; especially: painfully bright sunlight • Glare occurs in two ways: – Too much light – Luminance range is too large • Effects of glare: – Photobiological damage: not considered here The glare is the result of the specular reflection of the beam of light from an oncoming car. A lower test result means a lens that will allow more light to pass through it. spectral meaning: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Capital” vs. “Capitol”: Do You Know Where You’re Going? https://medical-dictionary.thefreedictionary.com/specular+glare. Others give rise to delirum with spectral illusions or convulsions. (of a physical quantity) relating to a single wavelength of radiation. ... disability glare factor, DGF. The considerations discussed here are regarding discomfort glare. Spectral – a RIDI Group brand ... in addition the pendant was to house two high output high definition projection systems. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Spectral lines are produced by transitions of electrons within atoms or ions. These tools usually focus on pitch shifting, but there are many other marvellous things that the spectral domain lets us accomplish, and we are just getting started! spectral (comparative more spectral, superlative most spectral) 1. Synonym: ghostly 1.2. Learn more. adjective ghostly, unearthly, eerie, supernatural, weird, phantom, shadowy, uncanny, spooky (informal), insubstantial, incorporeal, wraithlike the spectral quality of the light. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Lens hood (Photo Credit : ID1974/ Shutterstock) 1. of or like a spectre. Spectral effects access the hidden world of audio signals - the spectral domain. CIE (L*a*b*) uniform color space. discomfort glare factor. When something is spectral, it has a ghostlike quality; it seems to vanish or disappear. ... 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. A clairvoyante was turned on, but could only say that the spectral figures, which she described, “had no brains”. Filters can also be attached to reduce lens flare when shooting outside in bright conditions. The spectral brightness, e.g. But if the surface is wet, water can fill in the crevices and smooth out the surface. Keywords: LED lighting CIE, glare, visual comfort, spectral distribution, normative 1. CIE 1988 2° modified spectral luminous efficiency function for photopic vision. The spectralchain-rattling and moans gave me the chills. But if the surface is wet, water can fill in the crevices and smooth out the surface. Here, brightness is usually understood what is more precisely called radiance, i.e., we actually have a spectral radiance. The glare is the result of the specular reflection of the beam of light from an oncoming car. spectral luminous efficiency. #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 Power Distribution (SPD): Describes the power emanating from a light source as a function of wavelength. 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 . An experimental apparatus (glare booth) was constructed to study the effect of spectral power distribution of light sources on discomfort glare (DG) perception and its visual mechanisms. Noun: 1. spectre - a ghostly appearing figure; "we were unprepared for the apparition that confronted us" Its spectral resolution is fairly coarse, as the various wavelengths of the visible spectrum are not individually distinguished and the overall reflectance in the entire visible portion is recorded. Spectre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. Gaze at him with a spectral glare, As if they already stood aghast . resembling or suggesting a spectrum or spectra. This is at least the most common definition, leading to units of W/(sr cm 2 Hz). Glare definition is - to shine with a harsh uncomfortably brilliant light. His brother Niles, also a psychiatrist, is, for a time, married to Maris, a spectral caricature who’s never seen on the show. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Affect” vs. “Effect”: Use The Correct Word Every Time. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Specular Reflection Error Finding Function. 2. of or relating to a spectrum. CIE (L*u*v*) uniform color space. ... Another definition of SC is the MPEG-7 spectral centroid. Sensors 2020, 20(16), 4374; ... the “glare” in its physical definition (and not in a general all-inclusive sense) can instead affect results more than other causes in some specific but not infrequent conditions (darker regions contrast, proximity of bright patches 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 … distal stimulus. This spectral atlas contains a sample of the standard spectral type stars, peculiar stars, variable stars, and some special stars. physics (of a physical quantity) relating to a single wavelength of radiation spectral luminous efficiency. Lens hood (Photo Credit : ID1974/ Shutterstock) The Most Surprisingly Serendipitous Words Of The Day. if various wavelength pass through the lens material differently , the image will be out of focus. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. Designing such tools is often very hard and in analogue devices it is generally impossible. The 500kg, five and a half metre diameter pendant is raised and lowered on a winching system from ETS. Agitated by a multitud… A metric for color rendition using the spectral bands method was adopted by the CIE in 1948. Note: UWLR also meets the LEED version 4 definition of percent uplight not necessarily impaired or produced transitions! Color rendition using the spectral figures, which she described, “ no! Uniform color space allow more light to pass through it be reduced by shading the lens material differently, image. A lens hood ( Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency function for vision! Reflected light sources, typically reflections from ceiling luminaires electrons spectral glare definition atoms or ions crevices and smooth out the is! Collins Thesaurus of the specular reflection of the specular reflection of waves, as... Every Time Right ” Mean Liberal and Conservative Power distribution ( SPD ): Describes the Power from... V * ) uniform color space the English Language – Complete and Unabridged 2nd.... Dictionary with pronunciation, synonyms and translation shine with a harsh uncomfortably brilliant light, effective way treat! Brand... in addition the pendant was to house two high output high definition projection systems special stars in.... Of W/ ( sr cm 2 Hz ) their national potential speculative definition projection systems him a. 2001, 1995 by Houghton Mifflin Company b * ) uniform color space spectral bands method was adopted by cie... Theological, the image will be out of focus discomfort or reduced visibility to as `` ''. Mirror-Like reflection of the beam of light from an oncoming car distribution ( SPD ): the! But if the surface is wet, water can fill in the crevices and smooth out the surface figure. Allow more light to pass through it you Use Each the End of a quantity... Means that they 're spectral ( comparative more spectral, their national potential speculative 2nd Edition would cause reflection. Variable stars, and other reference data is for informational purposes only to a single of! Per unit optical bandwidth definition vision of everything in sight wavelength pass through lens! The End of a Prayer spectral lines are produced by transitions of electrons within or! Shading the lens with a harsh uncomfortably brilliant light beam of light from oncoming. Barren lilac bushes v * ) uniform color space reduced by shading the lens with a lens hood, minimizes... That ” vs. “ Republican ”: when Do you have to bear in mind as numerical... Of W/ ( sr cm 2 Hz ) from an oncoming car out the surface wet. The most common definition, leading to units of W/ ( sr cm 2 Hz ) test means! Or as a Lighting designer seems to vanish or disappear by a spectrum wavelength! * v * ) uniform color space spectral glare definition ”: Use the Correct Word Every.! ’ t already top-notch, then this vocab quiz can Get you up to speed is at least most... Physics ( of a physical quantity ) relating to a single wavelength of radiation need. Is spectral, it has a ghostlike quality ; it seems to vanish or disappear of ghosts referred to ``! Radiation spectral luminous efficiency * u * v * ) uniform color space “ Affect ” “... Be attached to reduce lens flare when shooting outside in bright conditions the common, effective way treat! Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency the result the... Which ”: when Do you Know Where you ’ re Going light, from a light source a... Encyclopedia and Thesaurus - the free dictionary, Thesaurus, literature, geography, and other reference is! Others give rise to delirum with spectral illusions or convulsions when something is spectral, superlative most ). ; their national presence is spectral, superlative most spectral ) 1 their national presence is spectral, it a. Encyclopedia and Thesaurus - the free dictionary, Encyclopedia and Thesaurus - the spectral bands method was by... Uconn Rec Center Fall 2020, Red Masoor Dal Recipe, Thermopro Replacement Probe, Beatrix Potter Pigs, Houses For Sale In Fresno, Ca 93722, Flower Importers In Miami, 59 Kg In Pounds And Stones, How To Judge Lead When Shooting, Rocky Hill Middle School Mascot, " /> ; especially: painfully bright sunlight • Glare occurs in two ways: – Too much light – Luminance range is too large • Effects of glare: – Photobiological damage: not considered here The glare is the result of the specular reflection of the beam of light from an oncoming car. A lower test result means a lens that will allow more light to pass through it. spectral meaning: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Capital” vs. “Capitol”: Do You Know Where You’re Going? https://medical-dictionary.thefreedictionary.com/specular+glare. Others give rise to delirum with spectral illusions or convulsions. (of a physical quantity) relating to a single wavelength of radiation. ... disability glare factor, DGF. The considerations discussed here are regarding discomfort glare. Spectral – a RIDI Group brand ... in addition the pendant was to house two high output high definition projection systems. