1) assumed error
假定误差
1.
This paper expounds that assumed error is the maximum error in the present anti aircraft gun fire control system,and is most difficult to overcome.
阐述了假定误差是当前高炮火控系统的最大误差 ,也是最难克服的误差 ,借鉴航空火控的热线原理 ,利用人对机动目标的模糊预测能力 ,提出了一种人机结合的火控系统工作原理。
3) Positioning Error
定位误差
1.
Application of Differential Method in Calculating the Positioning Error;
微分法在定位误差计算中的应用
2.
A way to seek the positioning error according to drawing software;
利用绘图软件求解定位误差值的方法
4) Error evaluation
误差评定
1.
After signal processing and error evaluation ,the horizontal and vertical straightness errors as well as the straightness error of bore can be measured simultaneously.
为了实现炮管直线度的高精度测量,提出基于激光准直技术和光电探测技术的测量方法,解决了光学系统设计及传感器的精密定位问题,给出了软硬件解决方案,实现了水平和竖直方向直线度的同时测量,同时显示,经直线度误差评定,得出炮管直线度的误差值;经实测,该设备的分辨率可达0。
2.
This paper analyses the theory and application of cylindricity error evaluation, establishes a kind of programming model for evaluation of cylindricity error, and discusses the minimum conditions criterion.
对圆柱度误差评定理论及应用进行了研究,建立了圆柱度误差评定的规划模型,探讨了误差评定的最小条件判据,提出直接求解规划模型的修正单纯形法,并给出了求解的步骤。
3.
Solutions to heart-shaped loop including the solution to minimal circumscribed heart-shaped loop, maximal inscribed heart-shaped loop and minimal zone heart-shaped loop and the error evaluations of non-perimeters were suggested in detail.
详细介绍了心形线边界的求法 (包括最小外接心形线求法、最大内切心形线求法和最小区域心形线求法等 3种方法 )以及进行不圆度误差评定的方法。
5) orientation error
定位误差
1.
Phase radio nevigation system: reasonable position and orientation error;
相位无线电导航系统主、副台的合理布设及其定位误差分析
2.
It analyses the influences of fixing bearing angel size on orientation error,it puts forward the approach to improve grinding precision through adjusting fixing bearing angel.
通过对固定支承外圆无心磨削时工件表面产生周期性误差及固定支承角的大小对定位误差影响的原因分析,提出了利用调整固定支承角的方法提高磨削加工精度的途径,指出在零件生产规模达到一定批量时,应首先找出零件上原始形状误差的分布规律,在此基础上,通过优化调整无心磨床支承角,使工件原始周期性形状偏差引起的周期性形状误差达到最小化。
3.
This paper points out some errors of calculation formulae of workpiece orientation error when round orifices are oriented in "Jig of machine tool design"published by several universities,and some correct formulae are give
针对几所重点大学所编《机床夹具设计》教材中有关工件以圆孔定位时定位误差的计算公式的错误 。
6) position error
定位误差
1.
An experimental study of position errors in the feed-driving system of numerical control machine;
数控机床进给传动系统定位误差的实验研究
2.
Application of Auto in the Position Error of Computing;
AutoCAD在计算定位误差中的应用
补充资料:假定
①姑且认定:~他明天起程,后天就可以到达延安。②科学上的假设,从前也叫假定。参看 〖假设 〗。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条