精度

Epipolar geometry constraint is calculated by nonlinear error propagation at initial time to accelerate the speed of stereo matching; global and local methods are integrated to extract foreground objects precisely; and only pixels on objects' contour are reprojected into 3D space to fasten the depth calculation process.

使用视觉计算实现视频增强现实遮挡处理，用非线性误差扩散模型提高了对极几何的求解精度；将全局和局部高斯核相结合，提高并加快了物体前景轮廓线的提取精度和速度；仅用轮廓线上的点进行立体匹配的方法加快了真实物体深度反求的速度。

Experiment results disclose fine reliability, simple structure and exact measuring so...

实验结果表明，该系统可靠性好、结构简单、测试精度高，满足国标 GB7784— 87规定的测量精度。

Additionally, some shortages and problems about sea-level researches are listed, and preliminary improving measures concluded include:(1)using more precise dating technology to minimize errors;(2)carrying Out researches on tectonically stable locations;(3)adopting more precise sea-level indicators such as microatolls and tubeworm encrustations.

最后还指出了研究过程中存在的主要问题与不足，并初步总结出一些改进措施：①使用高精度的定年技术，减少年龄误差；②在构造相对稳定的海岸段研究古海平面变化；③尽量采用高精度的标志物，如微环礁、管形虫壳等。

The star calibration system, which is one of methods to calibrate precision and adjust tolerance of tracing and measuring devices in fields, has been widely applied to high precision tracing and measuring devices such as photoelectric theodolites, radars , etc.

星体标校系统是实现跟踪测量设备外场精度标校和误差调整的方法之一，广泛应用于光电经纬仪、雷达等高精度跟踪测量设备中。

The method could be used for all sorts of random variable using equiprobable transform formula. Studied the influence of the integrate points to the response random.

通过随机变量的等概率变换，这一方法可以应用到任意分布形式的随机变量上；进一步，考察不同积分点数目对响应随机量的影响，结果显示，在很少的积分点下，响应均值就能达到较高的精度，随着积分数目的增加，响应方差的精度逐步提高。

With adjusting the epoch time and ephemeris data at the criteria of constraint Least-Mean-Square-Error, the geolocation accuracy can reach 2 pixels in the whole images; and it can be improved to approximately 1 pixel in the whole images and less than 1 pixel at nadir by considering the spacecraft attitude deviations moreover.

如果进行历元时刻和卫星轨道根数的约束最优调整，导航定位精度在整条轨道大范围内可提高到2个像元左右；如果再加入卫星姿态偏差的校正，导航定位精度在整条轨道大范围内可稳定提高到1个像元左右，在星下点附近小于1个像元。

In this paper,computer technology is applied to solve the problem that exist in selecting the differential hanging gear s,such as database generation、hanging gears finding and big error of traditional calculation method,and to improve the precision and speed of finding differential hanging gear s,and to satisfy the needs of actual processing.

运用计算机技术，解决机床差动挂轮选择中存在的数据库生成、挂轮查找以及传统方法计算精度低的问题，提高了机床差动挂轮的计算精度和查找速度，满足了实际生产的需求。

The paper adopts the RBF neural network to fit ship lines at the first time and puts forward the method determining the RBF center point sets suitable for fitting ship lines. It shows that the method is of much higher learning speed compared with BP neural network, and is both practical and feasible based on the examination of the fitting precision by using the power function and circular function.

采用RBF神经网络拟合船舶型线，提出了适合船舶型线拟合的RBF中心点集的选取方式，与BP网络相比大大提高了学习速度和精度，用幂函数和圆函数检验本方法拟合曲线的精度，充分证明本方法拟合船舶型线是实用可行的。

The research result indicates that the precision is satisfied for the need of celestial navigation .

研究结果表明，其精度完全能满足航海天文导航的精度要求。

The earth rotation is one of the important factors which affect the accuracy of ballistic missile trajectory.

地球旋转是影响弹道导弹弹道精度的重要因素，通过运用简化公式对地球旋转对弹道导弹精度的影响进行了计算。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。