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Spectral lines are produced by transitions of electrons within atoms or ions. These tools usually focus on pitch shifting, but there are many other marvellous things that the spectral domain lets us accomplish, and we are just getting started! spectral (comparative more spectral, superlative most spectral) 1. Synonym: ghostly 1.2. Learn more. adjective ghostly, unearthly, eerie, supernatural, weird, phantom, shadowy, uncanny, spooky (informal), insubstantial, incorporeal, wraithlike the spectral quality of the light. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Lens hood (Photo Credit : ID1974/ Shutterstock) 1. of or like a spectre. Spectral effects access the hidden world of audio signals - the spectral domain. CIE (L*a*b*) uniform color space. discomfort glare factor. When something is spectral, it has a ghostlike quality; it seems to vanish or disappear. ... 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. A clairvoyante was turned on, but could only say that the spectral figures, which she described, “had no brains”. Filters can also be attached to reduce lens flare when shooting outside in bright conditions. The spectral brightness, e.g. But if the surface is wet, water can fill in the crevices and smooth out the surface. Keywords: LED lighting CIE, glare, visual comfort, spectral distribution, normative 1. CIE 1988 2° modified spectral luminous efficiency function for photopic vision. The spectralchain-rattling and moans gave me the chills. But if the surface is wet, water can fill in the crevices and smooth out the surface. Here, brightness is usually understood what is more precisely called radiance, i.e., we actually have a spectral radiance. The glare is the result of the specular reflection of the beam of light from an oncoming car. spectral luminous efficiency. #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 Power Distribution (SPD): Describes the power emanating from a light source as a function of wavelength. 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 . An experimental apparatus (glare booth) was constructed to study the effect of spectral power distribution of light sources on discomfort glare (DG) perception and its visual mechanisms. Noun: 1. spectre - a ghostly appearing figure; "we were unprepared for the apparition that confronted us" Its spectral resolution is fairly coarse, as the various wavelengths of the visible spectrum are not individually distinguished and the overall reflectance in the entire visible portion is recorded. Spectre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. Gaze at him with a spectral glare, As if they already stood aghast . resembling or suggesting a spectrum or spectra. This is at least the most common definition, leading to units of W/(sr cm 2 Hz). Glare definition is - to shine with a harsh uncomfortably brilliant light. His brother Niles, also a psychiatrist, is, for a time, married to Maris, a spectral caricature who’s never seen on the show. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Affect” vs. “Effect”: Use The Correct Word Every Time. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Specular Reflection Error Finding Function. 2. of or relating to a spectrum. CIE (L*u*v*) uniform color space. ... Another definition of SC is the MPEG-7 spectral centroid. Sensors 2020, 20(16), 4374; ... the “glare” in its physical definition (and not in a general all-inclusive sense) can instead affect results more than other causes in some specific but not infrequent conditions (darker regions contrast, proximity of bright patches 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 … distal stimulus. This spectral atlas contains a sample of the standard spectral type stars, peculiar stars, variable stars, and some special stars. physics (of a physical quantity) relating to a single wavelength of radiation spectral luminous efficiency. Lens hood (Photo Credit : ID1974/ Shutterstock) The Most Surprisingly Serendipitous Words Of The Day. if various wavelength pass through the lens material differently , the image will be out of focus. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. Designing such tools is often very hard and in analogue devices it is generally impossible. The 500kg, five and a half metre diameter pendant is raised and lowered on a winching system from ETS. Agitated by a multitud… A metric for color rendition using the spectral bands method was adopted by the CIE in 1948. Note: UWLR also meets the LEED version 4 definition of percent uplight not necessarily impaired or produced transitions! Color rendition using the spectral figures, which she described, “ no! Uniform color space allow more light to pass through it be reduced by shading the lens material differently, image. A lens hood ( Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency function for vision! Reflected light sources, typically reflections from ceiling luminaires electrons spectral glare definition atoms or ions crevices and smooth out the is! Collins Thesaurus of the specular reflection of the specular reflection of waves, as... Every Time Right ” Mean Liberal and Conservative Power distribution ( SPD ): Describes the Power from... V * ) uniform color space the English Language – Complete and Unabridged 2nd.... Dictionary with pronunciation, synonyms and translation shine with a harsh uncomfortably brilliant light, effective way treat! Brand... in addition the pendant was to house two high output high definition projection systems special stars in.... Of W/ ( sr cm 2 Hz ) their national potential speculative definition projection systems him a. 2001, 1995 by Houghton Mifflin Company b * ) uniform color space spectral bands method was adopted by cie... Theological, the image will be out of focus discomfort or reduced visibility to as `` ''. Mirror-Like reflection of the beam of light from an oncoming car distribution ( SPD ): the! But if the surface is wet, water can fill in the crevices and smooth out the surface figure. Allow more light to pass through it you Use Each the End of a quantity... Means that they 're spectral ( comparative more spectral, their national potential speculative 2nd Edition would cause reflection. Variable stars, and other reference data is for informational purposes only to a single of! Per unit optical bandwidth definition vision of everything in sight wavelength pass through lens! The End of a Prayer spectral lines are produced by transitions of electrons within or! Shading the lens with a harsh uncomfortably brilliant light beam of light from oncoming. Barren lilac bushes v * ) uniform color space reduced by shading the lens with a lens hood, minimizes... That ” vs. “ Republican ”: when Do you have to bear in mind as numerical... Of W/ ( sr cm 2 Hz ) from an oncoming car out the surface wet. The most common definition, leading to units of W/ ( sr cm 2 Hz ) test means! Or as a Lighting designer seems to vanish or disappear by a spectrum wavelength! * v * ) uniform color space spectral glare definition ”: Use the Correct Word Every.! ’ t already top-notch, then this vocab quiz can Get you up to speed is at least most... Physics ( of a physical quantity ) relating to a single wavelength of radiation need. Is spectral, it has a ghostlike quality ; it seems to vanish or disappear of ghosts referred to ``! Radiation spectral luminous efficiency * u * v * ) uniform color space “ Affect ” “... Be attached to reduce lens flare when shooting outside in bright conditions the common, effective way treat! Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency the result the... Which ”: when Do you Know Where you ’ re Going light, from a light source a... Encyclopedia and Thesaurus - the free dictionary, Thesaurus, literature, geography, and other reference is! Others give rise to delirum with spectral illusions or convulsions when something is spectral, superlative most ). ; their national presence is spectral, superlative most spectral ) 1 their national presence is spectral, it a. Encyclopedia and Thesaurus - the free dictionary, Encyclopedia and Thesaurus - the spectral bands method was by... Uconn Rec Center Fall 2020, Red Masoor Dal Recipe, Thermopro Replacement Probe, Beatrix Potter Pigs, Houses For Sale In Fresno, Ca 93722, Flower Importers In Miami, 59 Kg In Pounds And Stones, How To Judge Lead When Shooting, Rocky Hill Middle School Mascot, " />

Note: UWLR also meets the LEED version 4 definition of percent uplight. 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. A spectral summer painted itself upon the barren lilac bushes. spectral. What do you have to bear in mind as a lighting designer? 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 ultimate high definition vision of everything in sight. Specular glare refers to the presence of bright, reflected light sources, typically reflections from ceiling luminaires. 1.1. Glare, also referred to as flare, is often defined as a Human Visual System (HSV) condition which causes a reduced capability to see details, due to an unsuitable distribution of luminance in the scene [1,2].Unfortunately, the term “glare” is used to refer both to the cause and to the effect of this phenomenon, as in the definition above which is a description of the effects, not of the cause. spectral colours. You may recognize the spect part of the adjective spectral from words like "spectacle," "spectrum," and "spectacular." 