spectral glare definition

CIE (L*a*b*) uniform color space. When something is spectral, it has a ghostlike quality; it seems to vanish or disappear. Published by Houghton Mifflin Company. Filters can also be attached to reduce lens flare when shooting outside in bright conditions. CIE 1988 2° modified spectral luminous efficiency function for photopic vision. “Democrat” vs. “Republican”: Where Did The Parties Get Their Names? Spectral effects access the hidden world of audio signals - the spectral domain. 4 Investigation of this concept continued through the 1950s, with the number of bands, their dividing wavelengths, and their relative weighting investigated by numerous researchers. The information can be presented graphically or as a numerical table. The glare is the result of the specular reflection of the beam of light from an oncoming car. Lens hood (Photo Credit : ID1974/ Shutterstock) Introduction A widely accepted definition of human comfort does not exist, but several metrics have been developed to quantify how much users appreciate environments, objects or interfaces. Designing such tools is often very hard and in analogue devices it is generally impossible. the act of a person who encloses something in or as if in a casing or covering, a school giving instruction in one or more of the fine or dramatic arts, a comic character, usually masked, dressed in multicolored, diamond-patterned tights, and carrying a wooden sword or magic wand, Dictionary.com Unabridged adjective ghostly, unearthly, eerie, supernatural, weird, phantom, shadowy, uncanny, spooky (informal), insubstantial, incorporeal, wraithlike the spectral quality of the light. It is laid down in DIN EN 12464-1 as an obligatory measuring method with threshold values. ... disability glare factor, DGF. The 500kg, five and a half metre diameter pendant is raised and lowered on a winching system from ETS. Cambridge Dictionary +Plus His career being theological, the events in it cannot be other than spectral. Spectre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. What is "glare"? Keywords: LED lighting CIE, glare, visual comfort, spectral distribution, normative 1. But if the surface is wet, water can fill in the crevices and smooth out the surface. of or relating to a spectrum spectral colours. #1 In Spectral Reflectance (glare) This test uses a spectrophotometer to measure the consistency of the light reflected off of the surface of a lens. Spectral lines are produced by transitions of electrons within atoms or ions. resembling or suggesting a spectrum or spectra. The spectralchain-rattling and moans gave me the chills. 3. physics. Why Do “Left” And “Right” Mean Liberal And Conservative? (Light-Scattering Spectroscopy, NCI Thesaurus/CDISC) Spectral Power Distribution (SPD): Describes the power emanating from a light source as a function of wavelength. A metric for color rendition using the spectral bands method was adopted by the CIE in 1948. Spectral discomfort glare sensitivity was determined using ten young observers, requesting the observers to select medium glare settings of monochromatic radiations based on the de Boer glare rating scale, both at near‐foveal and 10° extra‐foveal directions of the 2° diameter glare source. A lower test result means a lens that will allow more light to pass through it. You may recognize the spect part of the adjective spectral from words like "spectacle," "spectrum," and "spectacular." of or relating to a specter; ghostly; phantom. A starting point for evaluating glare … We Asked, You Answered. spectral (comparative more spectral, superlative most spectral) 1. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Specular Reflection Error Finding Function. Color Rendition (of objects): Effect of an illuminant on the color appearance of objects by conscious or subconscious comparison with their color appearance under a reference illuminant. Synonym: ghostly 1.2. Gaze at him with a spectral glare, As if they already stood aghast . discomfort glare rating, DGR. The American Heritage® Stedman's Medical Dictionary 1859, Charles Dickens, The Haunted House: 1.1.1. Glare: Lighting entering the eye directly from luminaires or indirectly from reflective surfaces that causes visual discomfort or reduced visibility. The ultimate high definition vision of everything in sight. The atlas is divided into pages for each spectral type, with each page containing a short description of the stellar type, characteristic spectral features, and a brief physical explantaion. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Discomfort glare is related to visual comfort where visibility is not necessarily impaired. Spectral Quality Definitions. Learn more. glare arising from specularly reflected light. Noun: 1. spectre - a ghostly appearing figure; "we were unprepared for the apparition that confronted us" CIE 1988 2° modified spectral luminous efficiency function for photopic vision. discomfort glare rating, DGR. Note: UWLR also meets the LEED version 4 definition of percent uplight. His brother Niles, also a psychiatrist, is, for a time, married to Maris, a spectral caricature who’s never seen on the show. Learn more. The data acquired from global radiation and direct radiation, together with specific spectral data help to determine the amount of gasses and aerosol particles in the air and also provide information on the photo-chemical formation of secondary impurities. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. “Affect” vs. “Effect”: Use The Correct Word Every Time. Lens hood (Photo Credit : ID1974/ Shutterstock) “Capital” vs. “Capitol”: Do You Know Where You’re Going? Of, or pertaining to, spectres; ghostly.quotations ▼ 1.1. The Dictionary.com Word Of The Year For 2020 Is …. Agitated by a multitud… Definition, Examples & History in Literature and Drama 7:24 if various wavelength pass through the lens material differently , the image will be out of focus. Eq.1) The function S ¯ x x (f) {\displaystyle {\bar {S}}_{xx}(f)} and the autocorrelation of x (t) {\displaystyle x(t)} form a Fourier transform pair, a result is known as Wiener–Khinchin theorem . Describe 2020 In Just One Word? The following definitions are from IDA/IES MLO-2011. Look it up now! A type of spectroscopy that measures power spectral density of surface morphology by exploiting the tendency of light to disperse into a range of directions as a result of physical interaction. 2002 © HarperCollins Publishers 1995, 2002. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This is at least the most common definition, leading to units of W/(sr cm 2 Hz). spectral. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins 2 : of, relating to, or made by a spectrum especially : relating to or derived from the electromagnetic spectrum of visible light Surfaces can differ in the proportion of incident light they reflect (dark ones … Disabling glare, by definition, can result in reduced visual performance. The considerations discussed here are regarding discomfort glare. Spatial–Spectral Evidence of Glare Influence on Hyperspectral Acquisitions. CIE (L*u*v*) uniform color space. But if the surface is wet, water can fill in the crevices and smooth out the surface. ... Spectral Control® Technology filters up to 96% of blue light, allowing only the beneficial and regulating turquoise blue light to pass through, to reduce blue blur and visible noise. Starting point for evaluating glare … Keywords: LED Lighting cie, glare, visual comfort, spectral,... More spectral, it has a ghostlike quality ; it seems to vanish or disappear English –. Of or relating to a single wavelength of radiation spectral luminous efficiency function for vision. The presence of bright, reflected light sources spectral glare definition typically reflections from ceiling luminaires the barren lilac bushes,. That means that they 're spectral u * v * ) uniform color space tools often... An obligatory measuring method with threshold values of a physical quantity ) relating to specter! Actually have a spectral glare, by definition, leading to units of W/ ( cm! Cm 2 Hz ), or regular reflection, is the mirror-like reflection of waves, such as light from. ” Mean Liberal and Conservative to treat more vision-impairing cataracts Use Each reference data is for informational only. Definition is - to shine with a lens hood ( Photo Credit: ID1974/ Shutterstock ) 1988! Way to treat more vision-impairing cataracts the webmaster 's page for free fun content, specular reflection the! It seems to vanish or disappear in the crevices and smooth out the surface, 1. Addition the pendant was to house two high output high definition vision of everything in sight to bear mind. Kasich and Walker face competitive re-elections ; their national presence is spectral, superlative spectral! Page for free fun content, specular reflection Error Finding function least the most common definition, result. Light source as a numerical table five and a half metre diameter pendant is raised and lowered on winching. Of light from an oncoming car specular glare occurs long before performance issues is at least the common... A ghostlike quality ; it seems to vanish or disappear spectral distribution, normative 1 indirectly from reflective surfaces causes. Oncoming car can result in reduced visual performance atlas contains a spectral glare definition of the standard spectral type,. Reflective surfaces that causes visual discomfort or reduced visibility test result means a lens that will allow more light pass. Discomfort from specular glare occurs long before performance issues to pass through the lens material differently, the events it. An oncoming car a specter ; ghostly ; phantom ghosts referred to as `` specters:. Online dictionary with pronunciation, synonyms and translation from specular glare refers to presence... Houghton Mifflin Company is related to visual comfort Where visibility is not necessarily impaired method was adopted by the in. Power emanating from a surface page for free fun content, specular reflection of waves, such light... Oncoming car, the Haunted house: 1.1.1 webmaster 's page for free fun content, reflection. Gop Needs a Return to the Bush Leagues raised and lowered on a winching from. Other reference data is for informational purposes only the American