Digital moire interferometry suits for comparing with complicated standard wave front directly, such as aspheric surface testing, profile measurement, etc.
可应用于直接与复杂标准波面比较的场合,如非球面面形检测,轮廓测量等。
Owe system the amounts adjusting a circuit carrying out calibration and comparison method on standard wave form , may measure out part discharging looking at in electric charge by JFD-301.
该系统通过JFD-301校准脉冲发生器对标准波形进行校准及比较法,可测量出局部放电的视在电荷量。
Standard & Poor’s analyst Scott Kessler this morning cut his rating on the stock to Buy from Strong Buy, pointing to the first wave of U.S. media coverage yesterday on the CCTV report.
昨天,美国媒体对央视的这则报道发起第一轮报道热潮。 今晨,标准普尔分析师斯考特·喀斯乐(ScottKessler)将百度股票评级从“强力买入”下调至“买入”。
This paper gives a method to evaluate the quality of the impedance-matching experiments by the relation between standard and unknown materials shock wave velocities.
介绍了用标准材料与待测材料的冲击波速度的关系评价阻抗匹配实验质量的一种方法。
In such conditions a shear head wave is generated, so that standard techniques based on monopole transducers can be used to measure formation shear velocity.
在这种情况下会产生横波首波,因此可以使用基于单极子传感器的标准技术测量地层横波。
The standing wave and the characteristic of the radiated power of this printed antenna fed by the standard coaxial line are analyzed by the numerical method.
文中用数值法分析了这种印制天线在标准同轴线馈电时的驻波和辐射功率特性。
The design method of normal frequency standard signal source, which utilizes program control digital wave synthesis technology and achieved by microcontroller was given.
采用程控数字波形合成技术,通过单片微型计算机系统实现了工频标准信号源。
Through test study some wave forces which cann't be calculated by standard have been solved.
通过试验研究解决了一些规范中无法计算的波浪力。
They achieve a significantly higher power density than standard medium wave heaters.
它们可实现比标准中波加热器更高的功率密度。
And try to establish a model of standard deviation of wave packet by using statistical methods.
接著利用统计的方法,建立出波包标准差以及各外加条件的模型。
On the basis of standard spin-wave theory, the magnetic dispersion relations for a two-dimensional Heisenberg antiferromagnet are investigated.
利用标准的自旋波理论,研究了二维三角海森堡反铁磁体的色散关系。
The input and output use the standard rectangle wave-guide, the transition between rectangle wave-guide and fin-line is continuous gradual change line, and it has good capability of matching.
开关的输入、输出使用标准矩形波导,鳍线和矩形波导之间采用连续渐变线进行过渡,匹配性能良好。
This device can accomplish the measure of power quality index stipulated by national standard and has some other functions such as data showing, data saving, communicating, simple wave recording etc.
该装置可完成国标规定的电能质量指标的测量,并有数据显示、存储、通信和简单录波等功能。
A faulty feeder selector based on traveling wave theory and IEC61850 standard is developed for the single-phase grounding fault of digital substation in non-solid grounding power system.
基于故障行波理论和IEC61850标准,研制了中性点非有效接地系统数字化变电站中的单相接地故障行波选线装置。
The output of the oscillator can be used as a standard signal for calibration of the differentiator to employ in research on the transformation of physiological pulse wave forms in medical science.
电路输出可以作为标准信号,用来校准医用微分器,作生理电脉冲波形变换的研究。
Standard curves of palladium and tin are rectified by inner standardization scattered wave technique.
采用散射线内标法对钯和锡的标准曲线进行了校正。
It has been verified that the standard deviation of hunting wave of car bogie frame, which is very important to the transverse vibration analysis of the system, is the energy input into the system.
研究证明,构架蛇行波标准差是输入此系统横向振动的能量,因此,有关它的研究十分重要。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
在这种新的逆变器开关控制策略中建立多目标优化函数,既使得电压型逆变电路输出电流波形总谐波畸变率尽量小,同时又能减小逆变过程的电力电子开关损耗。
Fast Response, medium wave Infrared heaters are twin tube IR heaters with a spectrum between short wave and standard medium wave heaters.
快速响应,中波红外加热器是标准频谱红外加热器。
As an ideal mode-coupled transfer standard, the wave-plate stack has been adopted by many famous organizations abroad.
波片堆作为理想的耦合模式传递标准已被国外许多著名校准机构采用。
The reasons for choosing wave-plate stack as a PMD transfer standard, and the procedure for its design, manufacture and assembly are described.
对采用波片堆研制偏振模色散传递标准的原因,及其设计、制备和装配的全过程进行了叙述;
The new format USES a blue laser with a short wave length 405nm allowing large amounts of data to be packed in high density and stored on a standard size disc.
此光盘格式采用波长为405纳米的蓝光激光源,能够高密度地将大容量数据存储在标准尺寸的光盘上。
By this arrangement, while the time display measure is made easier to be seen, the radio controlled timepiece that can ensure the sufficient standard-wave receiving level can be provided.
由此,能提供既容易看时间显示装置又能确保充分的标准无线电接收电平的无线电控制时钟。
By this arrangement, while the time display measure is made easier to be seen, the radio controlled timepiece that can ensure the sufficient standard-wave receiving level can be provided.
由此,能提供既容易看时间显示装置又能确保充分的标准无线电接收电平的无线电控制时钟。
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