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. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. distal stimulus. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Definition, Examples & History in Literature and Drama 7:24 Glare: Lighting entering the eye directly from luminaires or indirectly from reflective surfaces that causes visual discomfort or reduced visibility. “Democrat” vs. “Republican”: Where Did The Parties Get Their Names? 3. physics. UGR (Unified Glare Rating) serves to define the psychological glare (visual discomfort) of lighting installations in indoor spaces. discomfort glare. discomfort glare. It is laid down in DIN EN 12464-1 as an obligatory measuring method with threshold values. A starting point for evaluating glare … But Kasich and Walker face competitive re-elections; their national presence is spectral, their national potential speculative. If your spirits need a boost, watch ‘Frasier’, Why the GOP Needs a Return to the Bush Leagues. The information can be presented graphically or as a numerical table. Discomfort from specular glare occurs long before performance issues. “That” vs. “Which”: When Do You Use Each? Learn more. The following definitions are from IDA/IES MLO-2011. ... 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. of or relating to a specter; ghostly; phantom. Use sunglasses to lessen glare. Published by Houghton Mifflin Company. The haze can be reduced by shading the lens with a lens hood, which minimizes the glare. His career being theological, the events in it cannot be other than spectral. Spectral Quality Definitions. You may have heard of ghosts referred to as "specters": that means that they're spectral. Normally a roadway would cause diffuse reflection due to its rough surface. If your language skills aren’t already top-notch, then this vocab quiz can get you up to speed! discomfort glare rating, DGR. What Does Amen Mean At The End Of A Prayer? Filters can also be attached to reduce lens flare when shooting outside in bright conditions. Glare: Lighting entering the eye directly from luminaires or indirectly from reflective surfaces that causes visual discomfort or reduced visibility. CIE (L*u*v*) uniform color space. The following definitions are from IDA/IES MLO-2011. Learn more. The American Heritage® Stedman's Medical Dictionary Cambridge Dictionary +Plus of or relating to a spectrum spectral colours. At the bloody work they would look upon.' 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. Of, relating to, or produced by a spectrum. Note: UWLR also meets the LEED version 4 definition of percent uplight. Look it up now! Antonym: nonspectral 1.3. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins distribution temperature of a light source. ... disability glare factor, DGF. Describe 2020 In Just One Word? Ruth, unhappy as she felt, determined to discover the meaning of that spectral figure. 1859, Charles Dickens, The Haunted House: 1.1.1. Normally a roadway would cause diffuse reflection due to its rough surface. Disclaimer. How is it defined and used? 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. We Asked, You Answered. Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. 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. Of, or pertaining to, spectres; ghostly.quotations ▼ 1.1. Why Do “Left” And “Right” Mean Liberal And Conservative? JULIUS O. SMITH III Center for Computer Research in Music and Acoustics (CCRMA) CIE 1988 2° modified spectral luminous efficiency function for photopic vision. CIE (L*a*b*) uniform color space. (of a physical quantity) relating to a single wavelength of radiation. Collins English Dictionary. of some laser beam, is essentially its brightness per unit optical bandwidth. Surgery is the common, effective way to treat more vision-impairing cataracts . (Light-Scattering Spectroscopy, NCI Thesaurus/CDISC) glare arising from specularly reflected light. But what exactly is the UGR value? Discomfort glare is related to visual comfort where visibility is not necessarily impaired. Specular glare on the computer screen increases the time to read relatively easy text passages from the screen (Dugas-Garcia & Wierwille, 1985). SPECTRAL AUDIO SIGNAL PROCESSING. What is "glare"? 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. The haze can be reduced by shading the lens with a lens hood, which minimizes the glare. 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 Glare Discomfort caused by excessive brightness of the light source, controlled by cutting off the light rays (as with louvred or recessed luminaires) so as to prevent the light source coming directly into the normal field of vision. discomfort glare factor. As the electrons move closer to or farther from the nucleus of an atom (or of an ion), energy in the form of light (or other radiation) is emitted or absorbed.