测量误差

The method is measured through the intersection of a number of checkerboard grid of side length and the actual side length of the error in terms of quantity of camera calibration accuracy and be able to compare the image to describe the accuracy of calibration results.

该方法通过交会测量得到的多个棋盘格的边长与实际边长的误差量来衡量摄像机标定的精度，能够比较形象地描述标定结果的精度。

At present, the error of the incline is introduced in measuring irradiance at sea surface and diminishing the effect of the skylight.

目前海面辐照度的测量，在消除天空光影响的同时，却引入了仪器接收面倾斜的误差。

The main research methods are:(1)Theory analysis:from the 2D plane geometry analysis, dots continuity characteristics are found. The first time irrational fraction algorithm is used in FM program.(2)Experiments reaearch:experiments of condition halftone function are designed under the cross-experiment principles. The first time variable information printer and C# language are used in experiment.(3)Data processing:new type digital density apparatus is used to measure data. Compare is used in processing data and error cause are explained. The main works as follows:The dot area percentage has been gained and new condition halftone function has been set up.(2)After being corrected, speed of irrational fraction algorithm has been compared with multiplicative congruence algorithm's.

本文的主要研究方法有：(1)理论分析：运用数字加网原理，从二维平面几何分析入手，借助实验验证研究网点连续特性；首次系统地把无理数取尾法随机数生成器引入到调频加网系统中，根据实验修正生成器的模型，运用统计假设检验理论，对生成的随机数序列进行统计假设检验；(2)实验研究：根据正交实验法则设计实验，首次采用可变信息印刷机(HP Laser PS印刷机)输出实验样张，克服了用传统胶印机作实验影响因素多的缺陷；采用新型数字式密度仪测量密度值，提高了数据精度；采用最新编程语言编写调频加网程序；(3)数据处理与分析：利用平均值比较法处理数据，对误差产生的原因进行讨论。

Based on this formula, the effects on the measurent result caused by synchronizing error, sampling number, starting sampling point under arbitary irregular wave condition can be clearly analysed.

根据这一公式，可在任意畸变波形条件下分析由同步误差、采样点数、采样起点等对测量结果的影响。

In this paper, from the view of engineering application, under the condition that three control points formed an isosceles triangle and only the error of image coordinates was considered, the influence of yaw angle to the robustness of P3P pose estimation method was developed.

本文从工程应用的角度出发，在三个控制点构成等腰三角形且仅考虑图像坐标检测误差的条件下，研究偏航角对P3P位姿测量方法鲁棒性的影响。

We placed the lens holder, testing lens, and the assistant lens in the testing optical path. When the testing lens was mounted in the lens holder, we took five dynamic interferograms. After rotating the testing lens by 180 degrees along the edge of the testing lens, we took another set of interferograms. Then, we could evaluate the centering error of the testing optical element by analysing these two sets of interferograms.

在待测光程中加入透镜治具、待测透镜与辅助透镜，当待测透镜贴靠於透镜治具，此时撷取五张连续相移干涉图，之后由待测透镜配合透镜治具沿待测透镜外缘旋转180度，再撷取另一组干涉图形，最后由两组干涉图进行分析，以测量光学元件的偏心误差值。

The linewidth error of 16-step Fresnel lens is measured and its effect on 16-step Fresnel lens is analyzed.

通过实验测量16阶菲涅耳透镜的线宽误差，分析其对16阶菲涅耳透镜衍射效率的影响。

The obtained maximum relative standard deviation was 5.89%, and relative errors were -20.99%-15%.

实验结果表明，测量结果的相对标准偏差最大为5.89%，相对误差在-20.99%～15%范围内，说明对铝合金样品成分进行定量分析，激光诱导击穿光谱是一种有效的光谱分析工具，但是分析结果的准确度仍需要提高。

The measurement on standard sample shows the method has a maximum error within 4%.

对标准件的测量表明该方法的最大误差在4％以内。

We found that the mean square error of difference value between GPS monitoring deformation and the second-order leveling surveying deformation is less than 1 mm, and there is a smaller systematic error between the ellipsoidal height deformation and the second-order leveling deformation ,whose value is about 0.5~1 mm; however, this system error does not affect the outcome of vertical deformation monitoring.

结果 得到的GPS监测变形量与水准测量变形量差值中误差＜1 mm，且GPS所测大地高变形量与二等水准测得的变形量间存在一个较小的系统偏差，其值在0.5~1 mm之间，该系统偏差不影响垂向变形监测的结果。

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。