所用的超声探伤方法仅限于八型显示脉冲反射法。
The used ultrasonic testing method is only limited to A-scope pulse-echo method.
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.
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.
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.
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.
利用理论分析和实验模拟的方法研究了超声脉冲反射技术测量井下套管厚度的方法。
The Methodological investigation on the measurement of thickness of downhole casing with ultrasonic pulse echo technique is carried out both in theory and in experiments.
方法采用超声脉冲反射法，着重就血栓形成过程中对其声速变化的相关性进行了定量研究。
Methods By using the ultrasound pulse reflection law, the correlation between the process of thrombosis formation and changes in the ultrasonic velocity was studied quantitatively.
介绍了一种利用低压脉冲反射法测定电缆断点位置的方法，并采用89c52单片机建立了控制系统。
The paper introduced a method that can locate the position of cable breaking point by using the reflection of low pressure impulse, and set up a control system through 89c52.
由激光超声方法和自发自收脉冲反射法实验测定了所制作的换能器的频率响应，并比较了频谱分析结果。
The frequency response of the transducers is measured experimentally using laser ultrasound and a pulse echo reflecting method. The spectral analysis results are compared and analyzed.
对A扫描脉冲反射法应用于检测药料中杂质进行了探索研究，试验结果证实用超声法检测药料中的非金属杂质具有一定可行性。
A-scanning impulse reflection method is applied to detect the nonmetallic. The result approves that using ultrasonic to detect nonmetallic is feasible.
采用脉冲反射法在实验室条件下对自来水和不同浓度聚合物溶液的声速进行了测量研究，经测量得到了聚合物溶液的密度、表观粘度。
Acoustic velocities of tap water and polymer solution were studied using ultrasonic-pulse reflection method in the laboratory. Polymer density and apparent viscosity were measured.
电缆故障的自动测试方法，其特征在于是将脉冲反射测试电路发射与接收的脉冲信号直接叠加到直流高压测量电路的输出端，直流高压测量电路的输出端与被测电缆端口连接。
The automatic testing method of cable fault is characterized by that the pulse signal transmitted and received by pulse reflection test circuit can be directly superposed on the output end of d.
之后激光高度计将参照光速，计算出反射脉冲的渡越时间，从而获得飞船与月球表面之间的距离。
From the return pulse, LOLA determines the time of flight which, accounting for the speed of light, reveals the distance from the spacecraft to the lunar surface.
月球探测器上的激光高度计(LOLA)的工作原理为：发射一束激光脉冲，利用光学镜片将其分为五道光线，当光线到达月球表面后会自动反射至激光高度计上。
The lunar Orbiter laser Altimeter (LOLA) works by sending a laser pulse through an optical lense that splits it into five beams that are each scattered back after they strike the lunar surface.
卫星形状效应是由于卫星上不同位置的反射器对光子反射的时间不同而引起的脉冲强度重新分布的现象。
Satellite form effect is a redistributing phenomenon of pulse intensity caused by different reflecting times of the reflector situated on different positions of satellite for photon.
在两个反射镜上安装光电探测器，使之转一周产生一个脉冲信号作为基准信号。
Fixed photoelectric detectors on the two reflectors, they produce a pulse signal as reference signal every round.
用卫星的点扩展函数描述卫星形状效应，能非常简便地计算出被卫星反射后的脉冲强度分布。
Description of satellite form effect with point spread function of satellite can calculate satellite reflected pulse intensity distribution in a simplified method.
转换反射光模式转化为电子脉冲，它已被接受为输入电脑系统。
Convert reflected light patterns into electronic impulses, which are accepted as input into the computer system.
有些时候，当从遥远的雨区反射回来的微波到达雷达时，雷达已经再次发出脉冲。
Occasionally a microwave pulse reflected from a distant rain area may arrive at the radar after the radar has emitted the next pulse of microwave.
因此，此法要比普通分段脉冲反褶积求解反射系数的精度高得多。
As a result, this method offers much better reflection coefficients than ordinary segmental pulse deconvolution does.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
分析结果表明：界面反射对窄cW脉冲信号的参数估计有重要影响，在工程设计中应采取适当措施加以克服或补偿。
It is indicated that the interfacial reflection affects the parameter estimation of narrow CW pulse significantly so that some measures should be taken in practical application.
研制了一种由高功率宽带模式转换结构、导电线框tem喇叭馈电结构及抛物反射面构成的天线，用其辐射高功率亚纳秒电磁脉冲。
An antenna was developed to radiate high power, sub nanosecond EM pulse, which consists of a high power wideband mode convertor, a wire frame TEM horn feedback set and a parabolic reflector.
本文提出当脉冲声源和接收点在同一条垂直于材料表面的直线上时，声脉冲从多孔材料反射的研究。
This paper presents a study of the reflection of sound pulse from porous material in the ease that the impulse sound source and receiver are located on a line perpendicular to the surface of material.
将所得到的平均波进行分析，以便对每个波形进行分析，以确定每个反射脉冲的极值点和转折点。
The resulting average wave is analyzed so that each waveform is analyzed to identify the extrema and inflection points of each reflected pulse.
阐述了用脉冲激光引发瞬态热反射栅的方法来测量固体材料热扩散率的理论、实验装置和实验技术。
The theory and experiment techniques about measuring the thermal diffusivity of solid materials by using laser induced transient reflecting grating is introduced.
在外界拉力下一个光纤布拉格光栅反射波长的漂移被转变成从另一个被压电陶瓷片调制的光栅反射的光脉冲间隔的变化。
The shift of reflective wavelength of one FBG under external strain is translated into a change in time interval of the optical pulse from another FBG drived by a PZT plate.
在外界拉力下一个光纤布拉格光栅反射波长的漂移被转变成从另一个被压电陶瓷片调制的光栅反射的光脉冲间隔的变化。
The shift of reflective wavelength of one FBG under external strain is translated into a change in time interval of the optical pulse from another FBG drived by a PZT plate.
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