由于光學非(fei)接(jie)(jie)觸(chu)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)的(de)(de)(de)(de)結果(guo)直接(jie)(jie)影響變(bian)(bian)(bian)形(xing)(xing)(xing)原(yuan)因(yin)的(de)(de)(de)(de)合理(li)分(fen)析、變(bian)(bian)(bian)形(xing)(xing)(xing)規律(lv)的(de)(de)(de)(de)正確描述(shu)和變(bian)(bian)(bian)形(xing)(xing)(xing)趨(qu)勢(shi)的(de)(de)(de)(de)科學預(yu)測(ce)(ce)(ce)(ce)(ce)(ce)，因(yin)此變(bian)(bian)(bian)形(xing)(xing)(xing)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)必須具(ju)有高(gao)精(jing)度(du)。因(yin)此，在(zai)進行變(bian)(bian)(bian)形(xing)(xing)(xing)觀測(ce)(ce)(ce)(ce)(ce)(ce)之前(qian)，根(gen)據(ju)不(bu)同(tong)(tong)的(de)(de)(de)(de)觀測(ce)(ce)(ce)(ce)(ce)(ce)目的(de)(de)(de)(de)，需(xu)要選(xuan)擇相(xiang)(xiang)應(ying)的(de)(de)(de)(de)觀測(ce)(ce)(ce)(ce)(ce)(ce)精(jing)度(du)和測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)。為了(le)分(fen)析變(bian)(bian)(bian)形(xing)(xing)(xing)規律(lv)和預(yu)測(ce)(ce)(ce)(ce)(ce)(ce)變(bian)(bian)(bian)形(xing)(xing)(xing)趨(qu)勢(shi)，必須按(an)照一(yi)(yi)定(ding)的(de)(de)(de)(de)時間段重復(fu)進行變(bian)(bian)(bian)形(xing)(xing)(xing)觀測(ce)(ce)(ce)(ce)(ce)(ce)。根(gen)據(ju)建（構）筑物(wu)的(de)(de)(de)(de)特點、變(bian)(bian)(bian)形(xing)(xing)(xing)率、觀測(ce)(ce)(ce)(ce)(ce)(ce)精(jing)度(du)要求和工程(cheng)(cheng)地(di)質(zhi)條件，需(xu)要綜合考慮變(bian)(bian)(bian)形(xing)(xing)(xing)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)的(de)(de)(de)(de)觀測(ce)(ce)(ce)(ce)(ce)(ce)周期。在(zai)觀測(ce)(ce)(ce)(ce)(ce)(ce)期間，應(ying)根(gen)據(ju)變(bian)(bian)(bian)形(xing)(xing)(xing)的(de)(de)(de)(de)變(bian)(bian)(bian)化適當(dang)調整觀測(ce)(ce)(ce)(ce)(ce)(ce)周期。光學非(fei)接(jie)(jie)觸(chu)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)是(shi)一(yi)(yi)種先進的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)技(ji)(ji)術，它可(ke)(ke)以(yi)(yi)在(zai)不(bu)接(jie)(jie)觸(chu)被測(ce)(ce)(ce)(ce)(ce)(ce)物(wu)體的(de)(de)(de)(de)情(qing)況下，通過光學原(yuan)理(li)來測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)物(wu)體的(de)(de)(de)(de)應(ying)變(bian)(bian)(bian)情(qing)況。這種測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)具(ju)有高(gao)精(jing)度(du)、高(gao)靈(ling)敏度(du)和非(fei)破(po)壞性的(de)(de)(de)(de)特點，因(yin)此在(zai)工程(cheng)(cheng)領域得到了(le)普遍應(ying)用。在(zai)進行光學非(fei)接(jie)(jie)觸(chu)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)之前(qian)，需(xu)要確定(ding)觀測(ce)(ce)(ce)(ce)(ce)(ce)的(de)(de)(de)(de)目的(de)(de)(de)(de)和要求。不(bu)同(tong)(tong)的(de)(de)(de)(de)觀測(ce)(ce)(ce)(ce)(ce)(ce)目的(de)(de)(de)(de)需(xu)要選(xuan)擇不(bu)同(tong)(tong)的(de)(de)(de)(de)觀測(ce)(ce)(ce)(ce)(ce)(ce)精(jing)度(du)和測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)。例如(ru)，如(ru)果(guo)是(shi)為了(le)分(fen)析變(bian)(bian)(bian)形(xing)(xing)(xing)原(yuan)因(yin)，需(xu)要選(xuan)擇高(gao)精(jing)度(du)的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)，以(yi)(yi)獲取準確的(de)(de)(de)(de)應(ying)變(bian)(bian)(bian)數據(ju)。