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靈(ling)敏(min)度(du)和(he)分(fen)辨(bian)率(lv),是(shi)傳(chuan)感(gan)器(qi)的(de)兩(liang)個(ge)重(zhong)要(yao)的(de)技(ji)術(shu)參(can)數(shu),能(neng)夠(gou)反(fan)映(ying)儀(yi)器(qi)設(she)備(bei)性(xing)能(neng)是(shi)否(fou)良(liang)好(hao),是(shi)保(bao)證(zheng)生(sheng)產(chan)測(ce)量(liang)順(shun)利(li)進(jin)行(xing)的(de)重(zhong)要(yao)參(can)數(shu)。一(yi)般(ban)來(lai)說(shuo),靈(ling)敏(min)度(du)越(yue)高(gao),分(fen)辨(bian)率(lv)越(yue)好(hao)。那(na)麼(me)接(jie)下(xia)來(lai)小(xiao)編(bian)將(jiang)具(ju)體(ti)為(wei)大(da)家(jia)講(jiang)述(shu)儀(yi)表(biao)的(de)靈(ling)敏(min)度(du)和(he)分(fen)辨(bian)率(lv)之(zhi)間(jian)的(de)聯(lian)係(xi)。
儀表的靈敏度:
靈敏度是指儀表在穩態工作情況下輸出量變化△y對輸入量變化△x的比值。它是輸出一輸入特性曲線的斜率。如果儀表的輸出和輸入之間顯線性關係,則靈敏度S是一個常數。否則,它將隨輸入量的變化而變化。靈敏度的量綱是輸出、輸入量的量綱之比。
儀表的分辨率:
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通過以上內容的了解,我們知道儀表的靈敏度是指對被測參數變化儀表反應的靈敏程度,也可以說是對被測參數變化輸出的放大程度;靈敏度可以這表示靈敏度(應該是ε)=響應變化量/被測量變化量。
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