查询词典 measurement

A new bridge deflection measurement method was proposed, in which the geometric information of co-operant was acquired by using the surveying robot. The angle measurement precision and the distance measurement precision of surveying robot were analysed from two perspectives of systematic error and random error. The measurement error analysis was done by considering the effect of the vertical angle and stadia. Measurement precision of the method was analysed in the least square principle.

提出了一种以测量机器人为采集器，通过获取合作目标的几何信息进行桥梁挠度测量的新方法，从测量系统误差、偶然误差两个方面分析了测量机器人的测角及测距误差，并探讨了竖直角、视距付挠度测量误差的影响，同时依据最小二乘原理分析了该方法的测量精度。

Through indoor and outdoor experiments, it was proved that the designed 3-D intelligent measurement system for field landscape and Laser leveling aided decision-making support system can work stably. The 3-D intelligent measurement system can achieve an accuracy of 2cm in attitude measurement. The measurement efficiency is two times higher than that of using measure pole of imported equipments. The measurement system developed can provide basic decision-making support for laser controlled field leveling.

通过室内和室外试验表明：自主设计研发的智能三维地形测量系统和激光平地辅助决策支持系统可以正常稳定工作；智能三维地形测量系统高程测量的误差小于2cm，工作效率同比同类设备高2倍多；激光平地辅助决策支持系统能为激光平地作业提供必要的决策支持。

On the side of exterior deformation monitoring, this dissertation proposes and proves the utility monitoring scheme by using general ground monitoring technology and the method of simplification differentiation polar coordinate survey for large span space structure deformation monitoring. On the side of stress measurement, this dissertation proposes an new method of stress measurement suit for mass concrete triangular frame and discusses shrinkage and creep of concrete how to influence stress measurement, and sets up finally a process how to calculate concrete stress through data for piano wire sensors. Finally, on the side of cable forces measurement, this dissertation discusses principle and measurement technology of frequency method.

在外部变形测量方面，本文提出并验证了一套利用常规地面监测技术监测大跨度空间结构几何变形的实用方案及一种简化的差分极坐标测量方法；在应力测量方面，本文提出了一种适用于大型混凝土三角刚架应力监测的新方法，研究了混凝土的收缩徐变对应力测量的影响，并在此基础上建立了一套由振弦式传感器的测试数据推算混凝土结构应力的流程；在索力测量方面，本文探讨了频率法测量索力的原理及实用测量技术。

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

In the Gaussian sum filter-Kalman filter 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. And the GSF is applied to the new measurement and nonlinear state equations to estimate the nonlinear states. Then the estimations of the nonlinear states are inserted into the linear state equation and the original measurement equation to estimate the linear states by 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，再与非线性状态方程联立，由高斯和滤波器(Gaussian sum filter， GSF)获得非线性状态的估计；然后将估计值代入线性状态方程与观测方程，由卡尔受滤波器(Kalman Filter， KF)获得线性状态的估计。

In this paper the effects of scanning truncation error, scanning position error, random amplitude and phase error, and multiple-reflection error in near-field antenna measurement are analyzed; error equations and the uncertainty of measurement are obtained through computer simulation; compensated techniques for reducing the effects of measurement errors in near-field antenna measurement are presented and the formula and arithmetic of phaseless near-field techniques are derived.

本文从解析法和数值仿真两个角度深入分析口面天线近场测量中扫描面截断误差、扫描面位置误差、随机幅相误差、多次反射误差等误差源对天线远场特性测量精度的影响，一方面从理论上给出相应的误差方程，另一方面建立误差分析模型，通过计算机模拟，得到不同误差条件下测量结果的不确定度，并介绍了减小这些误差的修正方法，推导无相位近场测量的公式和算法。

Based on the Kirchhoff law, according to the relationships between various technical parameters and main specifications (temperature resolving power, temperature measurement sensitivity, relative temperature measurement sensitivity, and temperature measurement accuracy), an optimal method of the practical real-time temperature measurement system using laser diode and LiTaO3 pyroelectric detector is proposed.