如(ru)果(guo)是(shi)為了(le)預(yu)測(ce)(ce)(ce)(ce)(ce)(ce)變(bian)(bian)(bian)形(xing)(xing)(xing)趨(qu)勢(shi)，可(ke)(ke)以(yi)(yi)選(xuan)擇較低精(jing)度(du)的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)，以(yi)(yi)獲取變(bian)(bian)(bian)形(xing)(xing)(xing)的(de)(de)(de)(de)大致情(qing)況即可(ke)(ke)。光學非(fei)接(jie)(jie)觸(chu)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)方法(fa)將(jiang)進一(yi)(yi)步提(ti)(ti)高(gao)其測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)精(jing)度(du)和應(ying)用范圍，為科學研究和工程(cheng)(cheng)實(shi)踐提(ti)(ti)供更多的(de)(de)(de)(de)支持(chi)和幫助(zhu)。西安哪里有賣數字圖像相(xiang)(xiang)關技(ji)(ji)術非(fei)接(jie)(jie)觸(chu)式應(ying)變(bian)(bian)(bian)系統

在材(cai)(cai)料(liao)(liao)數(shu)(shu)(shu)(shu)值模(mo)擬(ni)方面，橡(xiang)膠(jiao)材(cai)(cai)料(liao)(liao)的(de)(de)(de)(de)(de)特(te)(te)殊(shu)(shu)結(jie)構使得其特(te)(te)性(xing)存在不(bu)(bu)確定性(xing)，這(zhe)可能導致相同結(jie)構模(mo)型(xing)的(de)(de)(de)(de)(de)兩個樣品在測(ce)(ce)試(shi)時呈現不(bu)(bu)同的(de)(de)(de)(de)(de)動態行(xing)(xing)為。與具有特(te)(te)殊(shu)(shu)結(jie)構的(de)(de)(de)(de)(de)金屬材(cai)(cai)料(liao)(liao)相比(bi)，橡(xiang)膠(jiao)材(cai)(cai)料(liao)(liao)在拉伸性(xing)能測(ce)(ce)試(shi)中(zhong)表現出更優越的(de)(de)(de)(de)(de)彈性(xing)性(xing)能。實(shi)驗(yan)測(ce)(ce)量(liang)(liang)(liang)數(shu)(shu)(shu)(shu)據(ju)(ju)與預測(ce)(ce)結(jie)果基本一(yi)致。為了測(ce)(ce)量(liang)(liang)(liang)大拉伸變(bian)形(xing)材(cai)(cai)料(liao)(liao)，可以(yi)使用光學非接(jie)觸(chu)(chu)應(ying)變(bian)測(ce)(ce)量(liang)(liang)(liang)技(ji)(ji)術(shu)(shu)。這(zhe)種(zhong)技(ji)(ji)術(shu)(shu)利用高精度的(de)(de)(de)(de)(de)工業攝像機來(lai)測(ce)(ce)量(liang)(liang)(liang)小體積材(cai)(cai)料(liao)(liao)的(de)(de)(de)(de)(de)大變(bian)形(xing)。通(tong)過(guo)比(bi)較(jiao)有限元數(shu)(shu)(shu)(shu)值模(mo)擬(ni)和(he)光學非接(jie)觸(chu)(chu)應(ying)變(bian)測(ce)(ce)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)數(shu)(shu)(shu)(shu)據(ju)(ju)結(jie)果，可以(yi)修正數(shu)(shu)(shu)(shu)值模(mo)型(xing)的(de)(de)(de)(de)(de)數(shu)(shu)(shu)(shu)據(ju)(ju)，以(yi)滿足石化行(xing)(xing)業橡(xiang)膠(jiao)產(chan)品的(de)(de)(de)(de)(de)技(ji)(ji)術(shu)(shu)參數(shu)(shu)(shu)(shu)和(he)工藝性(xing)能要求。總之，光學非接(jie)觸(chu)(chu)應(ying)變(bian)測(ce)(ce)量(liang)(liang)(liang)是一(yi)種(zhong)有效的(de)(de)(de)(de)(de)方法，可以(yi)用于(yu)測(ce)(ce)量(liang)(liang)(liang)大拉伸變(bian)形(xing)材(cai)(cai)料(liao)(liao)。通(tong)過(guo)與有限元數(shu)(shu)(shu)(shu)值模(mo)擬(ni)的(de)(de)(de)(de)(de)數(shu)(shu)(shu)(shu)據(ju)(ju)結(jie)果進(jin)行(xing)(xing)比(bi)較(jiao)，可以(yi)修正數(shu)(shu)(shu)(shu)值模(mo)型(xing)，以(yi)滿足橡(xiang)膠(jiao)產(chan)品的(de)(de)(de)(de)(de)技(ji)(ji)術(shu)(shu)參數(shu)(shu)(shu)(shu)和(he)工藝性(xing)能要求。全場數(shu)(shu)(shu)(shu)字圖像相關技(ji)(ji)術(shu)(shu)總代理傳統的(de)(de)(de)(de)(de)接(jie)觸(chu)(chu)式應(ying)變(bian)測(ce)(ce)量(liang)(liang)(liang)方法需要校準且受限于(yu)傳感器(qi)剛度，而光學非接(jie)觸(chu)(chu)方法靈敏度更高。

