In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
This paper expounds the measuring principle of ultrasonic liquid gauge, its practical hardware circuit and software design method.
阐述了超声波液位计的测量原理，给出了实用的硬件电路与软件设计方法。
The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented.
本文介绍了压电薄膜检测的激光超声系统对CVD金刚石膜声速测量的原理及方法。
This method realizes evolutionary inversion automatically in ultrasonic measuring the feature of unidirectional fiber composite.
该方法实现了超声测量单向复合纤维材料特性的自动递进反演过程。
In order to effectively determine the residual-stress profile of an aluminum alloy, the measuring method was studied by the laser ultrasonic technique.
为了有效检测铝合金材料上的残余应力分布，研究了用激光超声技术来检测铝合金材料上的残余应力分布的方法。
Our laser - ultrasonic method is better than existing laser methods for measuring flows. So we use our laser - ultrasonic method to measure the vortex field of the flow.
激光-超声方法是通过测量由流动引起的超声脉冲信号在两束或更多来激光之间传递的时间差实现旋涡场测量的。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换，达到用纵波探头测量材料横波衰减系数的方法。
To against the problems existing in ultrasonic level detection, the measuring principle, calculation formula and applicable features of the method of structural light of laser is introduced.
针对超声液面检测技术中存在的问题介绍了激光结构光法的测量原理、计算公式和应用特点。
Based on ultrasonic measuring distance technology, a new method of detecting obstacle and giving a wide berth used in electric wheelchairs is presented.
根据超声波测距原理，提出一种基于超声测距技术的电动轮椅车检测障碍物、避障的新方法。
The measuring method used in this paper would be a basis for ultrasonic array scanning technique, and may be a method for the evaluation of the CFR material.
所建立的方法可进一步用于这种材料的检测，并为研究材料的阵列扫描检测技术提供了基础。
The method of ultrasonic and pullout test can get higher precision for measuring concrete compressive strength.
超声拉拔综合法用于检测砼的强度，可以提高测试精度。
The principle of ultrasonic measuring distance in the air was analyzed. A method of improving the measurement precision by correcting transmission speed with inspecting temperature was put forward.
分析了空气中超声波测距原理，提出了通过温度测量修正超声波传播速度，提高空气中测量精度的方法。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
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.
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.
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。
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