開放式系統互聯(lian)模型(xing)(xing)（OpenSystemInterconnection Model，簡稱(cheng)為(wei)OSI模型(xing)(xing)）是一種互聯(lian)網概念化模型(xing)(xing)，由國際的標準(zhun)化組(zu)織(InternationalOrganization forStandardization，熱紅外線(xian)成像(xiang)儀，簡稱(cheng)為(wei)ISO)提出(chu)，定義于ISO/IEC 7498-1。OSI模型(xing)(xing)將互聯(lian)網分為(wei)七層(ceng)(ceng)(ceng)(ceng)(ceng)，熱紅外線(xian)成像(xiang)儀廠家，由較高層(ceng)(ceng)(ceng)(ceng)(ceng)（用戶端）到底層(ceng)(ceng)(ceng)(ceng)(ceng)（物理層(ceng)(ceng)(ceng)(ceng)(ceng)面）排列為(wei)：第(di)(di)(di)(di)7層(ceng)(ceng)(ceng)(ceng)(ceng) 應用層(ceng)(ceng)(ceng)(ceng)(ceng)（Application Layer）;第(di)(di)(di)(di)6層(ceng)(ceng)(ceng)(ceng)(ceng) 表達層(ceng)(ceng)(ceng)(ceng)(ceng)（Presentation Layer）；第(di)(di)(di)(di)5層(ceng)(ceng)(ceng)(ceng)(ceng) 會話層(ceng)(ceng)(ceng)(ceng)(ceng)（Session Layer）；第(di)(di)(di)(di)4層(ceng)(ceng)(ceng)(ceng)(ceng) 傳輸(shu)層(ceng)(ceng)(ceng)(ceng)(ceng)（Transport Layer）；第(di)(di)(di)(di)3層(ceng)(ceng)(ceng)(ceng)(ceng) 網絡層(ceng)(ceng)(ceng)(ceng)(ceng)（Network Layer）；第(di)(di)(di)(di)2層(ceng)(ceng)(ceng)(ceng)(ceng) 數據鏈接(jie)層(ceng)(ceng)(ceng)(ceng)(ceng)（Data Link Layer）首(shou)層(ceng)(ceng)(ceng)(ceng)(ceng) 物理層(ceng)(ceng)(ceng)(ceng)(ceng)（Physical Layer）；本詞條是第(di)(di)(di)(di)四層(ceng)(ceng)(ceng)(ceng)(ceng)傳輸(shu)層(ceng)(ceng)(ceng)(ceng)(ceng)中的一種協議(yi)（TCP）的選項之一。

磁致伸縮導波技術發展(zhan)特點

磁(ci)致伸(shen)(shen)縮(suo)導波(bo)技術(shu)具有以下發展特點(dian)：高(gao)靈敏度和高(gao)分(fen)辨(bian)(bian)率：磁(ci)致伸(shen)(shen)縮(suo)導波(bo)技術(shu)可(ke)以實時監測(ce)(ce)材料的(de)(de)微(wei)小變化，熱紅外線成像儀采(cai)購，并(bing)且具有很高(gao)的(de)(de)靈敏度和分(fen)辨(bian)(bian)率，可(ke)以檢測(ce)(ce)出材料內部(bu)的(de)(de)細微(wei)缺陷和損傷。非接觸(chu)式(shi)檢測(ce)(ce)：磁(ci)致伸(shen)(shen)縮(suo)導波(bo)技術(shu)是一種非接觸(chu)式(shi)檢測(ce)(ce)技術(shu)，可(ke)以避免對材料進行二次損傷，適(shi)用于復雜環境和難(nan)以到達的(de)(de)檢測(ce)(ce)位置。

導波檢測應用場景

導(dao)波(bo)檢(jian)(jian)(jian)測(ce)(ce)(ce)還(huan)有以(yi)下其(qi)他應(ying)用(yong)(yong)場景：鐵路軌道檢(jian)(jian)(jian)測(ce)(ce)(ce)：導(dao)波(bo)檢(jian)(jian)(jian)測(ce)(ce)(ce)可以(yi)用(yong)(yong)于鐵路軌道的(de)檢(jian)(jian)(jian)測(ce)(ce)(ce)，檢(jian)(jian)(jian)測(ce)(ce)(ce)鐵路軌道的(de)裂(lie)紋、焊接質量等問題。通過在軌道表面施(shi)加超聲波(bo)信(xin)(xin)號(hao)，熱(re)紅外線成像儀(yi)報價，導(dao)波(bo)檢(jian)(jian)(jian)測(ce)(ce)(ce)可以(yi)檢(jian)(jian)(jian)測(ce)(ce)(ce)到軌道內(nei)部的(de)缺(que)陷(xian)和(he)損傷，并(bing)且可以(yi)評估其(qi)嚴重程度和(he)位(wei)置。板(ban)材(cai)檢(jian)(jian)(jian)測(ce)(ce)(ce)：導(dao)波(bo)檢(jian)(jian)(jian)測(ce)(ce)(ce)可以(yi)應(ying)用(yong)(yong)于板(ban)材(cai)的(de)檢(jian)(jian)(jian)測(ce)(ce)(ce)，包括(kuo)鋼(gang)板(ban)、鋁(lv)板(ban)、銅板(ban)等。通過在板(ban)材(cai)表面施(shi)加超聲波(bo)信(xin)(xin)號(hao)，導(dao)波(bo)檢(jian)(jian)(jian)測(ce)(ce)(ce)可以(yi)檢(jian)(jian)(jian)測(ce)(ce)(ce)到板(ban)材(cai)內(nei)部的(de)缺(que)陷(xian)和(he)損傷，并(bing)且可以(yi)評估其(qi)大(da)小和(he)位(wei)置。