Study of large diameter measurement system with laser collimation;
基于激光准直瞄准的大直径测量系统的研究
In order to realize synthetic coaxiality measurement for position deviations and angle deviations simultaneously,a laser beam-spot receiver system consisting of a receiver lens,beam splitter prisms,and CCD based on laser collimation was established.
为了实现在同轴度测量中平行偏差(平偏)和倾斜偏差(角偏)两个量的同时测量,建立了基于激光准直性的光斑接收系统。
Based on the principle and technology of laser collimation and optoelectronic inspection, an optoelectronic measuring method is presented to measure the straightness of the bore with a diameter of 25 mm by using the quadrant detection method, technique of laser collimation, optoelectronic detection, precision machine, servocontrol and computer for reference.
基于激光准直和光电探测原理与技术,并借鉴象限探测法、精密机械、伺服控制技术和计算机技术研制了一种用于Φ25mm火炮身管直线度的光电测量系统。
Design of laser alignment measuring system for guide rails assembling in situ;
双轨安装现场激光准直测量系统的设计
Analyzing characteristic of the four-quadrant detector applied to laser alignment;
四象限探测器用作激光准直的特性分析
Application of wireless USB data transmission system in laser alignment-instrument measurement;
无线USB数据传输系统在激光准直仪测量中的应用
A new method based on the traditional method is presented,applying the collimated laser to simulate the axes of the multi-barrel launcher.
在传统测试方法的基础上,采用准直激光光束模拟多管火箭发射器炮管轴线,利用CCD成像系统,结合数字图像处理技术完成了对多管武器系统的平行度检测,很大程度上弥补了传统测试方法的不足。
Collimation of fixed mirrors and its dynamical alignment in FTIR spectrometer
FTIR光谱仪定镜准直误差分析及动态校正
alignment error
安装误差;调准误差;定线误差;校正误差;校直误差
ADC ratio standard with about 1×10~(－8) error
误差为10~(-8)量级的直流比例标准
The alignment error and positioning precision of the wiggler are analyzed.
对超导扭摆磁铁准直的误差和精度进行了分析。
The influence of leveling staff error on the data of vertical crust deformation is discussed.
讨论水准标尺误差在垂直形变资料中的影响。
High accuracy laser-alignment technique with compensation of laser beam drift
具有光束漂移误差补偿的高精度激光准直技术
integral of time multiplied by the error criterion
时间乘误差积分准则
Measurement of departures from straightness
GB/T11336-1989直线度误差检测
compensating error of automatic vertical index
竖直度盘指标补偿误差
nonlinear standard error of estimate
非线性估计标准误差;非线性估计的标准误差
The accura-cy of the estimatations is expressed in term of the resulting standard errors or as abound on the systematic error.
估计精度用结果标准误差或系统误差带表示。
reference surface diameter tolerance
基准面直径容差 -光纤的
accuracy is about one order of magnitude
准确性约有一个数位的差误
integral of time multiplied by squared error criterion
时间乘平方误差积分准则
integral of time multiplied by the absolute value of error criterion
时间乘绝对误差积分准则
In principle, weights should be 1/(s. e. )2.
原则上，权应该是标准误差平方的倒数。
ESTIMATION OF MAXIMUM AIM ERROR FOR ANTISHIP MISSILE FIRE CONTROL SYSTEMS
反舰导弹火控系统最大瞄准误差估计
An Algorithm for Improving Error Registration of Netted-Radar System Based on ANN;
利用ANN改进组网雷达误差配准的算法