积累误差

It is a direct scheme and can avoid accumulated error resulted by iterative methods.Value results have illustrated that our algorithm has high precision.

该方法是一种直接解法，可以减少迭代法所产生的误差积累，数值实验验证了理论分析的正确性，表明该算法具有很高的精度。

The simulation results show that this method can modify the error in the process of coordinate transform,and the error is not accumulative.

仿真结果表明，该方法可对坐标转换过程中产生的误差进行相应的修正，并且误差不会积累，该方法的转换精度最高。

Such trilateration is liable to rapid accumulation of azimuth error .

这样的三边测量锁的方位误差容易迅速积累。

The results show that, when the computational error and its accumulation are eliminated effectively, the laminar flow in OFR with perfect-symmetric boundaries behaves in a pattern of central symmetry and circumferential uniformity while the turbulent flow field presents a centrally symmetric and circumferentially non-uniform structure with 8 transverse vortices arrayed circumferentially in a way of central symmetry, similar to Taylor vortices in Couette flow.

模拟结果表明在有效消除计算随机误差以及误差积累的情况下，几何边界理想对称OFR内的三维层流流场呈现出良好的中心对称性和周向均匀性，而湍流流场中心对称的同时呈现出周向非均匀结构－在圆周上生成8个中心对称排列的横向漩涡，其形态与Couette流中的泰勒涡类似。

The birth and evolution of corrugation are studied under the quasi-static condition by elasto-plastic rolling contact method.

波磨的形成是残余应变叠加的结果，忽略残余应变，在重复加载中计算结果会产生较大的误差积累。

If the change of step-size is controlled by the value of curvature of integral curve, the result can avoid such an error accumulation.

定步长的缺点在于不管是积分曲线的各个点的曲率如何都取一样的步长，这样肯定会在曲率大的一些点带来比较严重的误差，这种误差将在每一步的计算中积累。

The weakness of fixed step-size is that step-size is not variable regardless the curvature of each point of the integral curve change or not, which will affirmatively bring serious error in these points that the value of curvature is bigger. And, this kind of error will accumulate in calculating process.

定步长的缺点在于不管是积分曲线的各个点的曲率如何都取一样的步长，这样肯定会在曲率大的一些点带来比较严重的误差，这种误差将在每一步的计算中积累。

The problem of the error accumulation ,three different kinds of linear size marking form is analysed here.

分析了尺寸公差法标注尺寸的三种形式，它们都存在不同程度的误差积累，在一定条件下采用位置度注法，可以解决尺寸标注中的误差积累问

Considering the limits of RDSS in active positioning mode,such as poor security,limited capacity,and inability to continuously provide position,velocity and attitude outputs,a technique of tightly coupled RDSS /SINS integrated navigation system is proposed for land vehicles by utilizing the time differenced carrier phase of 3 geostatic satellites.

针对北斗系统有源定位方式保密性差、用户数目有限，不能提供连续的位置、速度、姿态信息的问题，提出利用北斗系统3颗地球静止卫星的载波相位时间差分信息，与车载捷联惯导构成紧组合导航系统，通过扩展卡尔曼滤波器估计并修正惯导系统的速度误差；引入载体的侧向和天向速度约束，改善了速度估计精度；结合北斗系统的伪距信息，消除了长航时条件下位置误差的积累；推导了滤波器观测方程，对组合导航滤波器进行了设计；通过车载实验进行了验证，实验结果表明，速度误差和位置误差的积累受到了有效地抑制，精度满足陆地战车导航的要求。

This dissertation also takes into account the influence of image rotation to creating omnidirectional image.

这样就消除了图象拼接积累误差的两个主要来源，使拼接更为准确。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。