误差因素

Based on the Influence factors of location error in clamping apparatus design, this paper has established the relation function between the procedure size s or angles and the location norm parameters, in which the positioning error substituted by the approximate differential value of function.

分析夹具设计中定位误差的影响因素，建立了工序尺寸或角度与定位基准有关量的函数表达式，由函数的微分近似代替定位误差。

We analyze factors that cause the error during the process ofstraightening drill pipes and work out the approximate value of straightening error.

对引起钻杆校直误差的因素进行了分析，并对系统的校直误差进行了估算。

Statistic analysis result shows that the time step is the most important influence factor of simulation precision, and there is relation between simulation error and the setup value of restitution coefficient which the greater the setup value is, the less the simulation error is. Although there is no effect to the total contact time in the course of collision, the value of the time step decides the total contact step, and there is a logarithmic linear correlativity between them.

统计分析结果表明：计算时步是影响模拟精度最重要的因素；模拟误差还同恢复系数的设定值有关，设定值越大，模拟误差就越小；计算时步的大小虽然对碰撞过程的总接触时间影响不大，但是却决定了碰撞过程的总接触时步数，二者之间存在对数线性相关关系

In theory, there is no error for the refractive seismic exploration by permuting the focus and the cymoscope. In some especial condition, it would be the only choice because that refractive seismic exploration is needed, but the error can not be neglected be cause of various factors.

在理论上，用源检互换的方法进行折射地震勘探是没有误差的，在某些特殊条件下无法铺设检波器而又必须进行折射地震勘探时它也是唯一的选择，然而，在实际工作中，由于各种因素的影响，其误差是不可忽略的。

The error sources, factors of effect on accuracy and the controllable error range of airborne laser designator are discussed, through the components of airborne laser designator in this paper.

文中通过机载激光指示器的组成分析了它的误差源、影响系统精度的因素以及其可控制的误差范围。

The Gaussian properties of laser beams may cause the appearance of gradients in the interference pattern in the measuring volume and a broadening of Doppler spectrum....

本文定量地论述了高斯光束的各因素对测量精度的影响；给出了测量误差表达式，经过各种情况下的理论计算值的对比和分析，得出了两束腰分别在测量区两侧，等距离时，干涉条纹空间频率梯度引起测量误差最小的结论。

There are many factors leading to the occurrence of the error and the law of error variation is very complicated.

影响误差的因素很多且不断变化，误差产生的规律很复杂。

In two different eases of the error in observation, a quick and precise simulation algorithm is designed, which takes optimized rule, precision, time and equipment performance into account.

在考虑观测误差和不考虑观测误差的两种情况下，综合优化规则、运算精度、运算时间，以及仿真机器的性能等各方面因素，设计出高精度参数确定的方法。

A variable-step modified Euler time integration method is proposed and analyzed. Four major factors that affect the efficiency of the variable-step modified Euler time integration method are discussed. These include stability and accuracy analysis for the damped fix-step modified Euler integration formula, adjustment method of the fix-step basic integration formula to accommodate step-size changes, suitable range of the step-size selection strategy based on truncation error concept and development of the step-size selection strategy based on apparent frequency concept to satisfied the specified error bound and stability condition.

提出了变步长修正Euler时间积分法，详细讨论了影响变步长修正Euler时间积分算法效率的四个主要因素，它们包括：有阻尼问题的修正Euler法的稳定性和精度分析，调整固定步长的基本积分公式使之容纳步长大小变化的研究，基于截断误差概念的步长大小选择策略适用范围的讨论，同时满足规定误差界和稳定性条件的、基于表观频率概念的步长大小选择策略的建立。

Calibration error is analyzed and theoretical expression of error term is given. The method to detect malfunctioning TRMs is proposed in the case of TRM failure.

分析了定标误差的影响因素，给出了误差的解析表达式；给出了检测失效T/R组件的方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