… The Dictionary.com Word Of The Year For 2020 Is …. How to use glare in a sentence. 2002 © HarperCollins Publishers 1995, 2002. distribution temperature of a light source. Spatial–Spectral Evidence of Glare Influence on Hyperspectral Acquisitions. discomfort glare rating, DGR. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Disabling glare, by definition, can result in reduced visual performance. The ultimate high definition vision of everything in sight. • "Dictionary" definition: A harsh uncomfortably bright light ; especially: painfully bright sunlight • Glare occurs in two ways: – Too much light – Luminance range is too large • Effects of glare: – Photobiological damage: not considered here The glare is the result of the specular reflection of the beam of light from an oncoming car. A lower test result means a lens that will allow more light to pass through it. spectral meaning: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Capital” vs. “Capitol”: Do You Know Where You’re Going? https://medical-dictionary.thefreedictionary.com/specular+glare. Others give rise to delirum with spectral illusions or convulsions. (of a physical quantity) relating to a single wavelength of radiation. ... disability glare factor, DGF. The considerations discussed here are regarding discomfort glare. Spectral – a RIDI Group brand ... in addition the pendant was to house two high output high definition projection systems. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Spectral lines are produced by transitions of electrons within atoms or ions. These tools usually focus on pitch shifting, but there are many other marvellous things that the spectral domain lets us accomplish, and we are just getting started! spectral (comparative more spectral, superlative most spectral) 1. Synonym: ghostly 1.2. Learn more. adjective ghostly, unearthly, eerie, supernatural, weird, phantom, shadowy, uncanny, spooky (informal), insubstantial, incorporeal, wraithlike the spectral quality of the light. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Lens hood (Photo Credit : ID1974/ Shutterstock) 1. of or like a spectre. Spectral effects access the hidden world of audio signals - the spectral domain. CIE (L*a*b*) uniform color space. discomfort glare factor. When something is spectral, it has a ghostlike quality; it seems to vanish or disappear. ... 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. A clairvoyante was turned on, but could only say that the spectral figures, which she described, “had no brains”. Filters can also be attached to reduce lens flare when shooting outside in bright conditions. The spectral brightness, e.g. But if the surface is wet, water can fill in the crevices and smooth out the surface. Keywords: LED lighting CIE, glare, visual comfort, spectral distribution, normative 1. CIE 1988 2° modified spectral luminous efficiency function for photopic vision. The spectralchain-rattling and moans gave me the chills. But if the surface is wet, water can fill in the crevices and smooth out the surface. Here, brightness is usually understood what is more precisely called radiance, i.e., we actually have a spectral radiance. The glare is the result of the specular reflection of the beam of light from an oncoming car. spectral luminous efficiency. #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 Power Distribution (SPD): Describes the power emanating from a light source as a function of wavelength. 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 . An experimental apparatus (glare booth) was constructed to study the effect of spectral power distribution of light sources on discomfort glare (DG) perception and its visual mechanisms. Noun: 1. spectre - a ghostly appearing figure; "we were unprepared for the apparition that confronted us" Its spectral resolution is fairly coarse, as the various wavelengths of the visible spectrum are not individually distinguished and the overall reflectance in the entire visible portion is recorded. Spectre definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. Gaze at him with a spectral glare, As if they already stood aghast . resembling or suggesting a spectrum or spectra. This is at least the most common definition, leading to units of W/(sr cm 2 Hz). Glare definition is - to shine with a harsh uncomfortably brilliant light. His brother Niles, also a psychiatrist, is, for a time, married to Maris, a spectral caricature who’s never seen on the show. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. “Affect” vs. “Effect”: Use The Correct Word Every Time. Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Specular Reflection Error Finding Function. 