超声波无损检测      ultrasonic nondestructive testing(4) ultrasonic nondestructive test(1) nondestructive ultrasonic inspection(2) ultrasonic nondestructive detection(3)   ultrasonic nondestructive testing      The thesis uses pulse-echo method, chooses TMS320VC5402 from TI which is core of control and operation in the system, equips high speed A/D and other high precision components. After doing some research about ultrasonic transmitting characteristics, a ultrasonic nondestructive testing system has been designed based on DSP.      本文采用脉冲反射法，选用TI公司的DSP芯片TMS320VC5402作为整个设计的控制和运算核心，配以高速A／D转换器件及其他高精度器件，在对超声波传播特性进行研究的基础上，研制了基于DSP的超声波无损检测系统。 短句来源      As an advanced detection method, ultrasonic nondestructive testing computerized tomography (CT) technology is used to detect inner quality of concrete structure.      超声波无损检测中的层析成像技术，作为一种先进的检测技术被广泛应用于混凝土结构的内部质量检测中。 短句来源      An integrated ultrasonic nondestructive testing and evaluation system based on MATLAB is established in the present paper. Having multi-functions of signal sampling, analysis, processing and evaluation and having a defect base, the system is very convenient in ultrasonic nondestructive testing and evaluation works.      本文建立了一个基于MATLAB的集成化的超声波无损检测和无损评价系统,该系统集信号采集、分析、处理、评价于一体,还有典型缺陷库,用于超声波无损检测和评价时十分方便。 短句来源      NDT principle and methods of testing are briefly introduced,through compared with ultrasonic nondestructive testing technology,NDT has originality,by use of technology of millimeter-wave,the sensor and the system of NDT have been designed,on which not only the theoretical model of microwave testing of NDT operating station but also the design of this system model and mainly technical parameters and samplings of application.      本文简要介绍了微波无损检测的特点和检测方法,通过与超声波无损检测技术比较,指出了微波无损检测技术的独到之处。 利用毫米波技术,自行设计了传感器和微波NDT扫描系统,并给出了微波NDT工作站的检测理论模型,系统模块的设计和主要技术指标以及应用实例。 短句来源   ultrasonic nondestructive test      Ultrasonic Nondestructive Test of Steel-bonded Cemented Carbide      钢结硬质合金的超声波无损检测 短句来源   nondestructive ultrasonic inspection      Computer simulation of nondestructive ultrasonic inspection      超声波无损检测的计算机模拟 短句来源      Using object-oriented programming language Visual C++ and 3D scene developing tool OpenGL as development tools and according to the object-oriented programming method,a simulation software for nondestructive ultrasonic inspection is developed based on ray-tracing principle.      以“声线跟踪法”为基础,运用面向对象的编程语言V isual C++和三维场景开发工具OpenGL,按照面向对象的程序设计思想开发了超声波无损检测仿真软件。 短句来源   ultrasonic nondestructive detection      Characteristic of Ultrasonic Nondestructive Detection for Pt-25Ir Alloy Sheet      Pt-25Ir合金板超声波无损检测的特性 短句来源      Study on Evaluating Composites Performance with Ultrasonic Nondestructive Detection      超声波无损检测方法识别复合材料性能的方法初探 短句来源      Degree of hydration and harm of unhydrous cement on concrete are studied in this paper. The concrete structure is detected by the ultrasonic nondestructive detection instrument.      本文较系统地研究了低水灰比混凝土的水化程度,未水化胶凝材料后期继续水化对混凝土强度的影响,并采用超声波无损检测技术研究了后期水化对混凝土结构的损伤情况。 短句来源     查询“超声波无损检测”译词为其他词的双语例句   查询“超声波无损检测”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   ultrasonic nondestructive testing Development of Methods of Ultrasonic Nondestructive Testing of Welded Joints 例句来源       The methods of ultrasonic nondestructive testing of welded joints used in Russia are reviewed. 例句来源       A veteran tells about some episodes of coming into being ultrasonic nondestructive testing in Russia. 例句来源       Issues related to the solution of the direct and inverse problems of ultrasonic nondestructive testing are discussed. 例句来源       Issues related to the solution of the direct and inverse problems of ultrasonic nondestructive testing are discussed. 例句来源       更多                    On the basis of normal ultrasonic NDT(Non Destructive Testing), the numerical signal analysis methods, the wavelet transformation, and the singularity analysis methods are used to characterize the weak signal reflected by friction welding defects from the large noise. The weak bonding defect, which can not be detected out using normal NDT methods, are detected out with the methods, and the precision of the detecting results to the other welding defects are increased with the methods. The characteristic ana...             在常规超声波无损检测基础上，利用数字信号处理技术、小波变换方法，以及奇异性分析技术，从大的背景噪声中提取出了摩擦焊缺陷微弱信号。检测出目前利用常规无损检测方法不能检测出的弱接合缺陷，并提高了检测其他焊接缺陷的精度。进而运用特征参量分析方法和模糊分析方法，准确有效地对摩擦焊缺陷进行识别和分类。 文摘来源          The wavelet transformation and the singularity analysis methods are introduced in the ultrasonic NDT toget the weak signal reflected by the welding defects as the usage of ultrasonic numerical signals. The weakbonding defects, which is always appeared in the friction welded joint and can not be detected out by the normal NDT methods, are detected out effectively by using our methods and the detecting precision is high. Inthe industry of oil and gas, friction welded joints are used frequently. At the same t...             通过超声波信号数字化，方便地在超声波无损检测中引入了小波变换方法及奇异性分析技术，从大的背景噪声中提取出了微弱的伤波信号，有效而准确地对在石油、天然气行业中大量使用的摩擦焊接头进行无损检测与评价。尤其适合对弱结合焊接缺陷进行无损检测，并具有很高的准确率。同时．本文还研究了弱接合缺陷对焊接接头冲击韧性的影响。 文摘来源          This paper introduced the mathods of magnetic and ultrasonic NDT to inspect the defects in crankshaft,the results were statistically analysed, the location in which defects occur frequently was faund and the defects-produced mechanism was anatysed.Accordingly, some preventive measures for spheroidal cast iron crankshaft producers.were suggested.             本文介绍了在某球墨铸铁曲轴生产厂，采用磁粉和超声波无损检测方法对曲轴进行探伤，并对探伤中发现缺陷进行了统计分析，找出了缺陷多发部位，并就产生缺陷的原理及形成机理进行了分析，提出了相应的预防措施，以期对球墨铸铁曲轴生产者有所帮助。 文摘来源   << 更多相关文摘         相关查询: 超声波无损检测技术 无损检测 超声波 超声波遥控器 γ无损检测 超声波熔接 超声波加热 混凝土无损检测 超声波水位仪 超声波测距器 超声波洁治 超声波距  对查询结果不满意

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