建(jian)(jian)筑(zhu)物(wu)變(bian)(bian)形測(ce)(ce)量的(de)(de)(de)(de)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點應(ying)該(gai)設(she)置在不受變(bian)(bian)形影響的(de)(de)(de)(de)區域，例如(ru)遠(yuan)離(li)植被和高壓線(xian)的(de)(de)(de)(de)位(wei)置。這(zhe)(zhe)樣可(ke)(ke)以(yi)(yi)確(que)(que)(que)(que)保(bao)(bao)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點的(de)(de)(de)(de)穩(wen)定(ding)性和長期保(bao)(bao)存的(de)(de)(de)(de)可(ke)(ke)行(xing)性。為了確(que)(que)(que)(que)保(bao)(bao)測(ce)(ce)量的(de)(de)(de)(de)準(zhun)(zhun)(zhun)(zhun)確(que)(que)(que)(que)性和可(ke)(ke)靠性，建(jian)(jian)議(yi)在基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點處埋設(she)標石或標志(zhi)，并在埋設(she)后等待一(yi)段(duan)時(shi)間以(yi)(yi)確(que)(que)(que)(que)保(bao)(bao)其(qi)穩(wen)定(ding)。穩(wen)定(ding)期的(de)(de)(de)(de)確(que)(que)(que)(que)定(ding)應(ying)根據觀(guan)測(ce)(ce)要求和地質條(tiao)件來進行(xing)評(ping)估，一(yi)般來說，穩(wen)定(ding)期不應(ying)少(shao)于7天。在這(zhe)(zhe)段(duan)時(shi)間內，需要進行(xing)觀(guan)測(ce)(ce)和監測(ce)(ce)，以(yi)(yi)確(que)(que)(que)(que)保(bao)(bao)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點的(de)(de)(de)(de)穩(wen)定(ding)性。基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點應(ying)該(gai)定(ding)期進行(xing)檢(jian)測(ce)(ce)和復測(ce)(ce)，以(yi)(yi)確(que)(que)(que)(que)保(bao)(bao)其(qi)位(wei)置的(de)(de)(de)(de)穩(wen)定(ding)性。復測(ce)(ce)周期應(ying)根據基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點所在位(wei)置的(de)(de)(de)(de)穩(wen)定(ding)情況來確(que)(que)(que)(que)定(ding)。在建(jian)(jian)筑(zhu)施(shi)(shi)工過程中，建(jian)(jian)議(yi)每1-2個月對基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點進行(xing)一(yi)次(ci)復測(ce)(ce)。在施(shi)(shi)工結(jie)(jie)束后，建(jian)(jian)議(yi)每季度或每半年進行(xing)一(yi)次(ci)復測(ce)(ce)。如(ru)果(guo)(guo)在某次(ci)檢(jian)測(ce)(ce)中發(fa)現基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點可(ke)(ke)能發(fa)生變(bian)(bian)動(dong)，應(ying)立(li)即進行(xing)復測(ce)(ce)以(yi)(yi)確(que)(que)(que)(que)認結(jie)(jie)果(guo)(guo)。綜上所述，建(jian)(jian)筑(zhu)物(wu)變(bian)(bian)形測(ce)(ce)量的(de)(de)(de)(de)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點的(de)(de)(de)(de)設(she)置和管理非(fei)常重要。通過遵循以(yi)(yi)上建(jian)(jian)議(yi)，可(ke)(ke)以(yi)(yi)確(que)(que)(que)(que)保(bao)(bao)基(ji)(ji)準(zhun)(zhun)(zhun)(zhun)點的(de)(de)(de)(de)穩(wen)定(ding)性和測(ce)(ce)量結(jie)(jie)果(guo)(guo)的(de)(de)(de)(de)準(zhun)(zhun)(zhun)(zhun)確(que)(que)(que)(que)性，從而為建(jian)(jian)筑(zhu)物(wu)的(de)(de)(de)(de)變(bian)(bian)形監測(ce)(ce)提供可(ke)(ke)靠的(de)(de)(de)(de)數(shu)據支持。

隨著我(wo)國航空航天事業(ye)的(de)(de)(de)(de)(de)迅猛發展，新(xin)(xin)型飛行(xing)器的(de)(de)(de)(de)(de)飛行(xing)速(su)度(du)不(bu)斷(duan)提高(gao)(gao)，這(zhe)對其(qi)熱防(fang)護(hu)結(jie)構提出了(le)(le)更(geng)高(gao)(gao)的(de)(de)(de)(de)(de)要求。因此，熱結(jie)構材料的(de)(de)(de)(de)(de)高(gao)(gao)溫力(li)學(xue)性(xing)(xing)能(neng)成(cheng)為熱防(fang)護(hu)系(xi)統和(he)飛行(xing)器結(jie)構設計的(de)(de)(de)(de)(de)重要依據。