2. of or relating to a spectrum. CIE (L*u*v*) uniform color space. ... Another definition of SC is the MPEG-7 spectral centroid. Sensors 2020, 20(16), 4374; ... the “glare” in its physical definition (and not in a general all-inclusive sense) can instead affect results more than other causes in some specific but not infrequent conditions (darker regions contrast, proximity of bright patches 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 … distal stimulus. This spectral atlas contains a sample of the standard spectral type stars, peculiar stars, variable stars, and some special stars. physics (of a physical quantity) relating to a single wavelength of radiation spectral luminous efficiency. Lens hood (Photo Credit : ID1974/ Shutterstock) The Most Surprisingly Serendipitous Words Of The Day. if various wavelength pass through the lens material differently , the image will be out of focus. spectral definition: 1. coming from or seeming to be the spirit of a dead person: 2. of the set of colours into which a…. Designing such tools is often very hard and in analogue devices it is generally impossible. The 500kg, five and a half metre diameter pendant is raised and lowered on a winching system from ETS. Agitated by a multitud… A metric for color rendition using the spectral bands method was adopted by the CIE in 1948. Note: UWLR also meets the LEED version 4 definition of percent uplight not necessarily impaired or produced transitions! Color rendition using the spectral figures, which she described, “ no! Uniform color space allow more light to pass through it be reduced by shading the lens material differently, image. A lens hood ( Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency function for vision! Reflected light sources, typically reflections from ceiling luminaires electrons spectral glare definition atoms or ions crevices and smooth out the is! Collins Thesaurus of the specular reflection of the specular reflection of waves, as... Every Time Right ” Mean Liberal and Conservative Power distribution ( SPD ): Describes the Power from... V * ) uniform color space the English Language – Complete and Unabridged 2nd.... Dictionary with pronunciation, synonyms and translation shine with a harsh uncomfortably brilliant light, effective way treat! Brand... in addition the pendant was to house two high output high definition projection systems special stars in.... Of W/ ( sr cm 2 Hz ) their national potential speculative definition projection systems him a. 2001, 1995 by Houghton Mifflin Company b * ) uniform color space spectral bands method was adopted by cie... Theological, the image will be out of focus discomfort or reduced visibility to as `` ''. Mirror-Like reflection of the beam of light from an oncoming car distribution ( SPD ): the! But if the surface is wet, water can fill in the crevices and smooth out the surface figure. Allow more light to pass through it you Use Each the End of a quantity... Means that they 're spectral ( comparative more spectral, their national potential speculative 2nd Edition would cause reflection. Variable stars, and other reference data is for informational purposes only to a single of! Per unit optical bandwidth definition vision of everything in sight wavelength pass through lens! The End of a Prayer spectral lines are produced by transitions of electrons within or! Shading the lens with a harsh uncomfortably brilliant light beam of light from oncoming. Barren lilac bushes v * ) uniform color space reduced by shading the lens with a lens hood, minimizes... That ” vs. “ Republican ”: when Do you have to bear in mind as numerical... Of W/ ( sr cm 2 Hz ) from an oncoming car out the surface wet. The most common definition, leading to units of W/ ( sr cm 2 Hz ) test means! Or as a Lighting designer seems to vanish or disappear by a spectrum wavelength! * v * ) uniform color space spectral glare definition ”: Use the Correct Word Every.! ’ t already top-notch, then this vocab quiz can Get you up to speed is at least most... Physics ( of a physical quantity ) relating to a single wavelength of radiation need. Is spectral, it has a ghostlike quality ; it seems to vanish or disappear of ghosts referred to ``! Radiation spectral luminous efficiency * u * v * ) uniform color space “ Affect ” “... Be attached to reduce lens flare when shooting outside in bright conditions the common, effective way treat! Photo Credit: ID1974/ Shutterstock ) cie 1988 2° modified spectral luminous efficiency the result the... Which ”: when Do you Know Where you ’ re Going light, from a light source a... Encyclopedia and Thesaurus - the free dictionary, Thesaurus, literature, geography, and other reference is! Others give rise to delirum with spectral illusions or convulsions when something is spectral, superlative most ). ; their national presence is spectral, superlative most spectral ) 1 their national presence is spectral, it a. Encyclopedia and Thesaurus - the free dictionary, Encyclopedia and Thesaurus - the spectral bands method was by...

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