查询词典 systematic error

According to working experience, the authors discuss the anti-interference issues in the application of microcontrollers in embedded systems and provide some measures for the design of admissible error and eliminative error.

本文根据笔者在实际工作中的体会，就单片机在嵌入式系统应用中的抗干扰问题进行探讨，并给出了排错设计、容错设计的一些方法和措施。

Navigation error of Dead reckoning is emanative as time goes on,because sensor error is exist,and it is very difficult to be accurately measured direct.

由于存在传感器误差，航位推算的定位误差是随着时间发散的，而直接准确检测这类误差非常困难。

A general laser scanning altimetry equation is developed that describes an ideal system, followed by developing an error model for the laser scanner, and the INS and GPS units. The result is a modified laser equation that contains all errors introduced. The error model is evaluated by analyzing the difference between errorless equation and laser equation with errors.

本文从机载激光扫描测高对地定位的几何模型出发，详细推导了各项误差对机载激光扫描测高对地定位结果的影响关系式；详细分析了不同误差对激光脚点坐标的影响规律，并给出了相应的数值结果和量化指标。

The authors estimate that the finished sequence covers 99% of the euchromatic portion of the genome and that the overall error rate is less than 1 error per 100,000 base pairs.

因为在自然选择的过程中，基因组的功能区域要比非功能区保守的多。通过这种方法就可以找出编码蛋白质的区域。

So, the study in this dissertation focuses on some key points in theuncertainty treatment of mobile robot localization as follows: Combined with the multiple proprioceptive and exteroceptive sensors ofmobile robot MORCS-1, aimed at the drift error of fiber optic gyro as theproprioceptive sensor, the neural network using genetic algorithm as optimaltool is proposed to accomplish the modeling and calibration for temperaturedrift of fiber optic gyro, which can reduce the drift error to the standard outputat constant temperature; and aimed at the noisy disturbance of ranging datafrom the exteroceptive sensor laser scanner, a dynamic adaptive filter isintroduced through the analysis of neighboring ranging data in time and spatialcorrelation to realize the real-time and dynamic filter, which can validly filter the noisy disturbance to meet the requirement of the accurately real-timeobstacle detection in mobile robot navigation.

总结全文，在移动机器人定位的不确定性处理研究中，提出了一些具有一定创新性的方法：结合自行研制的移动机器人MORCS-1系统的多种内外部定位传感器，针对内部本体感受传感器光纤陀螺仪的漂移误差，提出采用基于遗传算法优化的神经网络来对光纤陀螺仪的温漂建模及校准，能够将其温漂变化控制在恒温条件下标准测试输出附近；针对外部环境感知传感器激光雷达测距数据中包含的噪声干扰，考虑移动机器人导航中激光雷达测距数据的时空关联性，提出采用动态自适应滤波技术进行预处理，从而可以有效滤除噪声干扰满足导航中障碍实时精确检测的要求。

It is very important to control the position error.A new method for measuring the boresight error between optical axes based on facular center located with vision image is presented.

提出了基于视觉图像定位光斑中心的轴偏角测量方法，并基于LABVIEW虚拟仪器平台构建了机器视觉测角系统。

Rough error processing that frequently used to digital filtering was taken as the research object,on the basis of difference method commonly used in the past and profile method of fractile method,a synthesis algorithm-fractile method based on difference method was proposed.The algorithm for processing the rough error data was perfected .The method had been used in a detection system and result is satisfactory.

对数字滤波系统中经常使用的数据处理算法做了综合处理，对于数据采集过程中所得数据做粗差判断处理为主要研究对象，在过去常用的差分法和分位数分布图法的基础上提出了一种综合处理方法-基于差分法的分位数方法，对系统中的粗差数据处理算法做了更完善的探讨，该方法已在实际检测系统中应用，效果显著。

Gimbaled inertial navigation system ; system error analysis ; se nsor error estimation

平台式惯性导航系统；系统误差分析；元件误差估算

Myopic shift of refractive error was associated with female gender, older age, and with higher myopic or hyperopic refractive error at the baseline examination.

屈光不正向近视眼方向改变容易发生在女性、年龄偏大、基线检查时近视眼或者远视度数大者。

This error is caught by the compiler this error can only occur at run time if the definition of a class has incompatibly changed .

通常，该错误由编译器捕获，只有当一个类的定义在运行时有不恰当的改变时才会发生这种错误。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。