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Gane sawun yatsa, a matsayin ɗaya daga cikin fasahohin gano ƙwayoyin halitta da yawa, galibi yana yin amfani da bambance-bambance a cikin nau'in fata na yatsun mutane, wato, tudu da kwaruruka na rubutu.Tunda tsarin sawun yatsa na kowane mutum, wuraren karyewa da tsaka-tsaki sun bambanta, , kuma sun kasance ba su canzawa a tsawon rayuwa, don haka tantance hoton yatsa ya zama fasahar da aka fi amfani da ita kuma ta fi girma a tsakanin fasahohin kimiyyar halittu da yawa.A halin yanzu, an yi amfani da tantance hoton yatsa sosai wajen binciken laifuka, yaƙi da ta'addanci, tsaron ƙasa, hana muggan kwayoyi, tsaro na jama'a, da dai sauransu kuma ana amfani da su sosai a cikin wayoyin hannu, kwamfutoci, ATMs, kula da hanyoyin shiga da tsarin agogo a kullum. rayuwa.

Ƙa'idar aiki na tantance sawun yatsa ya ƙunshi ayyuka uku: karanta hotunan yatsa, ciro fasali, da kwatanta sawun yatsa.Fasahar gane hoton yatsa gama gari sune: na gani, capacitive, da ultrasonic.

Gane sawun yatsa na gani

Gane hoton yatsa na gani fasaha ce ta gano hoton yatsa mai dogon tarihi.Yana amfani da ƙa'idodin karkatar da haske da tunani don gano alamun yatsa.Madaidaicin kusurwar hasken da aka fitar akan layukan da ba su dace ba a saman sawun yatsa da hasken hasken da ke haskakawa zai bambanta, ta haka ne tattara haske daban-daban da matakin duhu na bayanan hoto don kammala tattara hoton yatsa.
Masu karanta hoton yatsa na gani suna da manyan buƙatu don tushen haske da tuntuɓar sawun yatsa da firikwensin, kuma suna buƙatar kyakkyawar lambar yatsa da daidaitawa.Don haka, na'urorin yatsa na gani sau da yawa suna mamaye sararin samaniya kuma suna da takamaiman buƙatu don zafin jiki da zafi, kuma ƙimar tantancewarsa ba ta da kyau sosai.Amfanin wannan fasaha shi ne cewa ba ta da tsada kuma ta dace da aikace-aikacen tantance sawun yatsa gabaɗaya, kamar na'urorin halartar hoton yatsa.

Ganewar sawun yatsa mai ƙarfi

Ganewar sawun yatsa mai ƙarfi ya fi rikitarwa fiye da tantance sawun yatsa na gani.Ka'idarsa ita ce haɗa ma'aunin jin zafi, fahimtar ƙarfin ƙarfi, jin zafi da sauran na'urori masu auna firikwensin cikin guntu.Lokacin da hoton yatsa ya danna saman guntu, firikwensin capacitive na ciki zai samar da hoton yatsa dangane da bambancin caji (ko bambancin yanayin zafi) da ƙwanƙolin sawun yatsa ya haifar, wanda ke buƙatar kyakkyawar hulɗa tsakanin sawun yatsa da firikwensin.
Amfanin amfani da capacitive yatsa fitarwa shi ne cewa image ingancin ne high, da murdiya ne karami, da kuma lantarki siginar za su ratsa ta cikin matattu fata a saman da yatsa, don haka rayayyun jiki fitarwa za a iya za'ayi, wanda ƙwarai inganta. tsaro na gane hoton yatsa.Koyaya, ƙwarewar sawun yatsa mai ƙarfi shima yana da gazawar sa.Hotunan madaidaicin madaidaicin yatsan yatsa suna buƙatar ɓangarorin ƙarfi mai ƙarfi, wanda zai ƙara tsada sosai.Kuma saboda iya gane hoton yatsa mai ƙarfi yana dogara ne akan gaɓoɓin yatsa da kwarin yatsa, idan saman yatsan ya gurɓata da datti ko gumi, zai canza bayanan rubutu a saman yatsan, wanda zai haifar da rashin daidaituwa.

Gane hoton yatsa na Ultrasonic

Gane hoton yatsa na Ultrasonic sabuwar fasaha ce da ke amfani da raƙuman sauti don samun bayanan hoton yatsa.Na'urar firikwensin tana fitar da bugun jini na ultrasonic, waɗanda ke warwatse kuma suna nunawa lokacin da suka ci karo da ƙirar sawun yatsa.Firikwensin yana karɓar siginar ultrasonic da aka nuna kuma yana fitar da fasalulluka na yatsa ta hanyar nazarin canje-canje a cikin siginar.Masu karanta yatsan yatsa na Ultrasonic suna da ƙananan buƙatu don tuntuɓar sawun yatsa da firikwensin, don haka suna iya aiki lokacin da akwai tazara daga saman sawun yatsa.Amfanin wannan fasaha shine mafi girman juriya ga datti da karce.Hanya ce mai ban sha'awa ta gano hoton yatsa.Koyaya, tantance hoton yatsa na ultrasonic baya tare da gazawarsa.Farashin fitinar sawun yatsa na ultrasonic ya fi girma, kuma ba shi da amsa kamar yadda na gani da iya gane hoton yatsa.Har ila yau, bai dace da fina-finai masu kariya na wasu kayan ba, wanda zai iyakance gane hoton yatsa na ultrasonic.daidaito.

Haɗe tare, na gani, capacitive, da ultrasonic ganewar sawun yatsa suna da nasu ribobi da fursunoni.Fitowar sawun yatsa mai ƙarfi a halin yanzu shine mafi yawan amfani da shi, amma ƙwarewar sawun yatsa na ultrasonic yana da mafi girman yanayin aminci.Kodayake gane hoton yatsa shine mafi ƙanƙanci a farashi, yana da ƙarancin tsaro da aikin ganewa.

Shenzhen Handheld-Wireless Technology Co, Ltd yana ba da rigunan hannu da allunan a halin yanzu waɗanda ke goyan bayan sawun yatsa masu ƙarfi, suna da ƙarfin amfani da muhalli da babban rigakafin jabu.Ana iya amfani da su a ko'ina a cikin tsaro na jama'a, kula da lafiyar jama'a, tsaro, kula da samun damar shiga, da dai sauransu.