介绍了一种测量电磁超声声场分布的方法。
A method for measuring acoustic field of electromagnetic ultrasound is introduced.
为电磁超声传感器设计和开发提供了依据。
介绍了电磁超声、激光超声及超声成像等新技术。
The electromagnetic acoustic technique, laser ultrasonic technique, ultrasonic imaging and so on are also introduced.
针对电磁超声实验对脉冲电源的需求,研制了一种高频脉冲电源。
A kind of high frequency pulse electrical source at the need of electromagnetic ultrasonic experiments is presented.
介绍了一种基于电磁超声波技术的火车车轮表面裂纹自动检测系统的设计方法。
Made a design of electromagnetic acoustic automatic detecting system for surface cracks of the train-wheels.
本文阐述了用电磁超声技术探测钢管两端盲区进行的试验,并作了分析与探讨。
This article introduces, discusses and analyzes the test of Elaectro-magnetic technology for the inspection of the pipe end blind area.
电磁超声换能器(EMAT)是一种通过电磁耦合方法产生和接收超声波的换能器。
An electromagnetic acoustic transducer (EMAT) can produce and receive ultrasonic waves though electromagnetic coupling.
算法在改善电磁超声系统数据波形质量、提高系统的检测准确性方面具有一定参考作用。
This algorithm will improve the waveform quality and raise the detection accuracy of the EMAT system.
本发明提供一种可在各种恶劣环境下对试件厚度进行测量的电磁超声测厚仪及其测量方法。
The invention provides an electromagnetic ultrasonic thickness gauge for measuring the thickness of a specimen in a variety of abominable environments and a measurement method thereof.
简要叙述了电磁超声换能器(EMAT)的基本原理、主要特点及其在管加工厂管端探伤中应用的情况。
Introducing the theory of EMAT as well as its main characters and the applications in pipe end inspection at pipe Finishing Plant.
阐述了我国电站锅炉管道无损检测自动化技术的发展趋势,提出应积极研究、开发和推广电磁超声技术和蒸汽管道泄漏超声检测技术。
It is pointed out that the research, development and popularization of electromagnetic ultrasonic testing and ultrasonic detection of leakage in steam pipelines should be carried out.
他的方法与DrEcht有些类似,但他没有用超声波而是利用电磁感应效应来刺激植入的小型接受器,接受器再刺激心脏。
It is similar to Dr Echt’s leadless pacemaker, but it uses electromagnetic induction, rather than ultrasound, to stimulate a small implanted receiver, which in turn stimulates the heart.
本文主要是对用电磁声换能器,通过测量超声波幅度变化来测量铁磁性材料内部应力的方法进行实验研究。
The stress in ferromagnetic materials was studied by measuring the change of the amplitude of ultrasonic wave with electromagnetic acoustic transducers.
在此基础上介绍一种由电磁分钢、涡流探伤、漏磁探伤及超声测量组成的钢管在线组合检测技术及其应用结果。
An online combined NDT technology is introduced, which composed of electromagnetic identification of materials, eddy current and magnetic flux leakage testing and ultrasonic measurements.
目的探讨电磁脉冲照射前、后SD大鼠心肌组织超声背向散射参数变化特点。
AIM to explore the alternating pattern of myocardial ultrasonic integrated backscatter of SD rats before and after being exposed to electromagnetic pulse (EMP).
目前虽已有电磁、静电、压电、超声等多种驱动形式的微马达问世,但不免有其各自的缺点。
Though there are several kinds of micro motors such as electromagnetic, electrostatic, piezoelectric and ultrasound micro motors currently, they all have their own limits.
介绍了热量表采用的电磁式、超声波式、机械式流量计的技术特点。
The technical characteristics of electromagnetic, ultrasonic and mechanical flowmeters used in heat meters are introduced.
对材料硬度、硬化层深度、晶粒大小、极限强度等主要采用电磁检测和超声检测。
Electromagnetic testing and ultrasonic testing are the main points for materials hardness, hardness depth, crystallite size, limiting intensity etc.
介绍了微电子机械系统中的关键执行部件——超微电机,包括静电型微电机、电磁型微电机、超声波微电机等。
Micro motors, one of the important devices in the micro electromechanical system, are discussed, including electrostatic micro-motors, electromagnetic micro-motors and ultrasonic micro-motors.
超声波电机是一种新型的电机,它有许多电磁电机无法比拟的优点,但它的数学模型的强非线性和时变性,使高精度的位置定位非常困难。
Ultrasonic Motor (USM) has excellent performance and many useful features, however, its mathematical model has strong non-linearity and time-variety to make precise position servo very difficult.
研究了复合场(功率超声场和旋转电磁场复合)对A356合金凝固行为的影响。
The study was carried out to investigate the effect of compound field which is a combination of electromagnetic field and power ultrasonic field on solidification process of A356 alloy.
目前,在工业生产和设备检测中,对于金属板材或者金属设备的厚度测量,通常有超声、射线、电磁涡流等不同方法。
Now, in the industry manufacture and equipment testing, there are several methods for the metal thickness measurement, as ultrasonic, X-ray, eddy current and so on.
通过对外加电磁场下的扩压器与无外加电磁场条件下扩压器的比较,总结了MHD控制对于超声速扩压器的作用效果评估。
Through the comparison of the diffuser with and without added electric and magnetic field, the evaluation of MHD control effect on supersonic diffuser is concluded.
目前非接触搬运技术主要有电磁式、超声波式和空气悬浮式等几种方式。
Now the non-contact handing technologies having been adopted are mainly electromagnetic, ultrasonic, air suspension, etc.
利用传统电磁感应理论研究了无接触感应电能传输系统和应用在超声振动加工系统中的设计方法。
Contactless inductive power transfer system with conventional inductive technology was researched and a design method was presented after applying it to ultrasonic vibration machining system.
糖厂是石灰消耗大户,如何提高石灰消和度以降低石灰耗量在国内报道甚少,本文探讨了超声波及电磁搅拌对石灰消和的作用。
Sugar Factories are large consumers of lime, but very fow has been reported on how to increase lime slaking to reduce the consumption.
摘要本文主要介绍脉冲激光激发超声波、电磁传感器检出方案。
This paper mainly presents the method of Laser ultrasonic exciting and EMAT detecting.
摘要本文主要介绍脉冲激光激发超声波、电磁传感器检出方案。
This paper mainly presents the method of Laser ultrasonic exciting and EMAT detecting.
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