Receiving circuits detect the wave reflected by human tissue and output electric signal that has been demodulated.
回波处理电路用于检测由人体组织反射的超声信息，对转换成的电信号进行解调输出。
An accident of overvoltage reflected wave occurred in Chongqing Iron and Steel Company is presented. Generating reasons of overvoltage reflected wave and protective measures are discussed.
介绍了在重钢发生的过电压反射波的危害实例，探讨了过电压反射波的产生原因及预防措施。
Reflected wave signal is processed by double channels two-order low-pass active filtering in hardware, and indicator diagram signal is processed by digital filtering in software.
液面反射波信号主要在硬件方面采用双通道二阶有源低通滤波，功图信号则在软件方面采用数字滤波算法。
Another familiar property of wave is their ability to be reflected when they meet an obstacle.
人们熟知的波的另一个性质是波在碰到障碍物时的反射能力。
We find that there appears a singular trajectory ( density on it being zero ) and a additional left-facing shock after the reflected wave reaches the explosion point.
我们发现，在反射波到达爆炸点后，这里出现了一条密度为零的奇轨线和另一条左向的激波。
According to the analysis of engineering example, the paper discussed the principle of reflected wave method and its application for detecting quality of low strain pile foundation.
通过工程实例分析，论述了反射波法低应变动载检测的原理和在桩基础工程现场检测中的应用。
This paper discusses the influence of construction and geology condition on the reflected waves, and put forwards the synthetic analysis method of reflected wave curves.
本文阐述了施工工艺及地质条件对测试曲线的影响，提出了反射波曲线综合分析的途径与方法。
The multi-coverage technique of reflected wave introduced inbthis paper can be used as reference.
文中介绍的反射波多次覆盖技术的数据处理技巧，值得借鉴。
For the abundant of noise in testing oil well depth with sound wave, it is difficult to locate the reflected sound wave.
在用声波测试油井油液面深时，反射声波受到大量杂波干扰，给接箍波和液面波的定位带来了极大的困难。
For an incident shock wave, the strength of reflected shock waves from the boundary of different materials are calculated theoretically.
从理论上计算了同一强度的入射冲击波在不同材料界面上产生的反射冲击波强度。
Lattice wave will be reflected when it reaches the boundary so that the reflecting boundary condition is more reasonable than cyclic boundary.
因为晶格振动的波在达到界面时会被反射，所以镜面反射边界条件与循环边界条件相比更符合晶格振动的特点。
A method is presented, which makes it possible to calculate velocity and interface depth of the reflected wave in a vertically inhomogeneous medium.
本文提出了一种利用反射波走时曲线计算垂向非均匀介质速度和反射界面深度的方法。
Before analyzing seismic wave anomaly and velocity profiles. the polarity of reflected signal should be adjusted to be same as the physical significance of reflection coefficient.
在震波异常与速度剖面分析之前。应将反射信号之极性调整到与地层中反射系数之物理意义相一致。
The simulated variable density log map shows many important features of reflected waves, which are the base for identification of the reflected wave.
用模拟的变密度波形图显示了裂缝反射波的许多特点，这些特点是正确地识别和处理反射波的重要根据；
The influence factors and strength variation of the deep mixing pile are analyzed, and the application of reflected wave method in the deep mixing pile test is investigated.
对深层搅拌桩强度变化及影响因素进行了分析，并就反射波法在深层搅拌桩检测中的适用性进行探讨。
Abstract: At present, the reflected wave method is the most suitable and commonly used method in detecting the quality of rigid precast and cast-in-place piles.
文摘：反射波法是目前检测预制桩和灌注桩等刚性基桩质量最适合、最常用的方法。
As a result a reflected wave is sent back into the water, but this is a rare faction wave.
结果，向水中送回一个返射波，但这是一种稀疏波。
At present, the reflected wave method is the most suitable and commonly used method in detecting the quality of rigid precast and cast-in-place piles.
反射波法是目前检测预制桩和灌注桩等刚性基桩质量最适合、最常用的方法。
The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.
弯曲的激波与壁面进一步作用后发生反射，由于波前气流速度不同，这种反射存在规则反射和马赫反射两种类型；
To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.
弱反射波信号识别是声波法煤层厚度探测中的一个关键问题。
They are relatively immune to multipath cancellation effects, such as when a strong reflected wave arrives out of phase with the direct path signal, reducing the signal strength in the receiver.
相对而言，它们不受多路径消除效应的影响，例如当返回的强反射波与直接路径信号不同相位时，降低了接收机中的信号强度。
This wave gets reflected in parts of the arterial tree and returns to the heart while it is ejecting blood, increasing the heart's workload.
当这种波射血并增加心脏工作负荷时，它在动脉内被反射并返回心脏。
Water inlet&outlet and wave breaking chambers are arranged for relieving slab and breast wall to reduce the reflected wave height alongside the berth.
为减少码头前沿的反射波高，巧妙地在卸荷板和胸墙中设置进、出水孔和消浪室。
The reflected pressure of the fluid is similar between the plane acoustic wave and the point source acoustic wave.
因此，这两种不同入射声波的声波反射压力的变化既有不同，又有着相似之处。
But, part of it is absorbed in the surface, thus, the reflected wave losses some of its energy.
但是一部分的声音会被反射面吸收，因此被反射的声音会失去一部分的能量。
Finally, we determine the changes in the phases of the components of the reflected and the incident wave.
最后，我们求反射波和入射波各分量的位相变化。
Then, both the velocity and pressure have appeared swings in various degrees, which are the results of concurrent effects of pressure wave and reflected wave.
而后速度和压力图均出现了不同程度的波动，可知这是压力波和反射波共同作用的结果。
When the defect of pile body is located at the range of one - dimensional blind areas, the wave form of the reflected wave distorts and shows the characteristics of strong amplitude and low frequency.
当桩身缺陷位于一维“盲区”范围时，反射波波形畸变，并呈强振幅，低频率之特征。
The system could measure certain distance on the premise that the speed of reflected wave in the air is fixed.
该系统以空气中超声波的传播速度为确定条件，利用反射超声波测量待测距离。
The basic theory in designing and implementing the ultrasonic distance measuring system, is to record the time between the emission wave and the reflected wave by the object.
以测量超声波发射与反射时间差作为测距的基本原理，设计并实现可自动测距系统。
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