超聲波成像 的英文怎麼說

中文拼音 [chāoshēngbōchéngxiàng]
超聲波成像 英文
ultrasonic imaging
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  • 像 : Ⅰ名詞1 （比照人物製成的形象） likeness （of sb ）; portrait; picture 2 [物理學] image Ⅱ動詞1 （在...
  1. Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm

    摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題，首先依據超聲波在混凝土中的傳播特點，在反演演算法中引入物理意義明確的自然權矩陣，對走時較小的射線和射線較密的成像單元加以重權。
  2. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明，相對于最小二乘法和阻尼最小二乘法，基於自然權的加權阻尼最小二乘演算法，由於利用了正確的先驗信息，不但使反演過程收斂，而且具有數值穩定、抗噪能力強的優點，其成像結果能真實有效地反映對象內部缺陷，因此更適用於混凝土的超聲波速度反演。
  3. In this paper, we study this aspects of ultrasonics, b - scan imaging, image collecting, digital image processing, and establish the whole frame of image processing. we first use matlab to simulate for its feasibility, then write programme and debug it

    本文對超聲波原理、 b超成像原理、圖像採集技術、數字圖像處理技術、三維可視化技術等進行了較為全面的研究，確定了圖像處理的總體方案，首先用matlab對要採用方法進行模擬以驗證可行性，然後進行軟體編制和調試。
  4. Ultrasonic bio - instrumentation has several display modes used in medicinal field now, such as b - mode and m - mode, etc. b - mode uses the modulated brightness to represent the amplitudes of ultrasonic echoes, and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one

    B型顯示是用亮度調制來顯示回波脈沖幅度，顯示的橫軸和縱軸與聲束掃描的位置一一對應，形成超聲切面圖像。
  5. The built - in color viewfinder provides bright, crisp images under virtually all conditions. radiometric firewire ieee 1394 output provides the bandwidth for fast downloading of calibrated

    探測器技術生成優異無噪聲圖像輪廓鮮明的高解析度的長波紅外熱圖每幅圖像超過76000個像素。
  6. It is a very high frequency sound wave and can be used to form ultrasound images for diagnostic treatment

    超聲波是很高頻率的聲波。超聲波可以形成超聲波影像，作為診斷疾病之用。
  7. Ultrasonic imaging well logging tool satisfies the needs of all kinds of complex situations of casing well through improving imaging quality and resolution

    摘要超聲波成像測井儀通過改善成像質量和解析度，較好地滿足了各種套管井復雜情況的需要。
  8. This paper gives a brief description of the principle of the borehole acoustic televiewer survey as well as the related technique and deals with the data interpretation

    可根據工程的需要，提供多種綜合分析圖件，為大型工程的地基基礎的地質結構分析、評價提供可靠依據，在香港開展的工程中使用了鉆孔超聲波成像，取得較好的效果。
  9. At present, in casing well logging, ultrasonic imaging well logging tool is mainly used in cement bond appraisal and casing inspection, so as to makes intuitionistic and accurate judgment to the well cementation quality and the casing pipe condition

    目前，在套管井測井中，超聲波成像測井儀主要用於水泥膠結評價和套管檢查，以便對固井質量和套管狀況作出直觀準確的判斷。
  10. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  11. We have infrared image and ultrasonic detection machine, which promised the danger in time

    公司擁有紅外熱成像儀、超聲波探測器等先進的儀器設備，能及時發現消防隱患。
  12. Based on the analysis of ultrasonic imaging theory, the paper puts forward a signal processing scheme in synthetic aperture focusing technique

    本文首先介紹了超聲成像的理論基礎，分析了脈沖回波系統解析度不高的原因及一般改進措施。
  13. Conventional detectors, for example, inductive loop, detectors using ultrasonic, microwave, or infrared, have been put into use for several decades. meanwhile, a promising approach, video - based measurement system, has developed quickly. since it has many advantages, for instance, wider - area detection and superior flexibility, many researches have been done in this area

    交通流檢測器有電磁感應線圈、超聲波檢測器、微波檢測器和紅外光標等多種方式，而基於圖像處理的視頻檢測方式近年發展很快，因為它具有大區域檢測、設置靈活等優越性，已成為智能交通系統的一個研究熱點。
  14. A study of enhancing images derived from ultrasonic imaging logging with wavelet transform

    小波變換用於超聲成像測井圖像增強處理的研究
  15. At last, the successful using of computed tomography in no. 1 pile in the left of honest 24 of f1 bid of su - tong bridge and no. 3 pile of honest 26 of wuhekou bridge of su - huai speedway, validate the reliability, advantage, and superiority of the computed tomography

    文章的最後，運用超聲波層析成像技術檢測了蘇通大橋f1標24前左1號樁以及宿淮高速公路五河口斜拉橋26號墩26 - 3號樁，取得了很好的效果，驗證了層析成像技術的可靠性、先進性和優越性。
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