In an uniform accelerated motion experiment, the timing precision to record the moment a cart passes the measuring point can reach 10-4 S by Programmable Timer/Counter 8254. The experiment system can replace the traditional timing method.
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- 在勻變速直線(xiàn)運動(dòng)的實(shí)驗中,利用可編程定時(shí)/計數器8254來(lái)記錄運動(dòng)小車(chē)過(guò)測點(diǎn)的時(shí)刻值,可使計時(shí)精度達到萬(wàn)分之一秒。 該實(shí)驗系統可取代傳統的計時(shí)方法。
