Gabatarwar fasahar gwajin hoto
Fasahar gano wutar lantarki na ɗaya daga cikin manyan fasahohin fasahar bayanai na hoto, wanda galibi ya haɗa da fasahar canza wutar lantarki, sayan bayanan gani da fasahar auna bayanai da fasahar sarrafa hoto na bayanan aunawa.Irin su hanyar photoelectric don cimma nau'ikan ma'auni na jiki, ƙananan haske, ƙananan ma'aunin haske, ma'aunin infrared, duban haske, ma'aunin bin haske, ma'aunin laser, ma'aunin fiber na gani, ma'aunin hoto.
Fasahar gano wutar lantarki ta haɗa fasahar gani da fasahar lantarki don auna adadi daban-daban, waɗanda ke da halaye masu zuwa:
1. Babban daidaito.Daidaiton ma'aunin hoto shine mafi girma a cikin kowane nau'in fasahar aunawa.Misali, daidaiton tsayin aunawa tare da interferometry na laser zai iya kaiwa 0.05μm/m;Ana iya samun ma'aunin kusurwa ta hanyar grating moire fringe.Matsakaicin auna tazarar da ke tsakanin duniya da wata ta hanyar kewayon Laser zai iya kaiwa 1m.
2. Babban gudun.Ma'aunin hoto yana ɗaukar haske azaman matsakaici, kuma haske shine saurin yaɗawa tsakanin kowane nau'in abubuwa, kuma babu shakka shine mafi sauri don samun da watsa bayanai ta hanyoyin gani.
3. Dogon nisa, babban kewayon.Haske shine mafi dacewa matsakaici don kula da nesa da na'urar sadarwa, kamar jagorar makami, bin diddigin hoto, telemetry na talabijin da sauransu.
4. Ma'aunin rashin lamba.Hasken da ke kan abin da aka auna ana iya la'akari da shi ba ƙarfin aunawa ba ne, don haka babu taƙawa, ana iya samun ma'auni mai ƙarfi, kuma shi ne mafi inganci a cikin hanyoyin auna daban-daban.
5. Tsawon rai.A cikin ka'idar, raƙuman haske ba a taɓa sawa ba, idan dai an yi reproducibility da kyau, ana iya amfani da shi har abada.
6. Tare da ƙarfin sarrafa bayanai da ikon sarrafa bayanai, ana iya sarrafa hadaddun bayanai a layi daya.Hanyar photoelectric kuma tana da sauƙin sarrafawa da adana bayanai, mai sauƙin gane aiki da kai, mai sauƙin haɗawa da kwamfuta, kuma mai sauƙin ganewa kawai.
Fasahar gwajin hasken lantarki wata sabuwar fasaha ce da babu makawa a kimiyyar zamani, zamanantar da jama'a da rayuwar jama'a, sabuwar fasaha ce da ta hada na'ura, haske, wutar lantarki da na'ura mai kwakwalwa, kuma tana daya daga cikin manyan fasahohin zamani na bayanai.
Na uku, da abun da ke ciki da kuma halaye na photoelectric gano tsarin
Saboda rikitarwa da bambancin abubuwan da aka gwada, tsarin tsarin ganowa ba ɗaya ba ne.Babban tsarin gano lantarki ya ƙunshi sassa uku: firikwensin, kwandishan sigina da hanyar haɗin fitarwa.
Na'urar firikwensin mai jujjuya sigina ce a mahaɗin tsakanin abin da aka gwada da tsarin ganowa.Yana fitar da bayanan da aka auna kai tsaye daga abin da aka auna, yana jin canjinsa, sannan ya canza shi zuwa sigogin lantarki masu sauƙin aunawa.
Sigina da na'urori masu auna firikwensin suka gano gabaɗaya siginonin lantarki ne.Ba zai iya biyan bukatun fitarwa kai tsaye ba, yana buƙatar ƙarin canji, sarrafawa da bincike, wato, ta hanyar da'irar siginar siginar don canza shi zuwa daidaitattun siginar lantarki, fitarwa zuwa hanyar haɗin kai.
