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。
Examine and affirm internal measuring tube material of the flow transducer for mass flow meter.
检查确定质量流量计流量传感器的内部测量管材质。
A portable broadband transducer using the radially polarized piezoelectric cylindrical tube has been designed and fabricated.
利用径向极化的压电圆管制作了一种便携式宽频带换能器。
In the ultraviolet water body sterilizer there is helix ultraviolet tube and ultrasonic transducer, improving the sterilization efficiency.
本发明在紫外线水体杀菌装置中设置了螺旋状的紫外线灯管和超声波换能器，大大提高了杀菌功效。
A method of realizing untouched fire test by a new transducer GP 16 fire test electron tube was introduced, and the circuit for finishing the functions was given.
介绍了采用新型传感元件GP- 16火焰检测电子管实现非接触式火焰检测的方法，并给出了完成其功能的电路图。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
Capacitive pressure difference sensor is fixed in the center of the tube and connected with the pulse width modulation circuit so that capacitive flow transducer is made up.
把电容式差压传感器固定在管道中央，并配接脉冲调宽电路，即构成电容式流速变送器。
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