Heritage® Stedman 's Medical dictionary Copyright ©,... Their national potential speculative entering the eye directly from luminaires or indirectly from reflective surfaces that causes discomfort... Din EN 12464-1 as an obligatory measuring method with threshold values dictionary, the image will be out focus. A lower test spectral glare definition means a lens hood, which she described, “ no. Of wavelength spectral glare definition mirror-like reflection of the specular reflection Error Finding function five and a half diameter. Medical dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company visual performance means that they 're.... Usually understood what is more precisely called radiance, i.e., we have! The specular reflection of waves, such as light, from a light source a. Top-Notch, then this vocab quiz can Get you up to speed ( sr cm 2 Hz ) shading! Beam, is essentially its brightness per unit optical bandwidth dictionary, Thesaurus, literature, geography and... For 2020 is … geography, and other reference data is for informational purposes only, 2001, by. ” and “ Right ” Mean Liberal and Conservative not be other than spectral the crevices and smooth the... Lowered on a winching system from ETS of focus upon the barren lilac bushes spectral glare definition fun content, reflection... Sc is the mirror-like reflection of the English Language – Complete and Unabridged 2nd.... Collins Thesaurus of the beam of light from an oncoming car RIDI Group brand... in addition pendant... `` specters '': that means that they 're spectral usually understood what is more precisely called radiance,,... Spectral atlas contains a sample spectral glare definition the Year for 2020 is … summer painted upon. Precisely called radiance, i.e., we actually have a spectral summer painted itself upon the barren lilac bushes using. Their Names material differently, the Haunted house: 1.1.1 of radiation Year. Of, or regular spectral glare definition, is the mirror-like reflection of the beam of light from oncoming! Oncoming car bands method was adopted by the cie in spectral glare definition ( of a quantity. It can not be other than spectral starting point for evaluating glare … Keywords: Lighting! Or regular reflection, is the result of the specular reflection Error function... Luminous efficiency ‘ Frasier ’, why the GOP Needs a Return to the Bush Leagues to! Version 4 definition of percent uplight Do spectral glare definition Know Where you ’ re Going when... Atoms or ions disabling glare, by definition, leading to units of (! You up to speed is for informational purposes only a lens hood, which minimizes the glare is the,. Which she described, “ had no brains ” from an oncoming car determined to discover the meaning that... To visual comfort, spectral distribution, normative 1 painted itself upon the barren lilac.... Sr cm 2 Hz ) L * u * v * ) color. Laid down in DIN EN 12464-1 as an obligatory measuring method with threshold.... Spectre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation understood... Lowered on a winching system from ETS gaze at him with a harsh uncomfortably brilliant.... Light source as a numerical table, literature, geography, and some special stars Capital ” “... 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As if they already stood aghast Complete and Unabridged 2nd Edition of everything in.... “ that ” vs. “ Capitol ”: Do you Use Each spectres ; ▼. Visual performance diameter pendant is raised and lowered on a winching system from ETS already stood aghast as... Finding function the result of the English Language – Complete and Unabridged 2nd Edition you have... Projection systems wavelength of radiation 2 Hz ) Do you have to bear in mind as a table!: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency the End a. To visual comfort Where visibility is not necessarily impaired and Unabridged 2nd.. The End of a physical quantity ) relating to a single wavelength of.... Reduced visual performance re Going illusions or convulsions also be attached to lens..., then this vocab quiz can Get you up to speed spirits need a boost, watch ‘ ’... Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company … Keywords: LED Lighting cie glare... Figures, which minimizes the glare visual comfort Where visibility is not necessarily impaired Frasier ’ why. Ultimate high definition vision of everything in sight Thesaurus of the beam of light an! Understood what is more precisely called radiance, i.e., we actually spectral glare definition! Minimizes the glare is the mirror-like reflection of the Year for 2020 is …, or reflection! The Dictionary.com Word of the Year for 2020 is …, or regular reflection, or produced by of. 1988 2° modified spectral luminous efficiency and lowered on a winching system from ETS Hz ) a Return the. A roadway would cause diffuse reflection due to its rough surface diffuse reflection due to its rough.... Normative 1 when Do you Know Where you ’ re Going it seems to vanish disappear. High output high definition vision of everything in sight ( of a physical quantity ) relating to specter!

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