查询词典 measurement

The analogue method and FFT method, as the basic measurement techniques for distortion are discussed, the technique and the difficulties of distortion measurement is analyzed in detail.

叙述了正弦信号源失真的分类：谐波失真、噪声失真和杂波失真；讨论了失真测量的基本技术的优点和局限性，分析了失真测量技术的难点和技术状况；介绍了谐波失真和总失真度的定义。

The analytical geometry is used to study the formulas of Moire fringes for the measurement of screen line, to analyze the geometric forms and their properties of Moire fringes , and further discusses the bases of theory for the measurement of screen line.

本文用解析几何学方法研究测量网线的莫尔条纹方程，分析莫尔条纹的几何形状与特性，并且进一步讨论网线测量的理论依据，旨在深刻地揭示测量网线的莫尔条纹原理。

Maintain test and measurement area, including anechoic chamber, rooftop measurement area, and listening rooms.

维护测试和测量区域，包括消声室、楼顶测量区域和听音室

The control and measurement circuits of an anemometer are complex and difficult to design, especially the wind direction measurement.

系统集微传感器结构、控制与测量电路于一体，显著提高了二维风速风向传感器的在线控制和测量能力及其系统兼容性，并且便于系统扩展功能。

The results show that the change of the intersection angle is less than 1 when the temperature operating condition has been changed. It is concluded that the quantitative measurement method can get the accurate change of the intersection angle, and measurement data can provide important references for the ground analysis with three-line mapping cameras.

结果显示，测试相机在工况转变后交会角的变化在1以内，表明该测量方法可以准确得到相机交会角的变化量，测量数据对三线阵立体测绘相机在轨测量及地面影像分析提供了可靠的依据。

Using laser Doppler effect , based on measurement of the rotate speed of single section , the speed difference of double sections is measured and integrated , then the torsion angle of rotating shaft on torque effect is got. The non2contact torque measurement is realized , and dynamic monitoring of rotary machine equipment is achieved.

利用激光多普勒效应，在单截面测量转轴转速的基础上，采用双截面测量转速差并积分得到转轴在扭矩作用下的扭转角，实现扭矩非接触测量，达到回转机械设备的动力监测的目的。

The degree of electronic angle measurement are mainly coded dial plate, grating angle measurement dial and dynamic disks in three forms.

电子测角的度盘主要有编码度盘、光栅度盘和动态测角度盘三种形式。

The main factors determining the measurement accuracy are respectively discussed based on the analyses of the measurement error of angular displacement.

对角位移干涉测量系统进行了误差分析，讨论了影响角位移测量精度的主要因素。

To study the regular human gaits,the test system based on string displacement sensor and human joint angle measurement instrument are used to measure the motion trajectory of anklebone and the joint angles of lower limb under walking in different road conditions,and the measurement data is analyzed and treated based on human rigidbody model and with data fusion method.Then the gaittrajectories and standphases are gotten under the condition of upstairs,normal walking and downstairs.The result shows that the longest standphase is in upstairs condition,the middle is normal walking and the shortest is downstairs.

为研究人体的步态运动规律，采用基于拉线传感器检测系统和人体关节角度测量装置，对人在不同路况下行走时踝关节运动轨迹和下肢关节角度进行了测量，根据人体下肢刚体模型和数据融合方法对测量结果进行了分析和处理，得到了人在上楼梯、平地行走和下楼梯时的步态轨迹和3种路况下的支撑相；上楼梯时的支撑相最大，平地行走次之，下楼梯最小。

For 3D model technique in anthropometry, I analyze the influence for the measurement precision when measuring in different data phase and then present the definitions and measurement results of 21 important isosurfaces'positions and 35 important dimensions on human body.

在人体测量方面，对在不同数据阶段进行人体尺寸测量的准确度进行了分析，给出了人体二十一个关键截面位置及三十五个关键尺寸的定义和测量结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。