Experimental results show that the broadband characteristics of the Tonpilz transducer agree well with the simulation results. Its maximum transmitting voltage response level is 139 dB, -3dB bandwidth is beyond one octave, and low frequency is below 15kHz.
样品测试结果表明，换能器的带宽特性与模拟结果一致：发送电压响应级最大值139dB，-3dB带宽超过一个倍频程，且低频端小于15kHz。
The relation of transmitting coefficient with transducer's position was discussed with some theoretical algorithms and experiments.
用理论计算和室内实验方法研究了声波采油中换能器位置与透射系数的关系。
Following the method for making cymbal transducers and the key fabrication technique, a series of cymbal transducers are developed. Then the resonance frequency, transmitting voltage response, free field voltage sensitivity of the low frequency cymbal transducer are tested in an anechoic tank. The results show that the low frequency cymbal transducers have better effect of reception.
首先在继承传统压电材料制作工艺的基础上，根据钹式换能器的设计规律，研制了含有低频换能器在内的多套金属帽冲压模具，比较了粘结剂、金属材料等的不同特点，给出了合成钹式阵元的一般性方法，掌握了制作钹式阵元的特殊工艺，由此可开发系列阵元；然后，针对其中的低频阵元，在消声水池实验中分别对阵元的共振频率、发射幅压响应、自由场接收灵敏度等进行了测试。
One or both of transmit and receive aperture controls may include preventing some element of the transducer array from transmitting or receiving, calculating weighting apodizations to combine with standard apodizations for each frame, or determining an aperture size based on an f-number for the transducer array for each frame.
发射和接收孔径控制中的一个或二者可以包括：阻止换能器阵列中的某个元件进行发射或接收，针对每一帧计算加权变迹以将其和标准变迹相组合，或者针对每一帧根据换能器阵列的F数来确定孔径尺寸。
Finite element method; broadband transducer; transmitting voltage response
有限元方法；宽带换能器；发射电压响应
Piezoelectric transducer is a key component of acoustic logging apparatus for transmitting and receiving acoustic signals.
压电换能器是声波测井仪器的关键部件，用于发射和接受声波信号。
This article design a set of acoustic levitation polishing device, which includes ultrasound generator, polishing container and workpiece installation fixture. And select the rectangular transducer array as ultrasonic transmitting terminal. 2.
本文主要的研究内容有：1.设计制作了一套声悬浮抛光装置，主要包括超声波发生器、抛光容器以及工件安装夹具，选择了矩形换能器阵作为超声波发射端。
Testing and analyses of acoustic transducers in aluminum tube and PVC tube have proved that the newly developed radial polarized transmitting transducer can replace the former expensive tangential polarized one.
通过几种换能器在铝槽和PVC槽中进行的测试与分析，证明了新研制的、用于发射的径向极化换能器可以替代价格昂贵的大直径切向极化换能器。
The dynamic transmitting properties of a piezo-electric pressure bar transducer
晶体压杆式压力传感器的动力传输性质
In this paper, the transient pressure wave and flow wave accompanied with pressure steps transmitting in a rigid pipe were studied by means of hot-wire probe and pressure transducer.
本实验使用热线探头和压力传感器，测量了压力阶跃通过刚性直管段时流量和压力的瞬态波形。
A transducer with large directivity and high transmitting sensitivity
具有大指向性开角及高发射电压响应的发射换能器
The transmitting mode of the transducer is determined by the material property of the transducer, the machanical load of the surrounding coupling medium and the output impedance of the driving circuit.
换能器的发射模式由换能器的材料特性、周围耦合液体的机械负载和驱动电路的输出阻抗等因素决定。
Making test of acoustical performance for the transducer: resonance frequency is 1.16 kHz in water, bandwidth is 680 Hz, mechanical quality factor is 1.71, unit electric current transmitting response reach to 186.1 dB, electromechanical efficiency is 13.1%.
对换能器的声学性能作了测试：水中诸报频率为1.16kHz，带宽为680Hz，机械品质因数Qm为1.71，单位电流发射响应在谐振频率处达到186.1dB，电声效率为13.1%。
The ultrasound transmitting circuit can generates a high voltage trigger pulse to power the ultrasound transducer. The circuit does not need a high voltage direct current source compared with the traditional circuit.
其中设计的超声波发射电路，不需要像传统电路那样提供高压直流电源，就可以产生高压触发脉冲，用来激励超声波传感器。
The electromagnetic acoustic transducer (EMAT) is a new ultrasonic transmitting and receiving device.
电磁超声换能器（EMAT）是一种新型的超声波发射接收装置。
Making test of acoustical performance for the transducer: resonance frequency is 1.16 kHz in water, bandwidth is 680 Hz, mechanical quality factor is 1.71, unit electric current transmitting response reach to 186.1 dB, electromechanical efficiency is 13.1 %.
对换能器的声学性能作了测试：水中诸报频率为1.16kHz，带宽为680Hz，机械品质因数Qm为1.71，单位电流发射响应在谐振频率处达到186.1dB，电声效率为13.1%。
The relation of transmitting coefficient with transducer ′ s position was discussed with some theoretical algorithms and experiments.
用理论计算和室内实验方法研究了声波采油中换能器位置与透射系数的关系。