In this paper, a method of measuring the input mechanical impedance of the array element (longitudinal vibrating transducer) with square radiation head by using impulse sound tube is proposed.
本文提出了以声脉冲管测量辐射头为方形的一种阵元(纵向振动换能器)的输入力阻抗的方法。
Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
The giant magnetostrictive transducer, using a giant magnetostrictive material as a main element, can transform electromagnetic energy into mechanical energy.
超磁致伸缩换能器是利用超磁致伸缩材料将电磁能转化为机械振动的一种机械装置。
The strain force transducer made of elastic steel ring and the fabricating technique are introduced. The elastic characteristic of the elastic element has been improved by heat treatment.
介绍了由弹性钢环制成的应变式力传感器及其制作工艺，特别是弹性元件经过热处理后改善了弹性特性。
It is designed that the main circuit and control system using the IGBT as its switch element based on the DC750V traction transducer of metro vehicles. The system is also simulated by MATLAB/SIMULINK.
以地铁车辆用DC750V牵引变频器为例，采用IGBT作为主要开关元件设计了逆变器主电路及控制系统，并利用MATLAB/SIMULINK进行了仿真。
Ultrasonic phased array technology USES an array of ultrasonic transducer array element for each phase control, access to flexible and controllable synthesis of beam.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
A special circuit linearizes the transducer and flow element so the digital display is more accurate even without compensation or correction.
专用电路使传感器和流量元件直线化，因此，即使在毫无补偿或更正的情况下，数字读取器仍然精准。
A transducer is the mechanism, or element, of the sensor that transforms the energy associated with what is being measured into another form of energy.
交换器是传感器的机制或元素，它将测量到的能源转换成另一种形式的能源。
The finite element analysis method was used to analyze the static electric field with the orthogonal design method to optimize the transducer.
采用三维有限元方法和正交试验设计方法相结合对传感器结构进行了优化设计。
This paper describes the capacitance transducer used in the yarn irregularity measuring system by the finite element method.
提出了将有限元法引到条干不均匀测试中电容传感器的研究。
As compared with the single element transducer, it gives far more abundant real blood-flow information.
与单片窄带换能器相比，可以得到远为丰富、真实的血流信息。并且灵敏度和信噪比较高。
The first three resonant frequencies and vibration modes of a novel flextensional transducer are calculated by finite element method, and compared with measured values.
本文用有限元法对凹型弯张换能器的前三个共振频率和振动方式进行计算，与测量值比较并讨论了作为水下宽带声源的优点。
In this paper, vibration characteristics of plate sound source driven by transducer commonly used in ultrasonic cleaning are analyzed with the finite element method.
为了解超声清洗等应用中常用超声换能器激励的板声源的振动特性，使用有限元方法对其进行了研究，并通过实验验证了仿真结果。
The differential pressure water level transducer is an important measuring element commonly used in power plant.
差压式变送器是电厂常用的一种十分重要的测量元件。
A new method, on-line measurement of the density of natural gas, has been established by researching on vibrating element density transducer tests.
前言：通过应用振动式密度计试验研究，在国内建立起一种天然气密度在线测量的新方法。
Equivalent circuit method and finite element method have been studied for theoretical analysis of the resonator transducer.
多谐振腔宽带换能器的理论分析采用经典等效电路法与有限元法相结合的方式。
A new method, on-line measurement of the density of natural gas, has been established by researching on vibrating element density transducer tests.
通过应用振动式密度计试验研究，在国内建立起一种天然气密度在线测量的新方法。
The pressure transducer is an important element used for the process metering and pressure control in the industry equipment.
压力变送器是许多工业设备中用以控制工业过程和压力变化的重要元件。
A makeup of the multi-element linear transducer array system and Experimental setup were described in detail, besides the application of phase-controlled algorithm in multi-element transducer array.
文中详细讨论了多元线性阵列探测器系统的组成和实现方法以及实验装置的组成，相控聚焦的成像算法在多元线性阵列探测器中的应用。
Then, a multi-element linear transducer array system based on the high-speed data acquisition card was designed and realized photoacoustic imaging by it firstly.
其次，在高速采集卡的基础上设计研制了基于多元线性阵列探测器系统的快速光声层析成像装置，首次实现了基于多元阵列探测器的光声成像。
The magnetic field and mutual inductance are calculated with 3-d (three-Dimensional) finite element method for some types of current transducer.
用三维有限元方法分析计算了几类电流互感器的三维磁场和互感系数。
In the SAW sensor, special Inter-Digital transducer (IDT) on a piezoelectric substrate constructs passive SAW encoding and decoding element. The sensor elements are available to be embe...
在声表面波传感器中，特殊叉指换能器构造了无源无线编码器和解码器，它能对众多传感器单元编码。
In the SAW sensor, special Inter-Digital transducer (IDT) on a piezoelectric substrate constructs passive SAW encoding and decoding element. The sensor elements are available to be embe...
在声表面波传感器中，特殊叉指换能器构造了无源无线编码器和解码器，它能对众多传感器单元编码。
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