试验表明该系统具有良好的超声发射和回波合成能力。
The good performances of ultrasonic transmission and echo composition of the system are validated by the experiments.
植物的超声发射是导管或管胞里空穴化时的伴随现象。
Ultrasonic emission is a phenomenon with cavitation of vessels or tracheids.
超声发声器：VT模式超声发声器，输出功率连续可调。
Ultrasonic generator: VT model ultrasonic generator, output power continuously adjustable.
超声吸脂术是通过超声发生器将电能转变成高频能，产生超声波。
Ultrasonic liposuction ultrasonic generator through the high-frequency energy into electrical energy to generate ultrasonic waves.
其中超声发生器包括有压电换能器、圆锥形变幅杆、安装座和锯片接头。
The ultrasonic generator comprises a piezoelectric energy exchanger, a conical amplitude transformer, a mounting seat and a saw blade joint.
各作用单元配置有远红外线陶瓷和超声换能器，超声换能器与超声发生器电连接。
The action units are provided with far infrared ceramics and ultrasonic energy converters which are connected with the ultrasonic generator.
本发明是一种超声骨科手术锯。包括电机摆动手柄、超声发生器和冷却锯片系统。
The invention relates to an ultrasonic orthopedic surgery saw which comprises a motor swinging handle, an ultrasonic generator and a cooling saw blade system.
采用单片机控制超声发射与接收，并经温度补偿后计算出油位，使检测具有高智能性。
The MCU is used to control emission and receiving of the ultrasound, and compute the oil-level.
结果46例患者高频超声发现有髌骨骨折，其中合并侧副韧带及半月板损伤者28例。
Results Out of 46 cases were found patellar fracture with high-frequency ultrasound, which combined collateral ligament and meniscus injury were 28 cases.
根据系统要求采用模块化的编程思路完成系统的算法设计，实现超声发射和距离显示功能。
According to the system requests, the system the algorithm is designed by modular the programming mentality, the ultrasonic launching and the distance-amplitude displaying function is completed.
基于超声发现，对病人进行眼眶活组织检查，而不是眼眶减压。发现右眼内直附近有一不规则肿块。
Given the ultrasound findings, an orbital biopsy, rather than a decompression, was performed. An irregular mass was noted adjacent to the right medial rectus muscle.
方法结合超声发现并经病理证实的两例典型腹裂畸形胎儿，分析探讨胎儿腹裂的超声诊断的临床意义。
Methods Through the two cases of Fetal malformation gastroschisis what is found by ultrasound and confirmed by pathologically, to explore the clinical significance of ultrasound diagnosis.
冬季的侧柏切片，其超声发射信号量和持续时间均比夏季的少，幅度、振铃计数和上升时间差别不大。
The amount of signals and duration were smaller than in summer, and amplitude, rise-time, ringing counts were not very different.
它能自动跟踪功率超声发生器的谐振频率，同时还可根据需要自动调节输出功率，并具备显示报警功能。
This power supply can automatically trace the resonant frequency of an ultrasonic generator, automatically adjust its power output according to needs, and has an alarm display function.
利用超声发射信号模型，并使用d - S证据理论对环境地图进行更新，从而实现了基于超声的栅格地图创建。
In order to realize the map building based on ultrasonic, a transmitting signal model is established and the D-S theory is used for updating the environment map.
结论：磁共振成像技术是超声发现胎儿异常的重要验证和补充诊断手段，在产前诊断胎儿缺陷中具有重大的临床价值。
Conclusion : MRI has its own advantages and is an important supplement to US in fetal disorder, which can educe momentous clinical value in prenatal diagnosis.
结果低年资和高年资医师采用ABVS系统发现的病灶数分别为89个、99个，采用常规超声发现的病灶数分别为60个、85个。
Results the number of lesions detected with the junior and the senior doctor with ABVS was 89 and 99, respectively, while the number was 60 and 85 with conventional ultrasound.
本文在超声发生器中加入功率因数校正电路（APFC），并利用单片机控制数字电位器实现了对电压反馈网络的调节，从而实现APFC输出电压在一定范围内的自适应控制。
The self-adaptable control of output voltage could be realized under certain range by adding a APFC in ultrasonic generator and adjusting voltage feedback network with digital potentiometers.
以磁共振血管成像为标准，比较经颅多普勒超声发现相应血管病变数，得出诊断异常血管的特异性为94.22%、敏感性为78.10%、假阳性为7.46%，假阴性为23.31%及符合率为89.36%。
Considering MRA as the standard, the sensibility of diagnosing abnormal vessels by TCD was 78.10%, specificity 94.22%, false positive 7.46%, false negative 23.31%, and the coincidence rate 89.36%.
文章根据污秽放电伴随的超声信号，提出用声发射信号来反映绝缘子的污闪过程。
In this paper, the method which can judge the working condition of the insulator based on the acoustic emission is given (AE method).
对于燃气轮机的故障诊断目前已经涌现出很多新方法，诸如红外线监测，超声波监测以及声发射监测等等。
Currently there occur a lot of new methods to diagnose the running state of gas turbines, such as infrared monitoring, ultrasound monitoring and acoustic emission monitoring etc.
对受激电弧的声发射信号分析表明，从音频到超声频带，电弧声发射与激励频率之间存在着线性响应和非线性响应特征。
The characteristic of linear and nonlinear responses between arc excited ultrasonic emission and excited frequency was realized by the received signal from the acoustic to the ultrasonic spectrum.
介绍了红外、超声、高频、激光、同位素、微波、声发射、计算机等近代技术在木材工业上的应用概况。
This paper introduced the application of infrared ray, supersonic wave, high frequency, laser, radioisotope, microwave and acoustic emission technology to wood industry.
结果表明： 对称位置接收到的声发射信号的相位差和幅值差可以作为电弧超声焊缝跟踪的依据。
The results show that the phase difference and the amplitude variation can be considered as the criteria of seam tracing.
介绍一种利用双频共焦超声波获取组织内部特性信息的新方法-超声激发声发射(USAE)。
A new method called Ultrasound-stimulated acoustic emission (USAE) is introduced, which USES confocal bi-frequency ultrasound waves to obtain some information of tissue properties.
验证了一种基于光纤Fizeau干涉仪的声发射传感器，可用于固体表面传播的超声波的检测。
A fiber optic ultrasonic sensor based on Fizeau interferometer for the measurement of ultrasonic wave propagated on the surface of a solid plate has been proposed and demonstrated.
论述了超声波、X射线及声发射三种无损检测方法在碳素材料内部质量检测中的应用状况。
The application condition of inner quality testing of carbon material by ultrasonic, X ray and acoustic emission was introduced.
论述了超声波、X射线及声发射三种无损检测方法在碳素材料内部质量检测中的应用状况。
The application condition of inner quality testing of carbon material by ultrasonic, X ray and acoustic emission was introduced.
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