FormationSayniska

Kaas oo isticmaala diffraction Fresnel?

horumarka farsamada kuu ogolaanayaa inaad si ay u abuuraan qalabka sida, kuwaas oo hore ku riyoon kaliya ee laga yaabaa. Haddaba qofna la yaabin la qalabka isgaarsiinta wireless, doonaa suxuunta satellite oo duulaya galay meel. In ka badan qarnigii la soo dhaafay, waxaa la sameeyey wax badan oo daahfurtay iyo Been, kuwaas oo la joogo waxaa suurtagal ah in ay soo saaraan technology casriga ah ee daroogada iyo noocyo kala duwan oo qalab, jidaynayey si ay u fuliyaan qalliinka adag. Tusaale ahaan, diffraction Fresnel muujiyey qaar ka mid ah faahfaahinta ku saabsan nooca iftiinka, ilaa haatan aan la garanayn.

Augustin Fresnel, J. (1788-1827)

saynisyahan The French ku dhashay qoys aqoon, aabbihiisna wuxuu ahaa muhandas. Sida ilmo, Jean Augustin ma ahaa horumarinta ilmaha waa 8 sano jir, uu dirqi ah ka dhigi soo baxay xarfaha. Oo wakhtigaas, ninna xataa ka fekeri karaa in uu sharaf waxaa loogu yeedhi doonaa mid ka mid ah ifafaale ugu muhiimsan ee physics - Fresnel diffraction.

saynisyahan waxay ahayd in dugsiga si joogto ah u tegi karin, laakiin markii uu ahaa 13. Ka dib markii barashada ee Cannes, jirka dadka mustaqbalka galo Polytechnic School Paris ee meelaha ay weerarada ka mid ah macalimiinta iyo awoodaha dhimirka la shaqayn jiray, horumariyo isaga ee wakhtigaas. Ka dib dhammaadka dugsiga this Fresnel galaa "School of Bridges iyo Waddooyinka" oo helay xirfadda ee injineer.

O. Fresnel lagu abaalmariyey in 1827 qiimaha ugu sarreeya ee Society Royal ee abaalmarinta London - biladood Rumford. Sidoo kale, cilmiga ahaa ee Academy Paris. Thanks to horumarka beddeleen hababka lighthouses shaqeeya optics iftiinka.

waayo-aragnimo Fresnel

diffraction Fresnel waa qaab tijaabo cadaynaya in iftiinka wuxuu leeyahay sifooyin la ruxruxo. Waayo aragnimadii uu ayaa xaqiijiyay in aragtida ah ee jirka dadka Huygens iyo ku daray waayo-aragnimada Jung T. oo uu cilmi isticmaalaya qalab cusub oo faragalin.

Under ka diffraction iftiinka in la fahmo in uu hanti in la leexiyo agagaarka caqabadaha halka dhacaan gobolka hooska. Fresnel sameeyay tijaabo la caqabad, Halkaas oo iftiinku ku muuqata ka laayeen kubada, iyo marinka ee ku jirase aad dhex dillaac ah. Natiijada hawshoodii jirka soo bandhigay "quusiyay of diffraction."

Intaa waxaa dheer, waayo-aragnimo daliil jiritaanka ifafaale ee faragelinta iftiinka ee dabiiciga ah, saynisyahano isticmaalo geedka, loo yaqaan "muraayad Fresnel." qalab ka kooban yahay laba sheet u milicsato, oo waxaa lagu abaabulaa marka loo eego midba midka kale xagal yar yar tahay 180 °. muraayadaha waxay ka il keli ah, taasoo ku muuqata, la abuuro laba shakhi la farqiga isla wajiga siin iftiinka. Xaaladdan oo kale, laba iyo tobanba saf ayaa la xoojiyey iyo siiyey guud ahaan talantaalli ah oo nabrahoodii mugdiga iyo iftiinka.

Codsiga of daahfurtay Fresnel

Haddaba waad arki kartaa isticmaalka baahsan ee natiijada tijaabo, saynisyahan Faransiiska. Sayidka, muraayad Fresnel loo isticmaalo horumarinta qalabka, aruursaday tamarta qorraxda. Tusaale ahaan, design xarun oo codsatay qalab faragelinta this kala duwan qaata qiimaha ugu badnaan gelioenergii. Waxa loo isticmaalaa sida qalab kuleylka oo biyo ah, mid ka mid ah unugyada xoogga iyo codsiyada kale warshadaha.

qalab kale oo la soo jeediyey by cilmiga Faransiis ah oo caan ah sida soo askunmay Fresnel waxaa loo isticmaalaa in lagu daaweeyo strabismus. Currently uu diyaariyay hab cusub laastikada qalab this waa waslad khafiifa oo ah wax bacyaal hufan. Mid ka mid ah dhinaca waxaa la siiyaa raster soo askunmay ah, iyo kuwa kale oo siman ah. qalab Tani waa hogaansamey koob ah, sidaas waxaa loo isticmaalaa in nooc kasta oo strabismus.

Fresnel Diffraction loo isticmaalo dhismaha diiradda in qalabka indhaha (telescopes, casriga). daahfurka Tani waa mid ka mid ah kuwa ugu muhim in physics indhaha, kaas oo ku salaysan yahay daraasado badan.

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