位置误差

GPS速度法确定飞机空速系统位置误差

Using GPS system to determine the position error of pitot static system

NC加工位置误差模型及其测量和补偿方法研究

The Finite Element Modeling of NC Machining Position Error and Its Measure and Compensation

CFD在柴油机螺旋进气道位置误差分析中的应用研究

The Influence of CFD on the Position Error Analysis of Helical Intake Port

稳定背景下PSD的位置误差分析

Position Error Analysis of PSD Irradiated Under Steady Background Light

这是因为GPS在定位过程中包含了许多误差源，尤其是测量随机误差和卫星的几何位置误差。

This is because during the positioning process many errors , especially the measurement and satellite position errors , cannot be deleted .

相位误差、位置误差和灰度误差三者关系及SAR原始图像像元不确定性

Study on the Relationship of Phase Uncertainties , Position Uncertainties and Gray Uncertainties and the Pixel Uncertainty of SAR Original Image

阵元位置误差在CMA直线阵中的仿真研究

The research of element position error in CMA array

以一个Ni软X射线波带片为例，用叠加圆环衍射场的方法分析了随机环带位置误差和宽度误差对主焦点效率和分辨率的影响；

The influence of random zone position and width error of zones on the main focus efficiency and resolution of a Ni soft X-ray zone plate is calculated .

在此基础上，提出了一种可以有效减小该结构PSD位置误差的系数修正方法，并开发了基于该方法的适用于任意尺寸四边形结构PSD的信号处理器。

Furthermore , a signal processor suit for tetra-lateral PSD with any size based on the method above is developed .

实验效果理想，阀门位置误差控制在±0.5%以内，响应速度为ms级。有很强的使用价值和广阔的应用前景。

The experiment results show that position error of the valve be controlled less than ± 0.5 % , ms-level response rate and have strong value and broad application prospects .

针对移动通信中自适应天线系统存在阵元位置误差的问题，研究了在恒模算法（DMA）直线阵情况下阵元位置误差对干扰抑制能力等系统性能的影响。

The CMA array of its sensitivity to system error in the presence of element position error for adaptive arrays of mobile communication is investigated .

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。

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 .

在GPS信号丢失5分钟时，位置误差大约为1400米，速度误差大约为15米/秒，姿态角误差大约为10度。

When the signal of GPS is lost for five minutes , the position error is about 1400 meters , its velocity error is about 15m / s and its attitude angle error is about 10 degree .

MonteCarlo实验表明，在星等误差0.5星等（3σ），位置误差10角秒（1σ）时，该算法的识别成功率接近100%。

Monte Carlo experiment demonstrates that , while the magnitude uncertainty is 0 5 ( 3 σ) and the position uncertainty is 10 arcsec ( 1 σ), the success rate very close to 100 % .

本文介绍了基于TFT-LCD的动态星模拟器的工作原理及星点位置误差的计算方法。

The article describes the working principle of the dynamic star simulator based on TFT-LCD and the calculation of the revised star angular distance error .

本文对刀口法激光光束漂移测量系统中刀口位置误差进行了分析，分析表明，在刀口位置误差中，Z和△Z对测量精度的影响最大。

The knife-edge position errors in laser beam drift measurement system are ana-lysed with knife-edge method in this paper . Among these errors , Z and △ Z are the key fac-tors which affect the accuracy of system .

利用叠加所有圆环的解析近似衍射场的方法来计算和分析随机环带位置误差、宽度误差、扩散和粗糙度对X射线波带片的效率和分辨率的影响。

The influence of random position error of zones , width error of zones , interdiffusion and roughness on the efficiency and resolution of X-ray zone plates ( ZP ) is analyzed by adding the analytic expression of the diffraction field of every ring .

仿真结果表明，该方法角度估计性能比只利用空域信息时有明显改善，而且还可解决角度兼并问题。提出一种MIMO雷达阵列位置误差的自校正方法。

Simulation results show that the method outperforms the methods which use the signals ' spatial information only , and solve the angle ambiguity problem . A self-calibration approach for MIMO radar with array location uncertainties is proposed .

结果表明，杂散光使得L形图形图像对比度降低、线宽减小和图形位置误差增大；

The results show that the flare leads to reduction of image contrast , shrinkage of line-width and increment of pattern place error .

计算了Ni软X射线波带片的随机环带位置误差及宽度误差对主焦点效率的影响；计算了SiO2/Ni硬X射线溅射切片波带片的两种材料的相互扩散和粗糙度对衍射效率的影响。

The influence of random zone position and width error on the efficiencies of a Ni soft X-ray zone plate was calculated , and the influence of interdiffusion and roughness on the efficiencies of a SiO_2 / Ni hard X-ray sputtered sliced zone plate was analyzed .

在第三章里主要针对神光系统中元件尺寸大、系统复杂，多种横向对准、光束抖动及光束尺寸控制困难，分析大尺寸DOE对横向位置误差的宽容性。

In chapter III major analyses large size and complex ShenGuang system , a variety of horizontal alignment , beam and the beam size jitter control difficulties , analysis of large size DOE horizontal position error tolerance .

经典的PnP（3n5）问题从本质上来说是非线性的，不但具有多解性而且对图像点的位置误差极为敏感。

The classical PnP problem ( 3n5 ) is inherently non-linear and generally of multiple solutions and sensitive to errors associated with image points .

计算结果表明：沿盘片切向的位置误差使DPD的幅值变小，在25%的范围内DPD的幅值随切向位置误差的变化系数为1.52T；

The poison error along disk tangential direction decreases the DPD signal amplitude , and the factor is 1.52T when position error is less than 25 % .

将获得的图像分为不同大小的5个视窗范围，测量直接扫描图像和DRR图像的边界绝对位置误差并计算其几何畸变率。

Geometric distortion in 5 different fields of view ( FOV ) was calculated by measuring the absolute borderline error of direct scan and coronal digital reconstructed radiograph ( DRR ) .

在光盘标量衍射模型的基础上，引入光电探测器的位置误差参数，根据DVD-ROM的盘片参数，计算并分析了位置误差对差动相位探测（DPD）信号的影响。

The influence of PDIC position error on the DPD ( Differential phase detection ) signal is analyzed and computed using the DVD-ROM parameters based on the optic disk scalar diffraction model .

在对SDH网络层次结构分析的基础上，确定使用SOH中的MSOH来传递时间信号，以减小位置误差对时间不确定性的影响。

Based on the analysis of SDH network layer structure , the MSOH in SOH is made certain to transmit time signal to reduce the effect of position deviation on time uncertainty .

采用此方法后的广播星历拟合精度可达0.1m，径向位置误差为厘米量级。

Using this method for GEO satellites with near-zero-inclination , the fitting accuracy for 4 hours fitting arc can reach 0.1 m , and the radial position error is cm magnitude .

该系统可以达到分米级的位置误差，厘米级的速度误差，0.2度的姿态角度误差，以及高于100Hz的输出更新频率。

The system yield the performance of decimeter position accuracy , centimeter velocity accuracy , 0.2 degree attitude accuracy , and more than 100 Hz update rate output .

钳工实习教学大纲要求孔位置误差≤±0.10mm。

The teaching program of the practice teaching of fitters requests the error ≤± 0.10 mms of the place of a hole .

部分震例表明，该方法预测发震时间误差小于3天，震级误差小于0.5级，震中位置误差小于50km。

With this method , earthquake prediction is much effective , the error of time of earthquake is less than three days , that of magnitude less than 0.5 degree , that of epicentre location less than 50km .