基于Kirchhoff定律，依照测温系统的各主要技术参数与各主要技术指标(温度分辨力、测温灵敏度、相对测温灵敏度及测温准确度)之间的关系，对利用激光并采用钽酸锂热释电探测器作光电转换器件的实用化实时测温系统的工作波长进行了进一步的优化设计。

On the basis of analysis and comparison of conventional and some modern dielectric loss measurement methods in this paper, considering the difficulty consist in the dielectric loss measurement, such as the problem of the locale measurement of dielectric loss the suffering the interference of the electric field in the electrified wire net, the influence of harmonics and the leakiness of frequency spectrum due to the change of the frequency in power supply etc. a new measurement method which the frequency conversion anti-jamming technology combines the fundamental waves phase detachment method is presented.

论文在分析了传统介质损耗测量方法和现代介质损耗测量方法的基础上，针对介质损耗检测中存在的技术问题，如现场测量时工频电网强电场干扰问题、高次谐波影响问题、供电电源频率改变所引起的频谱泄漏和栅栏效应等问题，提出了采用变频抗干扰技术和基波相位分离法相结合的新型测量方法。

The theory of the system is combining formation of image and parallel white light projection. The system uses many edg measurement methods with subimage-element accuracy, and has many merits such as hige measurement accuracy, strong anti-interference function, intuitionistic measurement, convenient using and esay maintenance and so on. The repeatability of position measurement is below 0.1μm (0.05 pixel). EDG is used in practical machining of feedback stick, which is used in astronavigation industry.

在分析研究各种CCD工业检测技术基础上，研制了基于CCD和PC数字图像处理技术的反馈杆刚度检测系统，该系统采用成像法和平行白光投影法相结合的原理，综合运用了多种亚像素精度边缘检测方法，具有检测精度高、抗干扰能力强、检测直观、使用方便和易于维护等优点，其位置检测的重复精度可稳定在0.1μm（0.05像素）以内。

In this paper, the principle of caution to start the basic theory, expounded the principle of care and the role of meaning, emphasizing the principle of caution for owners, managers, creditors, as well as the importance of accounting personnel; introduced the principle of prudent accounting practice in China and the need for careful application of the principle of the basic requirements; detailed exposition of the principle of prudent asset impairment provision, recognition and measurement of intangible assets, fixed assets depreciation method choice, the recognition and measurement of income, inventory valuation methods choice, or there are matters of identification and disclosure of the application and embodiment of the main; focused on the principle of prudent asset impairment in the recognition, the recognition and measurement of intangible assets, fixed assets depreciation method choice, revenue recognition and measurement, inventory valuation methods, or there are matters of recognition and disclosure issues that exist in reality; and on the careful application of the principle of how to correctly Suggestions: correct handling of the principle of caution to the principles and other relations, reduce the tax policy and differences in accounting policies, appropriate use of the principle of prudence, strengthen auditing and supervision, and strengthen the internal mechanism to improve the accounting standards in the application of the principle of prudent operational, financial reporting to strengthen the disclosure of information, enhance professional accountants capable of making judgments.

本文从谨慎性原则的基本理论入手，阐述了谨慎性原则的含义及作用，强调谨慎性原则对于所有者、管理者、债权人以及会计人员的重要性；介绍了谨慎性原则在我国会计实务中应用的必要性及谨慎性原则的基本要求；详细论述了谨慎性原则在计提资产减值准备、无形资产的确认与计量、固定资产折旧方法的选择、收入的确认与计量、存货计价方法的选择、或有事项的确认与披露方面的主要应用和体现；着重研究了谨慎性原则在资产减值准备的确认、无形资产的确认与计量、固定资产折旧方法的选择、收入的确认与计量、存货计价方法选择、或有事项的确认与披露中存在的现实问题；并提出了关于谨慎性原则如何正确运用的几点建议：正确处理谨慎性原则与其他各项原则的关系、缩小税收政策与会计政策的差异、适度运用谨慎性原则、加强审计监督，强化内在约束机制、提高会计准则中谨慎性原则应用的可操作性、加强财务报告信息披露、提高企业会计人员的职业判断能力。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。