Ma'anarsa
Ultrasound yana nufin duk wani motsin sauti ko rawar jiki wanda mitarsa ta zarce mafi girman iyakar 20kHz (kHz) wanda kunnen ɗan adam ke iya ji. Kalaman sauti ne mai mitar sama da 20000 Hz. Yana da kyakkyawan jagora, ƙarfin tunani mai ƙarfi, kuma yana da sauƙin samun ƙarin kuzarin ƙara kuzari. Yana tafiya cikin ruwa fiye da iska, kuma ana iya amfani dashi don auna nisa, auna saurin gudu, tsaftacewa, walda, da karyawa. Dutse, haifuwa, da dai sauransu Ana amfani da duban dan tayi sosai a fannoni da yawa kamar magani, soja, masana'antu, noma, hankali, da dai sauransu saboda yawan halayen mita. Ana kiran sunan Ultrasound saboda ƙananan iyakar mitarsa ya wuce iyakar jigon ɗan adam.
Mitar Ultrasonic
Masana kimiyya suna kiran adadin girgiza a cikin dakika mitar sauti, kuma sashinsa shine Hertz (Hz). Mitar igiyoyin sauti da kunnuwanmu ke iya ji shine 20Hz-20000Hz. Raƙuman sauti mai mitar sama da 20,000 Hz ana kiransa "radiyoyin iska". Yawan raƙuman ruwa na ultrasonic da aka fi amfani da su a cikin ganewar asibiti shine 1 MHz zuwa 30 MHz.
Wasu dabbobi, kamar karnuka, dabbar dolphins, da jemagu, suna da kunnuwa fiye da mutane, don haka suna iya jin motsin duban dan tayi. Wasu sun yi amfani da wannan fasalin don yin sarewa na kare wanda zai iya haifar da raƙuman ruwa na ultrasonic don kiran karnuka.
Abubuwan da ake kira raƙuman ruwa na ultrasonic kawai suna wucewa ta hanyar kafofin watsa labarai na roba da inertial, kamar iska. Lokacin da iskar kanta ta faɗaɗa ko ta matsa, akan sami yaɗuwar igiyar ruwa ta hanyar motsin ƙwayoyinta. Saboda haka, raƙuman sauti ba zai iya yaduwa a cikin sarari ba. Jin ɗan adam na iya fahimtar sauyi kuma ya kira shi da sauti. A wannan lokacin, ana kiran raƙuman sautin sauti.
