Binciken duban dan tayi na likita wani muhimmin sashi ne na kayan aikin duban dan tayi. Babban ka'idarsa ita ce amfani da haɓakawa da halayen tunani na raƙuman ruwa na ultrasonic a cikin kyallen jikin mutum don samun hotuna ta hanyar watsawa da karɓar ayyukan binciken don cimma nasarar ganewar asali da magani.
Ka'idojin bincike na duban dan tayi na likita za a iya raba su zuwa bangarori masu zuwa:
1. Piezoelectric sakamako: Likita duban dan tayi bincike yawanci amfani da piezoelectric kayan, kamar ma'adini lu'ulu'u, tukwane, da dai sauransu Lokacin da kuzari da wani lantarki filin, wadannan kayan sha wani piezoelectric sakamako, wato, inji nakasawa. Yin amfani da wannan sakamako, ana iya girgiza kayan piezoelectric ta hanyar motsa jiki na lantarki, ta haka ne ke haifar da raƙuman ruwa na ultrasonic.
2. Pulse wave watsi: Likitan duban dan tayi bincike yana fitar da raƙuman ruwa ta hanyar raƙuman bugun jini. Lokacin da wani abu ke jin daɗin filin lantarki, yana girgiza da injina, yana samar da bugun jini na ultrasonic. Siffar bugun bugun jini da mitar girgiza sun dogara da ƙirar bincike da ƙarfin lantarki.
3. Karɓar kalaman bugun jini: Baya ga watsa raƙuman ruwa na ultrasonic, ana kuma amfani da na'urorin binciken duban dan tayi don karɓar siginar ultrasonic da aka nuna. Lokacin da raƙuman ruwa na duban dan tayi suka ratsa cikin nama, suna nunawa kuma suna warwatse a baya zuwa sashin binciken binciken. Abun karɓa yana jujjuya girgizar injin zuwa siginar caji, wanda daga nan sai a canza shi zuwa hoto ta hanyar da'irar sarrafa sigina.
4. Siffofin sautin sauti: Tsarin lissafi da tsari na watsawa da karɓar abubuwa na binciken duban dan tayi na likita zai shafi halayen sautin sauti kai tsaye. Ƙaƙwalwar sauti tana nufin rarraba yawan makamashi na raƙuman ruwa na ultrasonic da ke yaduwa a cikin matsakaici. Binciken duban dan tayi na likitanci yakan yi amfani da fasahar mai da hankali don inganta ƙarfin fidda sautin sauti, yana haifar da ƙarin hotuna.
5. Doppler sakamako: Likita duban dan tayi bincike kuma iya amfani da Doppler sakamako auna gudun da shugabanci na ruwaye. Lokacin da raƙuman ruwa na ultrasonic suka ci karo da motsi na ruwa, canjin mitar yana faruwa, wanda yayi daidai da saurin ruwa. Ta hanyar auna girma da alkiblar mitoci, ana iya samun bayanai game da motsin ruwa.
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Lokacin aikawa: Janairu-18-2024
