Tshuaj Txhuam Hniav
Feb 21, 2020
Tus txhuam hniav hluav taws xob yog txhuam hniav uas ua rau txhuam ceev ceev kom ceev ceev, txawm tias yog rov qab los thiab ua rau rov qab los yog ua hauj lwm sib hloov (qhov twg txhuam lub taub hau hloov mus rau ntawm lub moos thiab counterclockwise tig), txhawm rau ntxuav cov hniav. Cov lus taw kev ntawm sonic nrawm lossis qis dua yog tsim los ntawm lub cev muaj zog. Tus tsim ntawm txhuam hniav ultrasonic, ultrasonic cov lus tsa suab yog tsim los ntawm cov khoom siv hluav taws xob piezoelectric. Tus txhuam hniav hluav taws xob niaj hnub no feem ntau siv los ntawm lub roj teeb uas ua tau rov qab los ntawm kev them nqi hluav taws xob thaum tus txhuam hniav nyob rau hauv lub chaw them nyiaj ntawm kev siv.
Kev txhuam hniav hluav taws xob tuaj yeem muab faib ua ntau raws li qhov ntau zaus (nrawm) ntawm lawv cov kev txav raws li lub zog, sonic lossis ultrasonic txhuam hniav, nyob ntawm seb lawv ua cov khoom txav uas qis dua, hauv lossis siab dua cov suab nrov (20-20,000 Hz lossis 2400,2,400,000 txav ib zaug) feeb), feem.