Ka'idar aiki na Doppler
TheDF6100Na'urar auna sauti ta jerin suna aiki ta hanyar watsa sautin ultrasonic daga na'urar auna sauti ta watsa shi, sautin zai bayyana ta hanyar amfani da na'urorin auna sauti masu amfani waɗanda aka dakatar a cikin ruwa kuma na'urar auna sauti ta karɓa ta na'urar auna sauti. Idan na'urorin auna sauti suna motsawa a cikin hanyar watsa sauti, raƙuman sauti za su bayyana a lokacin da aka canza mita (mita na Doppler) daga mitar da aka watsa. Canjin mita zai kasance kai tsaye da saurin ƙwayar cuta ko kumfa mai motsi. Wannan canjin mita ana fassara shi ta hanyar kayan aiki kuma ana canza shi zuwa na'urori daban-daban da aka ƙayyade ta mai amfani.
Dole ne a sami wasu ƙananan ƙwayoyin da suka isa su haifar da hangen nesa na tsawon lokaci - ƙananan ƙwayoyin da suka fi micron 100 girma.
Lokacin shigar da na'urorin transducers, wurin shigarwa dole ne ya kasance yana da isasshen tsayin bututu madaidaiciya daga sama zuwa ƙasa. Yawanci, saman ruwa yana buƙatar 10D kuma ƙasa yana buƙatar tsawon bututu mai madaidaiciya 5D, inda D shine diamita na bututu.