Dangane da maƙasudi da nau'i na fitarwa na tsarin ganowa, hanyar haɗin yanar gizon ta fi dacewa da na'urar nuni da na'urar rikodi, hanyar sadarwar bayanai da na'urar sarrafawa.
An ƙayyade da'irar daidaita siginar firikwensin ta nau'in firikwensin da buƙatun siginar fitarwa.Na'urori masu auna firikwensin daban-daban suna da siginonin fitarwa daban-daban.Fitar da firikwensin sarrafa makamashi shine canjin sigogi na lantarki, wanda ke buƙatar canza shi zuwa canjin ƙarfin lantarki ta hanyar da'irar gada, kuma fitowar siginar wutar lantarki na da'irar gada kaɗan ce, kuma yanayin yanayin gama gari yana da girma, wanda ke buƙatar. da za a ƙarasa da abin ƙarawa kayan aiki.Wutar lantarki da sigina na yanzu suna fitowa ta firikwensin juyawar kuzari gabaɗaya sun ƙunshi manyan sigina na amo.Ana buƙatar da'irar tacewa don cire sigina masu amfani da tace siginar amo mara amfani.Haka kuma, girman fitowar siginar wutar lantarki ta babban firikwensin makamashi yana da ƙasa sosai, kuma ana iya ƙara shi ta hanyar ƙara kayan aiki.
Idan aka kwatanta da mai ɗaukar tsarin lantarki, yawan adadin mai ɗaukar hoto yana ƙaruwa da umarni da yawa.Wannan canji a cikin tsarin mita yana sa tsarin photoelectric ya sami canji mai mahimmanci a cikin hanyar ganewa da kuma tsalle mai mahimmanci a cikin aikin.Galibi ana bayyana a cikin ɗaukar nauyin mai ɗaukar nauyi, ƙudurin Angular, ƙuduri da ƙuduri ne sosai a cikin filayen tashar, radar, daidaitawa, ma'auni da sauransu.Kodayake takamaiman nau'ikan tsarin photoelectric da aka yi amfani da su a waɗannan lokuta sun bambanta, suna da fasalin gama gari, wato, duk suna da hanyar haɗin watsawa, tashar gani da mai karɓar gani.
Tsarin lantarki yawanci ana kasu kashi biyu: aiki da m.A cikin tsarin lantarki mai aiki, na'urar watsawa ta gani ta ƙunshi tushen haske (kamar Laser) da na'ura mai daidaitawa.A cikin tsarin lantarki mara amfani, mai watsawa na gani yana fitar da hasken zafi daga abin da ake gwadawa.Tashoshi na gani da masu karɓa na gani iri ɗaya ne ga duka biyun.Abin da ake kira tashar gani yana nufin yanayi, sarari, karkashin ruwa da fiber na gani.Ana amfani da mai karɓar gani don tattara siginar gani da ya faru da sarrafa shi don dawo da bayanan mai ɗaukar hoto, gami da na'urori na asali guda uku.
Ana samun canjin hoto ta hanyar nau'ikan kayan aikin gani da tsarin gani, ta amfani da madubai masu lebur, slits na gani, ruwan tabarau, mazugi prisms, polarizers, faranti, faranti na lamba, grating, modulators, tsarin hoto na gani, tsarin tsangwama na gani, da sauransu. don cimma ma'aunin da aka auna zuwa sigogi na gani (girman, mita, lokaci, yanayin polarization, canje-canjen shugabanci, da sauransu).Canjin hoto yana cika ta na'urori daban-daban na juyawa na hoto, kamar na'urorin gano hoto, na'urorin kyamarar hoto, na'urorin zafi na hoto da sauransu.
Lokacin aikawa: Yuli-20-2023