蝙蝠会发出我们听不到的非常高的超声波脉冲。
The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.
在传输过程中的超声波脉冲电压幅度约80v的聚丙烯。
During the transmission the voltage amplitude of the ultrasonic pulse is approximate 80v pp.
如果该对象是在一个更大的角度斜,没有任何的超声波脉冲反射。
If the object is canted at a greater Angle, there is no reflection of the ultrasonic pulses.
为此,他们产生高频率的超声波脉冲回波是由传感器检测和评估。
For this purpose they generate a high frequency ultrasonic pulse the echo of which is detected and evaluated by the sensor.
在超声波脉冲脉冲周期取决于传输脉冲周期和时间的传感器铃声。
The pulse period of the ultrasonic pulse depends on the period of the transmission pulse and on the ringing time of the transducer.
本发明所用光脉冲可以是X射线脉冲,也可以是电子束脉冲或超声波脉冲。
The light purse used in said method may be either an X-ray pulse or an electron beam pulse or ultra-sonic pulse.
高性能,可编程的超声波脉冲发生器和宽频接收器。与仪器配套软件一起使用。
High performance, programmable ultrasonic pulser and broad band receiver. For use with virtual instrument software.
该系统采用A型超声波探伤仪产生超声波脉冲,采用一次脉冲反射法检测棒材。
The principle of detector is that the A-Scan flaw instrument of USL32 beams the ultrasonic to detect the bar material with the method of pulse echo once.
研究超声波功率、超声波作用时间、超声波脉冲值对提高毛豆仁浸渍冷冻速率的影响。
The effect of power ultrasound on freezing rate was influenced by ultrasound power, exposure time and the ultrasound pulsed to which ultrasound was applied.
超声波摄像装置具备:从超声波元件阵列将超声波脉冲信号发送到被检测体的波发送机构;
The ultrasonographic device for imaging inside of an examinee includes: transmission means for transmitting an ultrasonic pulse signal from an ultrasonic element array to the examinee;
本课题完成了基于超声波脉冲的测距雷达的硬件设计、软件设计及系统调试并且完成了测速雷达的硬件调试。
In this dissertation, the design of the hardware and software of the detecting radar based on the ultrasonic pulse are completed, including the debugging on the system and the hardware of CW radar.
这些功能的实现是通过系统中电控部分的电源、时钟、存储、超声波脉冲信号发生、处理、温度采集、串行通信电路实现的。
These functions are realized by the circuits of power, clock, memory, ultrasonic pulse signal occurs and handle, temperature gathered and serial communication in system.
作为一个成像工具,声透镜冲击了超声波的显像,因为声脉冲可以更加紧密地聚焦,可以很容易地重新定位。
As an imaging tool, the acoustic lens beats ultrasound imaging because the sound pulses can be focused much more tightly and can be easily repositioned.
这个问题可以通过使用超声波来解决,也就是利用一个大小和心脏起搏器差不多,名为“脉冲发生器”的盒子来完成,但是它需要被放在胸腔下部(如上图所示)。
That is done using ultrasound, which is generated by a box called a pulse-generator that is similar in size to a pacemaker box, but is inserted lower down in the chest (see illustration).
超声波能产生脉冲信号,用以检测金属中各种缺陷。
Ultrasonic waves produce pulsed signals, by means of which various defects in metal can be detected.
同时本文还对超声波—脉冲电流电化学复合抛光进行了试验探索。
This paper also tried to do some experiments of combined ultrasonic electrochemical polishing.
根据超声波探测理论,讨论了多脉冲循环法用作非接触式流量检测的原理。
According to the theory of ultrasonic inspection, the principle of flow inspection using multi pulse circulation method was discussed.
本文总结了在骨折护理中使用低强度脉冲超声波的根据。
This article will review the evidence for the use of low-intensity pulsed ultrasound in fracture care.
调节超声波,可改变光脉冲的强度和周期。
Modulating the ultrasonic wave, intensity and period of the light pulse will change.
从作用情况的对比看,液电效应声脉冲优于超声波,复合场的效果优于单一场。
Comparison of the physical fields show that the effect of liquid puncture acoustic pulse is better than the ultrasonic effect and complex fields are better than single one.
自行研制了大电机定子绝缘超声波检测系统,它能同时显示被测试样的A扫描脉冲回波和C扫描平面图。
A new ultrasonic testing system has been developed for application to stator insulation of large generator. It provides A-scan signals and C-scan map for tested specimen.
然后,根据有限元数值分析方法的特点,建立脉冲激光激发皮肤产生超声波的有限元模型;
Then, a finite element model was accordingly developed to simulate ultrasound waves generated by a pulsed laser in the skin.
其基本原理是超声波在油膜层中的反射波中分离出一条与油膜厚度的变化同步变化的反射脉冲井进行处理以显示油膜厚度。
The method is based on Pulse echo characteristic in oil film. Separatingone pulse echo from reflected pulses, the oil film change is demonstrated.
本文报道了一种基于脉冲回波相位谱的超声波速度测量方法,并给出了它的详细理论推导过程。
This paper presents the development of a pulse-echo measurement method, based on the use of a phase spectrum to determine the ultrasonic wave velocity. A detailed descripsion of the theory is given.
本文介绍了一种基于单片机的脉冲反射式超声波测距模块。
The thesis introduces a kind of single-pulse-refection ultrasonic distance meter system module in detail based on Microcontroller.
称为信号析取系统的超声波检验实时信号处理系统,它通过同步平均和有限脉冲响应滤波能够提高信噪比。
UST real time signal process system is called signal extraction system. It can increase signal noise ratio through synchronization and average and limited pulse response filtering.
本文对超声波油膜厚度测量法进行了探讨。它包括脉冲反射法和连续波法。
Ultrasonic method for oil film thickness measurement is discussed in this paper, including the pulse echo method and the continuous wave method.
本文对超声波油膜厚度测量法进行了探讨。它包括脉冲反射法和连续波法。
Ultrasonic method for oil film thickness measurement is discussed in this paper, including the pulse echo method and the continuous wave method.
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