测量误差

In order to fix quarter-wave plate accurately, a new method is presented to measure the optical-axis azimuth of quarter-wave plate.

为了准确安装四分之一波片，介绍了一种精确确定光路中四分之一波片光轴方位的新方法，并利用米勒矩阵理论分析了影响测量结果的误差因素。

In this paper,the principle for the orifice flow-meter to measure the hydraulic turbine wicket gate leakage was introduced.

本文介绍了用标准节流孔板流量计进行水轮机导叶漏水量测量的基本原理，结合实例介绍了计算方法并进行了误差分析。

First the dual-body satellite model is established and the control laws of reaction wheel are designed. Based on this the extended Kalman filter estimators with attitude sensor updated by star tracker are designed to provide error corrections for the pseudo-gyro and inertial gyro.

首先建立了双体卫星模型，并设计了动量轮控制律，在此基础上根据星敏感器的测量信息，应用广义卡尔曼滤波器来估计姿态和角速率漂移误差，进而对伪陀螺和惯性陀螺进行校正。

According to t he refined D-InsAR functional model some basic D-InSAR models have been derived, such as two-pass, there-pass and four-pass method. Some concise error analyses have al so been give during the derivation.

根据完善后的数学模型，推导了差分干涉测量基本的两轨、三轨、四轨算法的模型公式，并对其中的误差源进行了相应的理论分析。

Another important conclusion is that the shape difference between the PMT outputs is the main influence factor of the TOF detector's time resolution, and it is necessary to consider the influence of the shape difference while performing time correction.

通过分析还可以看到，信号的形状差异带来的时间误差对TOF探测器的本征分辨率有着重要的影响。因此，如果要获得更高的时间测量精度，在进行时间修正的时候必须考虑信号形状差异的影响。

Main works of the author:(1) Has developed a design of charge amplifier which using a kind of integrated chip replace a large number of leave components, though all the realized proposal of measurement circuit for the piezoelectric accelerometer;(2) Has made the circuit board;(3) Has proposed a programme-controlled scheme in the sensitivity throw-over of charge convert and gain throw-over of output amplifier;(4) Has done the experiment, give the experimental result;(5) Has done the error analysis based on the experimental result and the principle of the charge amplifier.

作者完成的主要工作包括：(1)通过对压电加速度传感器的测量电路的各种实现方案的深入调研，提出了一种用集成芯片取代大量分离元件的电荷放大器的实现方案；(2)制作了完整的电路板；(3)在电荷转换部分的灵敏电容的切换和输出放大级的增益切换电路的实现上提出了程控的方案；(4)进行了实验验证，给出了实验结果；(5)在实验结果的基础上，结合电荷放大器原理对系统作了误差分析。

The simulation results show that the distribution of longitudinal residual stress along the width of sheet is asymmetrical, and the residual distortion corresponds well with experimental results both in distortion pattern and deformation values on the whole sheet.

利用该模型可以得到不对称的纵向残余应力结果，残余变形的趋势在整块板上都与实验结果相同，而且变形量和实验测量值之间的误差在20%以内。

The method was used to retrieve PAR in Shandong and the result was tested by the ground data in Yuncheng station of CERN with the error less than 10%.

将该算法应用于对华北平原的部分区域进行反演，并使用中国生态网络禹城试验站的自动测量数据对结果进行检验，最大误差在10%以内。

The calibration approach can compensate at certain degree for the robot absolute location error in local space, and the gross measure accuracy of the vision system can meet the demand for off-line programming.

此标定方法在局部空间可在一定程度上补偿机器人的绝对定位误差，标定后的视觉系统综合测量精度满足离线编程的需要。

In the new models, there is no need to level and orientate theodolites for self--locating of GeoIMS. Comparing with the common model, the new models can eliminate the errors of levelling and orientating in self-locating of GeoIMS. So it is pos sible to improve greatly the precision of GeoIMS in the new models.

与传统模型相比，这几种新的自定位模型或者不要求仪器严格整平，或者不要求仪器进行相对定向，因此不再受仪器的整平、定向等误差的影响，从而使得系统的整体测量精度大幅度提高成为可能。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。