The method has low requirements for the placement attitude and assembling accuracy of binocular sensor, thus the calculation error of coordinates produced by medium refraction can be removed.
该方法对摄象机的摆放姿态与双目传感的装配精度要求较低,可去除介质折射产生的坐标计算误差。
The data from the data sources of different countries are converted into the unifying data format and projection coordinates system by data conversion, projection conversion and error correction.
将来自不同国家的数据源进行数据转换、投影变换和误差校正,转换为统一的数据格式和投影坐标系统。
This paper models the least square algorithm of the cylindricity error in the rectangular coordinates, whose center may be set on random and all discrete data can be sampled optionally.
建立了采样数据为直角坐标值、坐标原点可以任意选取、各离散采样点之间也不要求为等角度间隔情况下,圆柱度误差评定的最小二乘数学模型。
There were two main part of error source, the local reference system which was about 0.15as and the measurement coordinates of objects which were about 0.45as.
详细分析了主要的误差来源,分别是由参考星决定的局部参考架的误差约0.15角秒,目标量度坐标误差约为0.45角秒。
This paper introduces a new algorithm of interpolation based on polar coordinates. The algorithm is so simple that it can be easily realized by programme with minor error.
本文介绍了数控加工系统中一种基于极坐标的新型插补算法。其算法简单,易于实现,且插补误差小。
Based on the study of the influence of the quantification noise and the gray level noise on target feature image, the error model of the target feature image centroid coordinates is built.
深入研究了灰度噪声、量化噪声对目标特征图像的影响及其误差模型,并由此建立了目标特征图像质心坐标提取误差模型。利用仿真试验分析了灰度噪声、量化噪声导致的航天器间相对状态参数测量的误差分布。
Through comparison between calculation results and the measurements of the space point coordinates, the relative error is less than 5%, which means the method is feasible.
通过对比计算结果和空间点的实际位置,证明此方法是可行的,且相对误差小于5%。
Through comparison between calculation results and the measurements of the space point coordinates, the relative error is less than 5%, which means the method is feasible.
通过对比计算结果和空间点的实际位置,证明此方法是可行的,且相对误差小于5%。
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