Sekeche sa moea oa leseli -Light Distribution Curve

leboneke lintho tsa bohlokoa le tsa bohlokoa bophelong ba batho ba letsatsi le letsatsi.Kaha batho ba tseba ho laola malakabe, ba tseba ho fumana leseli lefifing.Ho tloha mollong oa mollo, likerese, mabone a tungsten, mabone a incandescent, mabone a fluorescent, mabone a tungsten-halogen, mabone a sodium a khatello e phahameng ho ea ho mabone a LED, lipatlisiso tsa batho ka mabone ha li e-s'o khaotse..

'Me litlhoko li ntse li eketseha, ka bobeli mabapi le ponahalo le litekanyetso tsa optical.

Moqapi o motle o etsa hore ho be le ponahalo e khahlehang, ha ho ntse ho le joalo kabo e ntle ea leseli e fana ka moea

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Sengoliloeng sena, re shebisisa le ho teba ka li-curve tsa kabo ea leseli.Ke kopa ho e bitsa sketch of light's soul.

Li-curve tsa kabo ea khanya ke eng?

Mokhoa oa ho hlalosa ka mokhoa oa saense le ka nepo kabo ea leseli.E hlalosa ka ho hlaka sebopeho, matla, tataiso le tlhaiso-leseling e 'ngoe ea leseli ka litšoantšo le setšoantšo.

 Tse hlano tse tloaelehilengmekhoa ea ho hlahisa leseli

1.Chate ea cone

Hangata e ne e sebelisoa bakeng sa mabone a siling.

Joalo ka ha ho bonts'itsoe moleng oa pele oa setšoantšo, ho bolela hore bophara ba letheba d=25 cm bohole ba h=1 mitha, khanya e tloaelehileng Em=16160lx, le boholo ba khanya Emax=24000lx.

Lehlakore le letšehali ke data.Ho sa le joalo lehlakore le letona ke setšoantšo se hlakileng se nang le matheba a khanyang a susumelitsoeng.Lintlha tsohle li bonts'a ho eona, re hloka feela ho utloisisa moelelo oa mangolo ho fumana lintlha.

2.mothinya o lekanang le kganya e lekanyang

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Leseli la leseli la seterateng le atisa ho ajoa haholo, kahoo hangata le hlalosoa ka mokhoa o lekanang oa khanya ea leseli.Ka nako e ts'oanang, hoa utloahala ho sebelisa li-curve tsa mebala e fapaneng ho emela khanya e fapaneng.

3.equiluminous curve

Hangata e sebelisoa bakeng sa leseli la seterateng, lebone la jareteng

0.0 e bontša sebaka sa lebone, 'me 1^stselikalikoe se bontša hore leseli ke 50 lx.Mohlala, le rona re ka fumana limithara tse (0.6,0.6) ho tloha leboneng, lebone ke 50 lx sebakeng se sefubelu sa folakha.

Setšoantšo se ka holimo se bonolo haholo, 'me moqapi ha a hloke ho etsa lipalo,' me a ka fumana lintlha ho eona ka ho toba 'me ae sebelisetsa moralo oa mabone le moralo.

4.Polar coordinate light distribution curve/Polar Curve

Ho e utloisisa hantle, A re shebeng mohopolo oa lipalo- lihokela tsa polar pele.

Polar coordinate system e nang le li-angles le lidikadikwe tse emelang bohole ho tloha moo ho qalileng teng.

Kaha mabone a mangata a lebisitsoe tlase, polar coordinate light distribution curve hangata e nka tlase e le sebaka sa ho qala sa 0 °.

Joale, a re shebeng mohlala oa bohloa bo hulang sehlopha sa rabara ~

1^st, bohloa bo nang le matla a fapaneng bo ile ba hula lihlopha tsa bona tsa rabara hore ba hloelle ka litsela tse fapaneng.Ba nang le matla a mangata ba nyolohela hole, athe ba nang le matla a fokolang ba ka hloella haufi.

2^nd,thala mela e hokahaneng moo bohloa bo ileng ba ema teng

Qetellong, Re tla ba le matla kabo mothinya oa bohloa.

Ho tsoa setšoantšong, re ka fumana hore matla a bohloa ka lehlakoreng la 0 ° ke 3, 'me matla a bohloa ka lehlakoreng la 30 ° a batla a le 2.

Ka ho tšoanang, leseli le na le matla—matla a khanya

Hokela lintlha tse hlalosang matla a khanya ka mahlakoreng a fapaneng ho fumana - "kabo ea matla" mothinya oa khanya.

Leseli le fapane le bohloa.Leseli le ke ke la khaotsa, empa matla a leseli a ka lekanngoa.

Matla a khanya a emeloa ke sebaka se hole ho tloha qalong ea lekhalo, ha ho ntse ho le joalo, tataiso ea leseli e emeloa ke li-angles tsa polar coordinates.

Joale ha re shebeng mabone a seterata polar coordinate curve ea kabo ea mabone ka tlase:

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Lekhetlong lena re arolelana mekhoa e 5 e tloaelehileng ea polelo ea leseli.

Nakong e tlang, A re ke re e hlahlobisiseng hammoho.Re ka fumana boitsebiso bofe ho bona?

Lisa Qing

Moenjiniere oa Machaba oa Khoebo

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