精度

The sources of noise are given mostly in the tube and gearbox of strander .

200型捻股机的噪声源主要在捻股机的筒体和齿轮箱体，提高筒体和齿轮的制造精度，合适选择轴承类型、精度，正确调整轴承的间隙和预紧力，可有效地控制200型捻股机的噪声。

Computer micro-vision, Mirau microscopic interferometry, stroboscopic photography and laser Doppler vibrator are integrated into this platform. In-plane and out-of-plane periodic motion characteristics of micro-resonator are measured, and out-of-plane transient motion of micro-mirror is analyzed. In-plane displacement, motion phase and resonance frequency can be measured by integrating computer micro-vision with stroboscopic photography, and the repeatable accuracy of in-plane displacement is 30 nm.

实验结果表明，利用计算机微视觉和频闪成像技术能够实现微结构的平面位移、运动相位及谐振频率等周期运动参量的测试，位移的重复精度为30 nm；利用显微干涉和频闪成像技术可实现微结构的离面位移及表面扭曲等周期运动参量的测试，位移的重复精度为3 nm；激光多普勒测振技术具有在频域上对微结构瞬态运动进行分析的优点，是时域上周期运动测试的重要补充。

The demonstration project showed that the precision of nonlinear regression formula of subarea is higher than that of the method of present code.

工程实例的结果表明，本文的分区非线性回归公式的精度比目前采用的规范评价方法的精度高。

A signal processing circuit for improved 2D-PSD including high-precision, low temperature excursion and high input impedance preamplifier, summator, subtracter and divider is used in high-precision laser collimation system.

采用高精度低温漂高输入阻抗的前置放大器、加法器、减法器、除法器等元器件设计了一种改进型2D-PSD的信号调理电路，用于高精度的激光准直系统中。

Precision instrument: Mode of relative power of %26plusmn;0.02dB or %26plusmn;0.5%: Measuring %26plusmn;0.02dB or %26plusmn;0.5% are inside limits; Exceed measure limits to installed at 0 o'clock for %26plusmn;0.04dB or %26plusmn;1%: In the %26plusmn;0.5% of the most acute limits complete scale Power consults power outputs: 100mW precision:%26plusmn;1.2% The face plate after general technology index outputs: Imitate 0-1V(does not take digital filter wave) or calibration coefficient is amended, 1K%26Omega; outputs impedance, BNC connects contact voltage: 220V and 240Vac,+ 5%~10%, 48~66Hz power asks: Weight of the biggest 8W(10VA): Suttle 2.6 kilograms of dimension: 88mm %26times;212mm %26times;273mmgrows

精度 仪器：%26plusmn；0.02dB或%26plusmn；0.5%相对功率模式：在测量规模内为%26plusmn；0.02dB或%26plusmn；0.5%；超出测量规模为%26plusmn；0.04dB或%26plusmn；1%零点设置：在最灵敏的规模全刻度的%26plusmn；0.5%功率参考功率输出：100mW 精度：%26plusmn；1.2%一般技术指标后面板输出：模拟0-1V或校准系数批改，1K%26Omega；输出阻抗，BNC连贯头电压：220V和240Vac，+5%~10%，48~66Hz 功率要求：最大8W(10VA)分量：净重2.6公斤尺寸：88mm%26times；212mm%26times；273mm长

The symmetric space voltage vector realized by TMS320F240 in software is introduced.

介绍了TMS320F240用软件生成对称空间电压矢量的方法，特别是针对高精度V/F值控制的应急通风机对交流变频调速的要求，通过检测直流侧电压实现对输入电压波动的前馈补偿，以提高输出电压精度，改善输出电流波形。

However, different systematic error has different scale and the influence degree is different.

在水准测量计算过程中，系统误差改正是一项影响精度不可忽视的重要因子，换言之，测量成果中若存在系统误差，将导致测量成果精度之降低。

The design scheme of equal-accuracy digital tachometer on FPGA is proposed by using equal precision for frequency theory in this paper.

本文利用等精度测频原理，提出了基于FPGA 的等精度数字转速表的设计方案。

The experimental result conducted on large-scale corpus indicates that the performance of this algorithm is remarkably higher than other usual lexical tagging algorithms such as hidden markov model. Meanwhile, by introducing the concept of confidence interval, implement an lexical tagger that combines SVM and HMM algorithms, reaching both high performance and efficiency.

针对句法分析的前期任务：词性标注的特点，提出创新的排歧算法，使得其精度和效率都得到非常显著的提高，为实现高精度和高效率的句法分析系统提供良好的基础。

The accuracy increases approximately 30 percent and 1/3 measuring time is saved compared with the TAMIS technique. Using the technique, the coma of the projection lens on PAS5500 scanner of ASML is measured.

在ASML公司的PAS5500型步进扫描投影光刻机上，多次测量了投影物镜彗差，结果表明，该技术测量重复精度优于1.2 nm，能实现高精度的彗差原位测量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。