數字圖(tu)像相關法（DIC）是一種新(xin)(xin)興的(de)(de)(de)(de)(de)光(guang)學(xue)非(fei)(fei)接(jie)觸應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)方法，相比傳(chuan)統的(de)(de)(de)(de)(de)變(bian)(bian)(bian)形測(ce)(ce)(ce)量(liang)(liang)方法，它具(ju)有適(shi)(shi)用范圍廣、環(huan)境適(shi)(shi)應(ying)性(xing)(xing)強、操作簡單和(he)測(ce)(ce)(ce)量(liang)(liang)精度(du)高(gao)(gao)等(deng)優點，特別(bie)是在(zai)高(gao)(gao)溫實(shi)驗中(zhong)(zhong)具(ju)有獨特的(de)(de)(de)(de)(de)優勢。在(zai)某(mou)單位(wei)的(de)(de)(de)(de)(de)研(yan)究中(zhong)(zhong)，他們(men)(men)采(cai)用了(le)(le)兩臺高(gao)(gao)速(su)相機來拍(pai)攝風(feng)洞(dong)中(zhong)(zhong)風(feng)載下垂尾(wei)模型的(de)(de)(de)(de)(de)震顫情(qing)況。通過光(guang)學(xue)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)系(xi)統，他們(men)(men)分析(xi)了(le)(le)不(bu)同(tong)風(feng)速(su)下各個位(wei)置（標記(ji)點）的(de)(de)(de)(de)(de)振(zhen)動情(qing)況以(yi)及散斑（C區域）的(de)(de)(de)(de)(de)變(bian)(bian)(bian)形狀態。通過這(zhe)些數據，他們(men)(men)獲(huo)得了(le)(le)該尾(wei)翼(yi)的(de)(de)(de)(de)(de)振(zhen)動模態參數和(he)振(zhen)型。光(guang)學(xue)非(fei)(fei)接(jie)觸應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)方法的(de)(de)(de)(de)(de)優勢在(zai)于它可以(yi)在(zai)不(bu)接(jie)觸被測(ce)(ce)(ce)物(wu)體的(de)(de)(de)(de)(de)情(qing)況下獲(huo)取其(qi)應(ying)變(bian)(bian)(bian)信息(xi)。這(zhe)對于高(gao)(gao)溫實(shi)驗來說(shuo)尤為重要，因為傳(chuan)統的(de)(de)(de)(de)(de)接(jie)觸式應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)方法在(zai)高(gao)(gao)溫環(huan)境下往(wang)往(wang)無法正常(chang)工作。而光(guang)學(xue)非(fei)(fei)接(jie)觸應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)方法可以(yi)通過分析(xi)圖(tu)像中(zhong)(zhong)的(de)(de)(de)(de)(de)散斑變(bian)(bian)(bian)形來獲(huo)取物(wu)體的(de)(de)(de)(de)(de)應(ying)變(bian)(bian)(bian)信息(xi)，從而實(shi)現(xian)對高(gao)(gao)溫結(jie)構的(de)(de)(de)(de)(de)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)。光(guang)學(xue)應(ying)變(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)可以(yi)用于研(yan)究金屬材料的(de)(de)(de)(de)(de)力(li)學(xue)性(xing)(xing)能(neng)，如彈(dan)性(xing)(xing)模量(liang)(liang)、屈(qu)服強度(du)和(he)斷(duan)裂(lie)韌性(xing)(xing)等(deng)。

光(guang)(guang)(guang)學(xue)(xue)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)和光(guang)(guang)(guang)學(xue)(xue)干(gan)涉測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)是兩種常見(jian)的(de)(de)(de)光(guang)(guang)(guang)學(xue)(xue)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)方(fang)法(fa)，它(ta)(ta)們在測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)原理(li)(li)(li)和應(ying)(ying)(ying)用(yong)領域上(shang)有著(zhu)明顯的(de)(de)(de)不(bu)(bu)同。下面(mian)(mian)將介(jie)紹光(guang)(guang)(guang)學(xue)(xue)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)工作(zuo)原理(li)(li)(li)，并與光(guang)(guang)(guang)學(xue)(xue)干(gan)涉測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)進(jin)行(xing)比較，以(yi)(yi)便(bian)更好地理(li)(li)(li)解它(ta)(ta)們之間的(de)(de)(de)區別。光(guang)(guang)(guang)學(xue)(xue)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)是一種通(tong)過測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)來獲得物(wu)(wu)體(ti)應(ying)(ying)(ying)力(li)狀態的(de)(de)(de)方(fang)法(fa)。