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      超声无损检测     
相关语句
  ultrasonic nondestructive testing
    Application of Artificial Neural Network to Ultrasonic Nondestructive Testing
    人工神经网络在超声无损检测中的应用
短句来源
    DEVELOPMENT OF ULTRASONIC NONDESTRUCTIVE TESTING TECHNIQUES
    超声无损检测的若干新进展
短句来源
    Not only normal signal processing functions, such as filtering and spectrum analysisi are presented, but also the system is capable of reducing all kinds of noises encountered in ultrasonic nondestructive testing. In addition, wavelet and wavelet packet analysis are contained.
    系统不但具有常规信号处理功能,如滤波、频谱分析,而且能处理超声无损检测中的各种噪声,此外还能进行小波分析和小波包分析。
短句来源
    The study on the inverse problems in the ultrasonic nondestructive testing (NDT) has a wide application field in various industries.
    超声无损检测中逆问题(反演)的研究在众多的工业领域有广阔的应用前景。
短句来源
  ultrasonic non-destructive testing
    Application of Wavelet Analysis and Artificial Neutral Networks to Flaw Classification in Ultrasonic Non-destructive Testing
    小波分析和人工神经网络在金属超声无损检测缺陷分类中的应用
短句来源
  ultrasonic nondestructive
    Electromagnetism ultrasonic nondestructive technology and its application
    电磁超声无损检测技术及其应用
短句来源
    DEVELOPMENT OF ULTRASONIC NONDESTRUCTIVE TESTING TECHNIQUES
    超声无损检测的若干新进展
短句来源
    Not only normal signal processing functions, such as filtering and spectrum analysisi are presented, but also the system is capable of reducing all kinds of noises encountered in ultrasonic nondestructive testing. In addition, wavelet and wavelet packet analysis are contained.
    系统不但具有常规信号处理功能,如滤波、频谱分析,而且能处理超声无损检测中的各种噪声,此外还能进行小波分析和小波包分析。
短句来源
    The study on the inverse problems in the ultrasonic nondestructive testing (NDT) has a wide application field in various industries.
    超声无损检测中逆问题(反演)的研究在众多的工业领域有广阔的应用前景。
短句来源
  “超声无损检测”译为未确定词的双语例句
    Digital matched filter technique in ultrasonic non-destructive test
    超声无损检测中的数字匹配滤波技术
短句来源
    An Application of Focusing Probe in SiCp/Al Composites′ Nondestructive Testing
    聚焦换能器在SiCp/Al复合材料超声无损检测中的应用
短句来源
    Laser Uitrasonic Techniques for Non-destructive Testing
    激光超声无损检测
短句来源
    A Non-Destructive Ultrasonic Method for Hydraulic Driver Piston Displacement Monitoring
    超声无损检测技术应用于液压活塞行程定位的监测
短句来源
    Such research result has an important engineering applied and theoretical value on achieving the air-ultrasonic nondestructive examination.
    上述研究成果对于实现空气超声无损检测有非常重要的工程应用价值及理论价值。
短句来源
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  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          
  ultrasonic ndt
Korolev, the oldest worker of the Central Research Institute for Heavy Machinery (TsNIITMASh), has told about some episodes on the initial stages of the ultrasonic NDT development.
例句来源      
Today, the TOFD procedure is used for operational inspections or quality control of structures during production instead of routine radiography and ultrasonic NDT procedures [1].
例句来源      
A novel method of time-frequency analysis, wavelet-packet atomic decomposition based on the matching-pursuit (MP) algorithm, is proposed for improvement of ultrasonic flaw detection during ultrasonic NDT.
例句来源      
A single sided, air coupled ultrasonic NDT system based on the generation and reception of the a0 Lamb mode is described.
例句来源      
A Comparison of Q-Switched and Intensity Modulated Laser Pulses for Ultrasonic NDT
例句来源      
更多          
  ultrasonic non-destructive testing
Application of Hilbert-Huang signal processing to ultrasonic non-destructive testing of oil pipelines
例句来源      
A Blind Source Separation Technique for Extracting Sinusoidal Interferences in Ultrasonic Non-Destructive Testing
例句来源      
  ultrasonic nondestructive
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          



         This paper describes the structure design, technical point, performance measurement and effective application of ultrasonic transducers using PVDF organic piezoelectric film.
            本丈描述了聚偏氟乙烯(PVDF)有机压电薄膜超声换能器的结构设计、工艺要点、性能测试和有效的应用。 测试结果指出,PVDF超声换能器具有良好的宽带特性以及在直到10MHz频率范围的平坦的频率响应。 实验证明,利用铜背衬结构可以提高薄膜换能器的发射灵敏度和接收灵敏度。 若干应用预示,PVDF压电薄膜超声换能器在超声无损检测超声成像和超声诊断等诸多应用领域有着广阔的前景。
文摘来源
         A pulse compression system in non-destructive testing, which consists of linear frequency modulated pulse signal and digital Matched filter using digital electric exciting signal, is presented. Ultrasonic pulse compression signal is obtained in various time bandwidth products systems. Experimental results are in fine agreement with the theory. The reduction of sidelobe of -41.9 dB and -41.5 dB can be achieved for Hamming and Gaussiau weighed signal. The performance of ultrasonic detecting system will be imp...
            本文在超声无损检测技术中采用线性调频脉冲信号,并用数字化了的电激励信号自身作为数字匹配滤波器,在不同的时延带宽乘积的系统中得到了声脉冲的压缩信号。实验结果与理论预期值符合得很好.对于Hamming和Gaussian时间加权的信号,其旁瓣抑制可分别达到—41.9dB和—41.5dB.数字匹配滤波技术的引入可以有力地改善超声检测系统的性能。
文摘来源
         To raise the precision and reliability of ultrasonic testing, several multi-dimensional ultrasonic transducers, or two-dimensiollal transducers and three-dimensional transducers, are investigated. Analyses and trials are made for their applications in acoustic emission and ultrasonic stress measurement.
            为提高超声无损检测的精度和可靠性,本文研究了几种多分量超声波换能器,即二分量换能器和三分量换能器,分析和探讨了它们在声发射检测以及超声法应力测试中的应用.
文摘来源
 
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