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- The influence of random zone position error,width error,interdiffusion and roughness on the efficiency of X-ray zone plates(ZP) was analyzed by summing up the wavelets of every pair of rings. 使用振幅矢量叠加法,通过叠加X射线波带片每一对环带对焦点的贡献,计算和分析了随机环带位置误差、宽度误差、扩散和粗糙度对波带片的效率的影响。
- zone position error 环带位置误差
- To solve this problem,a map-matching method is introduced,which uses a digital road map to correct the position error. 应用数字化道路图的地图匹配算法可以解决这一问题。
- But the positioning error of INS accumulates along with time. 但惯导定位的定位误差会随着时间不断积累。
- Test results show that the DCSS has good dynamic stability and lest position error by using position-velocity closed loop control. 实验表明，以位置、速度双闭环控制的 全数字式直流伺服系统具有良好的动态稳定性和很高的定位精度。
- The mathematical model between position error and north seeking error is gotten through error theory and partial derivative principle. 运用误差理论和偏导数原理，推导出转位误差与寻北误差二者之间的关系模型。
- The fuzzification step categorizes the position error into five fuzzy variables, and the slope error into three fuzzy variables. 模糊化步骤把位置误差分成5个模糊变量，而把斜率误差分成3个模糊变量。
- It is set up a calculating model of which simplifies workpiece position error calculating within the machine tool's fixture. 得出简化工件在机床夹具中的定位误差的计算方法。
- If you were trying to describe how a gun-pointing servomechanism works, you might start out by saying, "Suppose I push down on the gun-barrel to create a position error. 如果你试图去描述用于火炮瞄准的伺服机制是如何工作的，你可能会从下面这种叙述开始：“假设我把炮管下压而产生了一个位置错误。
- A method of calibrating the sensors' position error, channel gain and phase uncertainties of equispaced linear array without phase delay ambiguity was presented. 摘要针对等距线性阵列天线的阵元位置误差和通道幅度相位不一致性问题，提出了一种采用单校正源分时多方位的无相位延迟模糊校正方法。
- In the 6_bit code,the four BCD numeric place positions(1,2,4,and8) are retained,but two additional zone positions are included. 在6位BCD码中，四位BCD数字位(1，2，4，8)仍保留，但是，包含了两个附加的标志位。
- microwave zone position indicator 微波区位置显示器
- Element position error,mutual coupling between elements,and the difference in frequency responses of receiver channels influence directly the performance of array radar signal processing. 阵元位置误差、阵元间互耦的影响、接收机通道的频率响应的差异都直接影响着雷达阵列信号处理的性能。
- In this paper,artificial neural network is applied to a computer-aided the compensation and the forecasting of position error of CNC system in order to improve its manufacturing accuracy,fine experimental results are obtained. 为了提高机床数控系统的廓形加工精度，本文通过研究人工神经网络的加工误差预报补偿技术以提高计算机数控系统（CNC）的廓形加工精度，并且取得了良好的效果
- Theoretical research and computer simulation show that the new IIL can obtain higher resolution and better resist patterns as well as decrease position error of patterns out of focusing. 理论和计算模拟表明，该方法可以提高图形对比度和分辨力，并减小因调焦误差引起的图形横向位移误差，有利于改善抗蚀剂图形质量。
- The paper analyses difficulties and characteristics in machining bearing hole of canular forked shaft and measuring its position error;and it designs equipment for machining and measuring this hole. 提出在计算机辅助夹具设计中定位参考面的建模方法,并在此基础上分析了定位件位置误差对工件几何精度的影响,为校验和改进夹具设计提供了依据。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- When machining a gear by using hobbing,the position errors between the tool and workpiece could occur. 滚齿加工中,滚刀与工件的相对位置会产生偏差。
- Setup error is also called patient positioning error, deriving from everyday treatment variation. 设定误差即病人治疗位置误差；
- Numerical analysis and discussions of the position errors due to the joint clearances are given in the thesis. 将数值代入矩阵中，计算出因间隙而偏移的机构终点位置，讨论间隙对于机构的位置误差之影响。