它(ta)(ta)利(li)用(yong)光(guang)(guang)(guang)學(xue)(xue)傳感器測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)，從而間接地推斷出物(wu)(wu)體(ti)內部的(de)(de)(de)應(ying)(ying)(ying)力(li)分布。光(guang)(guang)(guang)學(xue)(xue)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)工作(zuo)原理(li)(li)(li)基于光(guang)(guang)(guang)柵(zha)(zha)投(tou)影和圖(tu)(tu)像(xiang)處理(li)(li)(li)技術。首先，將光(guang)(guang)(guang)柵(zha)(zha)投(tou)影在物(wu)(wu)體(ti)表面(mian)(mian)上(shang)，光(guang)(guang)(guang)柵(zha)(zha)的(de)(de)(de)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)將隨著(zhu)物(wu)(wu)體(ti)的(de)(de)(de)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)而發(fa)生變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)。然(ran)后(hou)，使(shi)用(yong)相(xiang)(xiang)機(ji)或其他(ta)光(guang)(guang)(guang)學(xue)(xue)傳感器捕捉(zhuo)光(guang)(guang)(guang)柵(zha)(zha)的(de)(de)(de)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)圖(tu)(tu)像(xiang)。通(tong)過對圖(tu)(tu)像(xiang)進(jin)行(xing)處理(li)(li)(li)和分析，可以(yi)(yi)得到(dao)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)分布。與光(guang)(guang)(guang)學(xue)(xue)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)相(xiang)(xiang)比，光(guang)(guang)(guang)學(xue)(xue)干(gan)涉測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)是一種直接測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)物(wu)(wu)體(ti)表面(mian)(mian)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)方(fang)法(fa)。它(ta)(ta)利(li)用(yong)光(guang)(guang)(guang)的(de)(de)(de)干(gan)涉現(xian)象來測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)。光(guang)(guang)(guang)學(xue)(xue)干(gan)涉測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)工作(zuo)原理(li)(li)(li)是將一束(shu)光(guang)(guang)(guang)分為(wei)兩束(shu)，分別經過不(bu)(bu)同的(de)(de)(de)光(guang)(guang)(guang)路，然(ran)后(hou)再次合成。當物(wu)(wu)體(ti)表面(mian)(mian)發(fa)生形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)時(shi)，兩束(shu)光(guang)(guang)(guang)的(de)(de)(de)相(xiang)(xiang)位差發(fa)生變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)，通(tong)過測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)相(xiang)(xiang)位差的(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)，可以(yi)(yi)得到(dao)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)信息。光(guang)(guang)(guang)學(xue)(xue)非(fei)接觸(chu)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)方(fang)法(fa)簡(jian)單易(yi)行(xing)，可以(yi)(yi)實(shi)時(shi)監測(ce)(ce)(ce)物(wu)(wu)體(ti)表面(mian)(mian)的(de)(de)(de)應(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)。江蘇哪里有賣VIC-3D非(fei)接觸(chu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形測(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)

