该词条未找到_海词词典

您要查找的是不是：

Finally I got the spare piezoelectric transducers and finished some simple high-impedance signal amplifiers. 最后我得到了备件压电传感器和完成一些简单的高阻抗信号放大器。
Ward M D, Buttry D A. In situ interfacial mass detection with piezoelectric transducers [J]. Science, 1990, 249: 1000~1007. 关鲁雄，刘立华.;石英晶体微天平研究进展与展望[J]
Dissipation factors of piezoelectric materials are very important in the production and also in the application of piezoelectric transducers. 摘要压电换能器的耗散因子是评估其性能的重要参数，但已有的测量方法实现困难。
The transient performances of piezoelectric transducers used in ultrasonic testing mainly include transient spatial response and transient time response. 摘要超声检测用压电换能器瞬态特性主要包括瞬态空间响应和瞬态时间响应。
Acousto-ultrasonic(AU) measurements were performed on impact-damaged carbon-carbon composites by using plain piezoelectric transducers putting on thin strips symmetrically, instead of commercial acoustic emission ones. 根据声-超声基本原理，以普通压电陶瓷传感器替代商用声发射超声换能器，采用传感器对称布置方式，对具有预冲击脱层损伤的碳-碳复合材料薄板做了声-超声测试。
PIEZOELECTRIC TRANSDUCERS FOR ACOUSTIC EMISSION TESTING 声发射检测中的压电换能器
ELECTRIC ENERGY TRANSMISSION BETWEEN TWO PIEZOELECTRIC TRANSDUCERS 两层压电换能器之间的电能传输
Recently, ultrasonic piezoelectric transducer with an inversion layer has been gaining interest in the development of broadband transducer. 具反向层之超音波压电换能器近年来受到各方重视，被认为是一种设计宽频换能器的好方法。
LUAN Guidong, ZHANG Jinduo, WANG Renqian. Piezoelectric transducer and array[M]. Beijing：Beijing University Press, 1987. 栾桂冬，张金铎，王仁乾．压电换能器和换能器阵[M]．北京：北京大学出版社，1987
Finally, we conclude that the addition of the matching layers results in the widening of the transmission frequency for the piezoelectric transducer. 本论文成功地藉由传输矩阵法模拟出压电换能器多层匹配层结构的理论架构及数值计算。
The transducers in acoustic logging tool are usually cylindrical piezoelectrical transducers and their acoustic radiation and acceptance have preferred directivity. 换能器的声辐射与接收指向性由其形状与尺寸确定。
BAO Shanhui.Tracking the fp region of the piezoelectric transducer by the phase-locked loop circuit[J].Applied Acoustics,2002,20(3):1-5. [3]鲍善惠.;用锁相环电路跟踪压电换能器并联谐振频率区[J]
The electrical input impedance character of piezoelectric transducer Hg2Br2 acousto-optic devices [J].Piezoelectrics and Acoustooptics, 2003,26 ( 3 ): 184 - 187. Hg2Br2声光器件的换能器电输入阻抗特性[J].;压电与声光;2003;26(3):184-187
We get the relations of system frequency, load resistance and electromechanical coupling coefficient to the conversion efficiency of piezoelectric transducer. 经过分析讨论后，得到了压电发电系统的工作频率、负载电阻和机电耦合系数与压电换能器能量转换效率的关系。
After the research of fundamentals of sonar ranging and analysis of piezoelectric transducer parameter, a new circuit system based on PIC16C74 is proposed and designed. 本文在对声纳测距原理及水声换能器参数进行研究分析的基础上，提出并设计了基于PIC16C74处理器芯片的传感器电路系统。
Key parts including piezoelectric transducer and amplitude transformer with a cylindrical hole in the center,and flexural vibration disk are analyzed and calculated. 提出了珩磨杆、珩磨头体均不振动的设计思想,分析计算了中心有圆柱孔的压电换能器和变幅杆,以及弯曲振动圆盘等关键部分。
Electromagnetic Acoustic Transducer can realize electromagnetic -ultrasonic transduction without contact. Electromgnetic acoustic transducer has advantages over conventional piezoelectric transducer in testing roughness surface. 电磁声传感器是一种非接触式的电磁能与声能的换能装置,象运动圆环链这类带有锈蚀的粗糙表面上,常规的压电晶体传感器无法使用的场合,电磁声传感器充分显示出了它的优越性。
This study investigates electrical transient responses of a piezoelectric transducer and their major characteristics such as maximum voltage, minimum voltage and peak-to-peak voltage under impact. 摘要本文探讨压电换能器受到冲击时之暂态电压响应及其主要特性。此特性涵盖暂态期间的最大电压、最小电压及峰对峰电压。
Piezoelectric transducer (PZT) are often used for providing reciprocal sine phase modulation in all-fiber optic gyroscope (FOG) and its non-linearities can affect the accuracy of FOG. 在全光纤开环光纤陀螺中,利用压电陶瓷调制器可以为光纤陀螺提供互易性正弦相位偏置,但相位调制中的寄生非线性会对陀螺测量产生影响。
A part transplant of nerve stimulator which is transplanted in dog has been developed.In this paper we compare the piezoelectric transducer with operation and keep tracks with research. 本文介绍了部分植入式神经剌激器植入狗体内,在成活期中,应用压电换能器与开创手术测定阴茎海绵体压力比较进行跟踪研究。