超(chao)聲(sheng)波(bo)物(wu)(wu)位計是由(you)微處理(li)器(qi)(qi)控(kong)制(zhi)的(de)數(shu)字物(wu)(wu)位儀表。在測量中脈沖超(chao)聲(sheng)波(bo)由(you)傳感器(qi)(qi)(換(huan)能器(qi)(qi))發出,聲(sheng)波(bo)經(jing)物(wu)(wu)體表面反射后(hou)被(bei)同一傳感器(qi)(qi)接(jie)收(shou),轉換(huan)成電(dian)信號
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