光學(xue)(xue)應(ying)變(bian)測量(liang)在工程領域和科(ke)學(xue)(xue)研究(jiu)中(zhong)得到普(pu)遍應(ying)用，可(ke)以準(zhun)確測量(liang)物體在受力或(huo)變(bian)形作(zuo)用下(xia)的應(ying)變(bian)情況(kuang)。西安哪(na)里有賣(mai)數字(zi)圖像相(xiang)關技術非(fei)接觸式應(ying)變(bian)系統

變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)繞(rao)(rao)(rao)組(zu)(zu)(zu)變(bian)(bian)(bian)(bian)(bian)形測試(shi)系統(tong)采(cai)(cai)用(yong)了(le)目(mu)前世界發達國家正(zheng)在(zai)開發完善(shan)的(de)(de)內(nei)部(bu)(bu)故障(zhang)(zhang)(zhang)(zhang)(zhang)頻率(lv)響(xiang)應(ying)(ying)分(fen)析(xi)(xi)（FRA）方(fang)(fang)法。該方(fang)(fang)法通(tong)過(guo)(guo)測量變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)特(te)征(zheng)參(can)(can)數(shu)，可以(yi)準(zhun)確(que)判斷(duan)(duan)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)是(shi)否(fou)存在(zai)故障(zhang)(zhang)(zhang)(zhang)(zhang)。該測試(shi)系統(tong)將變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)繞(rao)(rao)(rao)組(zu)(zu)(zu)參(can)(can)數(shu)在(zai)不同(tong)頻域的(de)(de)響(xiang)應(ying)(ying)變(bian)(bian)(bian)(bian)(bian)化(hua)進行(xing)(xing)量化(hua)處理(li)。通(tong)過(guo)(guo)分(fen)析(xi)(xi)變(bian)(bian)(bian)(bian)(bian)化(hua)量值的(de)(de)大小、頻響(xiang)變(bian)(bian)(bian)(bian)(bian)化(hua)的(de)(de)幅度(du)、區(qu)域和趨勢(shi)，可以(yi)確(que)定變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)變(bian)(bian)(bian)(bian)(bian)化(hua)程度(du)。通(tong)過(guo)(guo)測量結(jie)果，可以(yi)判斷(duan)(duan)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)是(shi)否(fou)已經受到嚴重破(po)壞，是(shi)否(fou)需(xu)要(yao)進行(xing)(xing)大修。即使變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)在(zai)運行(xing)(xing)過(guo)(guo)程中沒有(you)保存頻域特(te)征(zheng)圖，也可以(yi)通(tong)過(guo)(guo)比較故障(zhang)(zhang)(zhang)(zhang)(zhang)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)線圈間特(te)征(zheng)圖譜的(de)(de)差異，對故障(zhang)(zhang)(zhang)(zhang)(zhang)程度(du)進行(xing)(xing)判斷(duan)(duan)。這(zhe)為運行(xing)(xing)中的(de)(de)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)提(ti)供了(le)一種有(you)效的(de)(de)故障(zhang)(zhang)(zhang)(zhang)(zhang)診斷(duan)(duan)方(fang)(fang)法。總之，變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)繞(rao)(rao)(rao)組(zu)(zu)(zu)變(bian)(bian)(bian)(bian)(bian)形測試(shi)系統(tong)采(cai)(cai)用(yong)了(le)內(nei)部(bu)(bu)故障(zhang)(zhang)(zhang)(zhang)(zhang)頻率(lv)響(xiang)應(ying)(ying)分(fen)析(xi)(xi)方(fang)(fang)法，通(tong)過(guo)(guo)測量變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)繞(rao)(rao)(rao)組(zu)(zu)(zu)的(de)(de)特(te)征(zheng)參(can)(can)數(shu)，可以(yi)準(zhun)確(que)判斷(duan)(duan)變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)是(shi)否(fou)存在(zai)故障(zhang)(zhang)(zhang)(zhang)(zhang)，并對故障(zhang)(zhang)(zhang)(zhang)(zhang)程度(du)進行(xing)(xing)評估。這(zhe)為變(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)的(de)(de)維護和修復提(ti)供了(le)重要(yao)的(de)(de)參(can)(can)考依據。西安哪里有(you)賣數(shu)字圖像相關技術非接觸式應(ying)(ying)變(bian)(bian)(bian)(bian)(bian)系統(tong)

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