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.
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.
两天后,功能磁共振成像扫描显示了用手指完成任务时他们视觉皮质活动的脉冲,甚至是他们听到声调或单词时的脉冲。
After as few as two days, fMRI scans showed bursts of activity in their visual cortex when they performed tasks with their fingers, or even when they listened to tones or words.
一根能够传输开关脉冲的探测棒之后会扫描到金属针。
An electric probethat transmitted on-off pulses then scanned the pins.
结果表明,该辐射器一方面可以实现空间能量合成,大大提高单个脉冲的能量(峰值功率),另一方面还具有良好的波束扫描特性。
Our results showing that with the launcher we can set the energy focus and enhance the single pulse energy (peak value power) effectively, besides, the launcher has its good beam scan performance.
用常规脉冲极谱法、线性扫描和循环伏安法等研究该体系的电化学行为。
The electrochemical behavior of this system was studied by the methods of normal pulse polarography, linear sweep and cyclic voltammetry.
天文学家们已经用多种望远镜扫描了整个天空,探测到了银河系内和球状星团附近的脉冲星。
Astronomers have scanned the complete sky with various telescopes and detected pulsars in the Milky Way and nearby globular clusters.
试验证实,脉冲涡流只需一次扫描就可对被测试件上不同深度的裂纹实现定量检测,因此具有广阔的应用前景。
Experiments proved that the quantification of different depth flaws could be realized just only by scanning with pulsed eddy current testing once, so it has good prospect in use.
本文重点讨论了曲轴橡胶减振器测试中常用的正弦扫描法和脉冲激励法。
Sine wave scanning method and pulse excitation method-common methods for the test of rubber absorbers are studied emphatically.
脉冲偏转是一种不同于扫描偏转和直流偏转的偏转方式。
The pulsed deflection is a sort of the deflection way that is different from the scanning deflection or DC deflection.
辐射性能参数包括脉冲噪声、记忆效应、扫描相关偏移、一致噪声、随机噪声、丢失行、不可操作探测器、饱和探测器、调制传递函数、系统分辨率。
The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, MTF, system resolution.
作为一种非常粗糙的重建电视显像管扫描光栅的方法,这些脉冲可以剥离出来单独用于触发一对扫描发生器。
As a very crude approach to reconstructing a scan raster on the TV tube, these pulses can be stripped off and individually utilized to trigger a pair of single sweep generators.
对框架柱进行了局部挠曲模态的脉冲激励试验和正弦稳态扫描试验。
Impulse excitation and sine stable sweeping tests of local bending modes of the frame columns were conducted.
采用高压真空器件解剖、扫描电镜分析和高压脉冲耐压试验分析了高压真空器件内的真空击穿、陶瓷击穿。
Subsequently, the breakdown happened inside of the high-voltage vacuum apparatus was researched initially by means of scanning electron microscope analysis and vacuum apparatus dissection.
采用频域处理的方法首次在频域标定飞秒激光脉冲干涉自相关迹的时间扫描。
The time delay of interferometric autocorrelation trace of femtosecond pulse was calibrated in frequency domain.
利用激光辐照区内脉冲重叠或累积曝光量的差异解释了扫描速度的影响。
The influence of scanning velocity is explained based on different pulses overlapping or cumulative dose of laser exposure in irradiated area.
在显微物镜的成象光路中,增加一块振荡反射镜,使被测线宽的放大象相对窄缝扫描,将光学边界信息转变为梯形电脉冲。
Bying adding an oscillator mirror in the imaging path, thus the enlarged image will be scanned by the narrower slit, and the optical boundary information is converted into gradient electrical pulse.
系统的扫描电流周期和调制器的主脉冲同步,可消除扫描均匀性中出现的拍频现象。
In the system the period of the scanning current is completely synchronized by the major pulse of the modulator in order to avoid the beat.
按跟踪原理,自动跟踪可分为三种体制:步进跟踪、圆锥扫描跟踪和单脉冲跟踪。
According to tracking theory, automatic following can be divided into three systems: step-advance tracking, taper-scan tracking and single-pulse tracking.
利用原子力显微镜和扫描电镜观察了材料的烧蚀形貌,测量了破坏阈值与脉冲宽度、烧蚀深度与脉冲能量的依赖关系。
The damage morphology, and threshold fluence as a function of pulse duration and the dependence of ablation depths on the pulse fluences are measured.
运用PSPICE模型对串联雪崩电路进行了仿真,设计出了用雪崩三极管串联的高压短脉冲产生电路,该电路可以用于条纹相机中的扫描电路。
Simulate the avalanche circuit in series with PSPICE module, design the high voltage short plus generation circuit by avalanche transistor in series for the sweep deflection circuit of streak camera.
本装置能够实现对激光脉冲峰值功率相对值的测量,在Z扫描实验时,达到对激光器输出能量变化进行实时监测的目的。
The device can be applied to measure the relative value of laser pulse peak power, therefore it can monitor the fluctuation of output energy when Z-scan experiment is carried out.
对这两种无机硅材料在飞秒脉冲作用后的微区结构改变进行了扫描电子显微镜(SEM)测试,研究了其形貌特征。
The morphologies of structural changes in the two inorganic silicon materials have been investigated by means of charge coupled device (CCD) camera and scanning electron microscopy (SEM).
针对微量热计热质小、升温快等特点,引入了脉冲扫描量热法来测量薄膜的热容。
According to the characteristics of small thermal mass and fast heating rate of the microcalorimeter, pulse calorimetry was introduced to measure the heat capacity of thin films.
在逆变脉冲电刷镀技术修复后,使用扫描电镜观察刷镀表面形貌,得到菜花头状的致密、均匀组织;
In the invert and variable pulse electrical brushing plating technology experiment, after repair there are many Cauliflower-like organization dense and uniform under the metallurgical microscope;
在Z扫描实验中对激光脉冲峰值功率进行实时监测,有助于实验者遴选合格的数据,提高Z扫描测量的准确度。
Monitoring the laser pulse peak power in the Z-scan experiment can help people select qualified data, improve the accuracy of the measurement.
根据速调管调制器主振脉冲频率、扫描宽度和电子束的束斑大小可以定出辐照床的最高运动速度以实现高效率的辐照。
The highest speed of the irradiation bed can be determined by the frequency of modulator, scanning width, and the size of electron beam spot...
根据速调管调制器主振脉冲频率、扫描宽度和电子束的束斑大小可以定出辐照床的最高运动速度以实现高效率的辐照。
The highest speed of the irradiation bed can be determined by the frequency of modulator, scanning width, and the size of electron beam spot...
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