surface echo 中文意思是什麼
surface echo
解釋
表面電導式濕度傳感器-
An universal equation, which can be directly used to compute the compensation resulted by the surface roughness, was deduced according to the flat - bottomed echo formula
根據大平底回波聲壓公式推導出了工件表面粗糙度和補償量之間的關系，可直接通過計算得到表面粗糙度引起的衰減量。 -
Nondestructive testing is a very important and difficult research lesson about the defect of concrete structures. this paper mainly measures the stress waves conveying in concrete structures and the depth of surface - opening cracks in concrete plates by using impact echo method after carefully reading a lot of articles about the state and the abroad of concrete nondestructive in the field and incorporating the special conditions on the laboratory
混凝土結構物的缺陷的無損檢測是一個非常重要而又非常困難的研究課題，本論文在大量參閱了國內外關于混凝土結構物無損檢測的研究資料后，結合本實驗室的具體條件，應用沖擊反射法集中對應力波在混凝土板塊內傳播速度和混凝土結構物內部開口裂紋深度的測量等一系列問題展開了研究。 -
Secondly, according to the theory of impact echo method examining flaws, the road surface and the bridge surface are aimed as study targets, four concrete plates are made with differently deep surface - opening cracks. using the experimental system of impact echo method made by sansalone etc., this paper measures the stress waves velocity conveying in concrete plates by using one transducer or two transducers, and measures the depth of surface - opening cracks in concrete plates by using two transducers, and then the important data are attained
接著，根據沖擊反射法檢測結構物缺陷的原理，以路面和橋面的開口裂紋為研究對象，製作了帶有不同深度開口裂紋的混凝土板塊，使用sansalone等人開發的沖擊反射法實驗系統，用單傳感器和雙傳感器分別對混凝土板塊內應力波傳播的速度和不同深度的開口裂紋進行了測量，得到了重要的實驗數據。 -
Each of such bodies as tunnel lining, road way and road surface floorslab has only one inspection face, and the shock echo method has become a new technique for detecting thickness and defects
摘要隧道襯砌、路道、路面樓板等只有一個檢測面，沖擊回波法成為新的厚度及缺陷檢測方法。 -
At last, base on the windows2000 operation system, the soft wrap of impact echo examining system is explored by using the language matlab6. 1. the soft can achieve some function, including calculating the velocity of p _ wave in concrete plates by using one transducer or two transducers, amounting the depth of surface - opening cracks in concrete plates by using two transducers and measuring the depth of highway
最後，基於windows2000操作平臺，用matlab6 . 1語言編制了沖擊反射法測量系統的軟體包。此測量系統能具有用單傳感器測量波速、用雙傳感器測量波速、用雙傳感器測量混凝土板塊開口裂紋的深度和測量公路路面的厚度等功能。整個系統具有友好的人機界面，操作簡單，計算快捷，結果的顯示直觀。 -
Therefore, it is necessary for guaranteeing the quality of steel plate to detect and repair the roll profile timely and exactly. this paper presents the sonic circulation and multi - pulse echo principle and designs roll profile ultrasonic measurement system based on the analysis of 3d surface measurement technology and roll profile measurement methods
本文在分析了三維面型檢測的發展現狀及目前輥型的檢測方法的基礎上，提出了聲循環多次脈沖反射測量原理，並以此為基礎設計了上位機化的超聲波輥型測量系統。
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