查询词典 accuracy of measurement

In order to raise the accuracy of the measurement of tangent of dielectric loss angle in XLPE cables,efforts were made to explore the effect of sample preparation and use of protective ring,i.e.the effect of different protective rings and different distance between the protective ring and the insulation shield on the accuracy of the tgδ measurement under a given measuring voltage.

为了提高交联聚乙烯绝缘电力电缆介质损耗角正切测量的准确性，对电缆试样制作保护环等问题进行了深入地探讨，即在一定的测量电压下，采用不同的保护环以及保护环与绝缘屏蔽之间不同的距离，对tgδ测量值的影响进行了探讨，并对测量工作提出了应注意的若干问题。

Laser-based metrology and grating-based metrology are two main ultra-precision tools of dimension measurement. However, very few research work has been done on grating-based nanometrology compared with laser-based nanometrology till now because many people, including some grating researchers and specialists, hold the idea that the accuracy of grating-based measurement is lower than the laser's and can only reach micrometre or sub-micrometre level. They consider that it is unfeasible to get nanometer-scale accuracy using grating-based sensors.

激光技术和光栅技术是毫米级以上量程的精密几何量测量的两种最主要手段，目前，用激光进行纳米测量的研究已经很多，但光栅纳米测量技术的研究却很少；很多人，包括很多光栅研究者和测量专家，都认为，光栅测量的精度不如激光，其精度还只是停留在微米量级上，用光栅来进行更高精度的测量以至纳米测量是难以实现的。

In the algorithm, the conditional linear state equation is first inserted into the measurement equation, which fuses the linear state process noise and the original measurement noise, whereafter the GHF is used to estimate the nonlinear states. Then the estimated means of the nonlinear states are inserted into the linear state equation and the original measurement equation to estimate the linear states by the KF. Moreover, in order to improve the accuracy of the estimates, the estimated variances of the nonlinear states are fed back to modify the estimations of the linear states using the KF.

算法将模型中的条件线性状态方程代入观测方程，并融合线性状态的过程噪声和观测噪声，由GHF获得非线性状态的估计；再将非线性状态的估计均值代入线性状态方程与观测方程，由KF获得线性状态的估计；获得的非线性状态估计方差还用于修正由KF估计的线性状态，以提高精度。

On the base of the single-diameter laser-scanned measuring technology, a double direction laser-scanned measuring system is presented. Which combinate the laser-scanned measuring technology with special optical system. In the system, the collimation semiconductor laser-scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. The beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high-speed photoelectric transition and electronic data process. Two measured results of the diametric directs and ellipse tolerance,etc, parameter, of the turning workpiece on the same plane are obtained by non-contact automatic measurement. The problem of non-contact measurement of two perpendiculars direct of one plane of turning workpiece is settled. It processes many peculiarities, such as high speed, high accuracy and non-contact automatic measurement, etc.

在单向激光扫描检测技术的基础之上，提出了一种双向激光扫描检测系统，其采用激光扫描检测技术与特殊光学系统相结合，用准直半导体激光扫描光束对被测工件径向某一截面的两个相互垂直方向同时扫描，经扫描接收光学系统、高速光电变换、电子学系统和微机数据处理系统，对将携带有垂直方向被测量信息的光束进行处理，实现了回转体工件同一截面两个垂直方向的径向尺寸和椭圆度等参数的非接触自动测量，解决了同时非接触测量回转体零件同一截面两个径向尺寸的难题，它具有高速，高精度和非接触自动测量等特点。

Therefore, we designed a measurement based on the measurement of grating XY table to meet the measurement of the rail line rolling X, Y coordinates of the accuracy requirements.

因此，本文设计了一种基于计量光栅的计量型X-Y工作台，满足了测量直线滚动导轨对X，Y坐标精度的要求。

The system has the features of high precision, good repeatability, high automatic degree and simple operation. The measurement result indicates that the measurement range is from 400nm to 1000nm, the measurement accuracy excels 0.1 percent, the repetitive error is less than 0.6 percent.

创建的测量系统具有测量精度高、重复性好、自动化程度高和操作简单的特点测试结果表明：系统的测量范围为400~l000nm，测量准确度优于0.1%，测量的重复误差小于0.6%。

The relationships between main specifications of the instrument, such as tempe rature measurement accuracy of the instrument, temperature measurement sensitivi ty and temperature measurement range, and technical parameters, such as working wavelength of the instrument, bandwidth of amplifier and relative aperture of op tical system were analyzed.

分析了该系统的测量精度、测温灵敏度及测温范围等主要技术指标与激光源的能量、仪器的工作波长、放大器带宽、光学系统的相对孔径等技术参数间的关系。

Because how to improve the measurement accuracy of CT parameters is the key of low voltage method, the paper in detail introduces the electronic parameters measurement circuit, furthermore,the needed digital sinal source ,CT ratio measurement circuit ,the way of digital sampling ang sinal processing are emphasized in the paper.

文中详细介绍了CT 内部参数的测量原理及实现方法。在其中着重讨论了校验仪中所需的高精度测试信号源及变比测量电路的原理和实现、数字采样技术及数据的分析处理方法。

This paper introduced a single antioxidant extraction system--5% sulphosalicylic acid which could extract and assay ASA/DHA and GSH/GSSG simultaneously. Through analysis of kinetic curve of DTNB-GR recycling, the suitable time parameter was selected for the measurement GSH/GSSG. This system made the extraction of antioxidant quick and easy, and enhanced the accuracy, reproducibility and comparability for the antioxidant measurement through it compared to original method of extraction and measurement.

文章介绍了在一个单一提取系统—— 5 %磺基水杨酸中同时提取并测定了抗氧化剂 ASA/DHA和 GSH/GSSG，通过 DTNB— GR循环的动力学分析固定了 GSH/GSSG测定的最佳时间参数；通过与原提取和测定方法的比较，此法对于测定抗氧化剂有很好的准确性、重复性和可比性，使抗氧化剂的提取和测定变得简便快速。

Compatibleness of four-wheel measurement and two-wheel measurement,only several seconds can be spent for quick measurement,indepengent measurement,which can be selected freely.

多种测量方式：快速定位，整车定位，360度全封闭测量，独立测量，可自由选择

Author of Teaching with Writing (1987) and coauthor of The Letter Book (2000), both published by Boynton/Cook, he has also coedited numerous publications, including When Writing Teachers Teach Literature: Bringing Writing to Reading (1996), Programs That Work: Models and Methods for Writing Across the Curriculum (1990), and The Journal Book (1987), all published by Boynton/Cook.

作者的教学与写作（ 1987年）和共同作者的信图书（ 2000年），双方发表的博因顿/库克，他还coedited许多出版物，包括写作时教师文学：实现以书面形式向读（ 1996年），程式工作：模型和方法为写作跨课程（ 1990年），和杂志书（ 1987年），所有出版的博因顿/库克。

The term is not always "contemptuous" however — and it is a rare word, even in Japanese (older Japanese people know that 'mokusatsu' is a rare way way to let somebody down easily and still let them let them keep their pride).

我觉得差不多就行了干吗这么胡搅蛮缠的啊，这样不是他说的"剽悍"，而是无聊，实在是无聊的紧，所以有一段时间我停止订阅他的 Blog，直到后来这事过去。