a tool used to study the matrix decomposition of polynomial matrices. Polynomial
Polynomial matrix spectral factorization
Polynomial_matrix_spectral_factorization
In mathematics, the Freudenthal spectral theorem is a result in Riesz space theory proved by Hans Freudenthal in 1936. It roughly states that any element
Freudenthal_spectral_theorem
geometry and related branches of mathematics and mathematical physics, a spectral triple is a set of data which encodes a geometric phenomenon in an analytic
Spectral_triple
Matrix decomposition
real symmetric matrix, the decomposition is called "spectral decomposition", derived from the spectral theorem. A (nonzero) vector v of dimension N is an
Eigendecomposition of a matrix
Eigendecomposition_of_a_matrix
Portion of the electromagnetic spectrum that is visible to the human eye
Colors containing only one wavelength are also called pure colors or spectral colors. Visible wavelengths pass largely unattenuated through the Earth's
Visible_spectrum
Norm on a vector space of matrices
vectors), the induced matrix norm is the spectral norm. The spectral norm should not be confused with the spectral radius. The two values do not coincide
Matrix_norm
Computer graphics rendering technique
In computer graphics, spectral rendering is a technique in which a scene's light transport is modeled with real wavelengths. This process is typically
Spectral_rendering
Camouflage designed to work at multiple frequencies, not just visible light
Multi-spectral camouflage is the use of counter-surveillance techniques to conceal objects from detection across several parts of the electromagnetic spectrum
Multi-spectral_camouflage
Range of frequencies or wavelengths of electromagnetic radiation
radiation Optical window Ozone layer Radiant energy Radiation Radio window Spectral imaging Spectroscopy V band W band Mehta, Akul (25 August 2011). "Introduction
Electromagnetic_spectrum
Topics referred to by the same term
Spectral Evidence may refer to: Spectral evidence, a form of legal evidence based upon the testimony of those who claim to have experienced visions Spectral
Spectral_Evidence
Spectral sequence
homological algebra, the Grothendieck spectral sequence, introduced by Alexander Grothendieck in his Tôhoku paper, is a spectral sequence that computes the derived
Grothendieck spectral sequence
Grothendieck_spectral_sequence
The log-spectral distance (LSD), also referred to as log-spectral distortion or root mean square log-spectral distance, is a distance measure between
Log-spectral_distance
dynamical systems, a spectral submanifold (SSM) is the unique smoothest invariant manifold serving as the nonlinear extension of a spectral subspace of a linear
Spectral_submanifold
Measure used in digital signal processing to characterize an audio spectrum
Spectral flatness or tonality coefficient, also known as Wiener entropy, is a measure used in digital signal processing to characterize an audio spectrum
Spectral_flatness
Spectral density estimation method
Maximum entropy spectral estimation is a method of spectral density estimation. The goal is to improve the spectral quality based on the principle of
Maximum entropy spectral estimation
Maximum_entropy_spectral_estimation
2005 video game
Spectral Souls II (新紀幻想スペクトラルソウルズII, Shinki Gensou Spectral Souls II) is a tactical role playing game developed by Idea Factory and released for the PlayStation
Spectral Souls: Resurrection of the Ethereal Empires
Spectral_Souls:_Resurrection_of_the_Ethereal_Empires
Concept in wave optics
Free spectral range (FSR) is the spacing in optical frequency or wavelength between two successive reflected or transmitted optical intensity maxima or
Free_spectral_range
Multi-wavelength imaging method
identifying materials, or detecting processes. There are three general types of spectral imagers. There are push broom scanners and the related whisk broom scanners
Hyperspectral_imaging
2006 video game
Spectral Force 3: Innocent Rage is a tactical role-playing game developed by Idea Factory for the Xbox 360. Innocent Rage, like the previous PlayStation
Spectral_Force_3
Power spectrum of a noise signal
names, such as pink, red, and blue were then given to noise with other spectral profiles, often (but not always) in reference to the color of light with
Colors_of_noise
Multidimension spectral estimation is a generalization of spectral estimation, normally formulated for one-dimensional signals, to multidimensional signals
Multidimensional spectral estimation
Multidimensional_spectral_estimation
Mathematical sequence
In mathematics, the Leray spectral sequence was a pioneering example in homological algebra, introduced in 1946 by Jean Leray. It is usually seen nowadays
Leray_spectral_sequence
Stellar classification
A G-type main-sequence star is a main-sequence star of spectral type G. The spectral luminosity class is V. Such a star has about 0.9 to 1.1 solar masses
G-type_main-sequence_star
SPECTRAL
SPECTRAL
SPECTRAL
SPECTRAL
Girl/Female
Tamil
Moksha
Girl/Female
Australian, Japanese
Child of Sae
Surname or Lastname
Dutch and North German (Hülse)
Dutch and North German (Hülse) : topographic name for someone who lived where holly grew, Middle Low German huls, hüls.English (mainly Lancashire) : habitational name from a place in Cheshire, recorded in the mid 13th century in the forms Holes, Holis, and Holys. This probably represents a Middle English plural of Old English holh ‘hollow’, ‘depression’ (see Hole).
Male
Arthurian
, (sword of the castle of Lys); a knight of the Round Table.
Girl/Female
Arabic, Muslim
Made of Silk
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Strong; Stung
Girl/Female
Spanish
Female
English
Variant spelling of Italian Rosanna, ROSANNAH means "rose of grace."
Surname or Lastname
English
English : variant spelling of Searles.
Boy/Male
Egyptian
Saint.
SPECTRAL
SPECTRAL
SPECTRAL
SPECTRAL
SPECTRAL
adv.
In the form or manner of a specter.
n.
The tarsius, or spectral lemur.
n.
A genus of nocturnal lemurine mammals having very large eyes and ears, a long tail, and very long proximal tarsal bones; -- called also malmag, spectral lemur, podji, and tarsier.
a.
Of or pertaining to a specter; ghosty.
n.
An optical instrument for forming and examining spectra (as that of solar light, or those produced by flames in which different substances are volatilized), so as to determine, from the position of the spectral lines, the composition of the substance.
a.
Pertaining to, of the nature of, or resembling, a phantasm; spectral; illusive.
a.
Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.
a.
Pertaining to an apparition or to apparitions; spectral.