查询词典 systematical error

First, this section analyzes the error drifts in bit rate adaptation transcoding, including error drift caused by motion re-estimation and error drift of the pixel-domain transcoding compared with the compressed transcoding.

首先，分析了码率调整型转码算法中存在的若干错误漂移问题：运动估计带来的错误漂移；相对于压缩域转码器，像素域转码器的错误漂移。

System error System error includes constant and variable system error.

系统性误差可分为常值性系统误差和变值性系统误差两种。

Although our script cur- rently supports only one type of error, we still use a generic error variable in case we wanted to continue development of this script to add more error detection in the future.

尽管我们的脚本目前只支持一种类型的错误，但我们仍然使用了一个通用的error变量，这是为了以后还可以继续开发这个脚本，给它增加更多的错误检测。

Although our script cur- rently supports only one type of error, we still use a generic error variable in case we wanted to continue development of thisscript to add more error detection in the future.

尽管我们的脚本目前只支持一种类型的错误，但我们仍然使用了一个通用的error变量，这是为了以后还可以继续开发这个脚本，给它增加更多的错误检测。

Position transformation error is a important part in research of north seeking scheme, the thesis analyses position transformation bringing error of north seeking in two-position scheme and brings forward the method of position transformation error measurement and compensation.

在寻北方案的研究中，转位误差是一个不可忽视的部分，文中以二位置为例分析了转位误差引起的寻北误差和转位误差的关系，并提出了测量和补偿方法。

Experiments were carried out to verify the static model. Experimental results show that the experimental curve matched well with the simulated curve, and there was certain error between them (maximal static error is 0.035 rad). The error cause was analyzed. Then the experiments were carried out to measure the dynamic performances of the side-sway joint. Experimental results show that the step response time of the joint was about 2 s steady value's tolerance zone ?

完成了侧摆关节静态特性试验，试验结果与仿真曲线基本吻合，验证了静态模型的正确性，但存在一定误差（最大静态误差为0.035 rad），分析了误差原因；对侧摆关节进行了动态特性试验，试验结果表明对于不同的期望值角度阶跃信号，侧摆关节开环阶跃响应时间大约是2 s

The complexity of bodywork decides variety of it's error. The station and primary factor which cause error is inconstant change and using correlation analysis can find out the primary factor. With an project given, the theory of correlation analysis for dimension variation of bodywork is discussed through correlation analysis and the layer structure of the bodywork,the state in which the error happened can be found out. How to use eigenva...

车体装焊的复杂性决定了误差产生的多因素性，车体制造过程中产生误差的工位和主要因素是不断变化的，采用相关性分析方法从众多的误差根源中准确地发现最主要的误差源；结合工程实践，论述了车体尺寸波动的相关性分析方法的原理，根据测量点的相关性分析和车体焊接工艺的层次结构，可准确地找到产生车体尺寸误差的工位；讨论了如何利用相关系数矩阵的特征值和相应的特征向量判断尺寸波动的模式，指出测量数据的波动主要按最大特征值所对应的特征向量方式波动，引起这种波动的原因是车体误差产生的主要原因，应重点采取措施加以控制；提出了应用计算机进行相关性分析的解决方案。

Firstly, we test that the error data are not normal distribution, and even the expectation is not zero. Then we analyze the possible type distribution of these error data. Finally, we use the stepwise method to fit the error data and obtain a function for some parameters of the SAIL model. As prior knowledge, the fitting function will be used to inverse these parameters ofthe SAIL model soon.

首先检验了误差数据不服从正态分布，甚至均值不为零；然后对误差数据可能服从的分布类型给予了解析，得到了指数分布和混合正态分布两种不同类型的可能分布；最后拟合了误差关于SAIL模型部分参数的函数表达式，以作为先验知识应用于反演之中。

Comparison of the synchronous measurement result of this receiver with that of a reference one shows the error trend is the same. The scatter plots of the horizontal error and vertical error distribution show that this measurement system is more stable and can reflect the position information exactly.

该接收机和参考接收机的同步测量结果表明，两个接收机对定位信息获取的误差趋势相同，通过接收机的水平误差散点图和时间序列垂直误差分布图可见，该测量系统较稳定，可准确地反映定位点的位置信息。

Simulation results show that in the image rotation and scale variation range resulted from the navigation system error and the measurement error of the wireless pressure altimeter, the proposed image matching algorithm can satisfy the accuracy demands of the scene aided navigation system and provide the location error-correcting information of the system.

仿真分析表明，在导航系统误差漂移所引起的图像旋转和气压高度表所引起的尺度变化范围内，该算法能满足匹配准确性的要求，并能有效给出系统的定位误差修正信息。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。