Naúrar matsin sauti ita ce Pa (Pa), kuma girmansa yana nuna ƙarfin motsin sauti, wato ƙarfin ƙarfin motsi na yaduwa. Mafi girman ƙarfin sauti, mafi girman ƙarfin duban dan tayi kuma ƙarfin da ake watsawa. A halin yanzu yana ɗaya daga cikin mahimman adadin jiki waɗanda galibi ana amfani da su don kwatanta kaddarorin raƙuman sauti. Ta hanyar auna matsi na sauti, ana iya samun sauran adadi na jiki kamar saurin barbashi a kaikaice.
A lokacin yaduwar raƙuman ruwa mai tsayi a cikin matsakaici na roba, matsa lamba na matsakaicin dige yana canzawa tare da lokaci, kuma yawancin ɗigon matsakaici yana da yawa kuma maras kyau. Bisa ga ka'idar haɗin kai, za mu iya tunanin ci gaba da matsakaici kamar yadda ya ƙunshi yawancin ƙananan ƙananan abubuwa dV. Matsakaici a cikin irin wannan nau'in ƙarar dV za a iya ƙara ɗaukarsa azaman maɗaukakiyar ma'auni tare da adadin ρdV. ρ shine yawancin matsakaici, wanda shine adadin da ke canzawa tare da lokaci da matsayi a ƙarƙashin aikin raƙuman sauti. Bayan raƙuman sauti na ƙarar dV ya damu da raƙuman sauti, matsa lamba yana canzawa daga p0 zuwa p1, sannan matsa lamba p da ke haifar da rikicewar sautin sauti ana kiransa matsin sauti: p=p1-p0.
Saboda ɗan gajeren zango da kuma yawan mita na raƙuman ruwa na ultrasonic, ƙarfin da yake da shi yana da girma sosai, wanda zai iya haifar da tasirin sauti mai mahimmanci akan barbashi na matsakaici.
Aikace-aikace: Ultrasonic aikace-aikace a cikin abinci: ultrasonic ruwa, ultrasonic sabon inji
