- 更多网络例句与系统误差相关的网络例句 [注:此内容来源于网络,仅供参考]
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People are required to know and analyze the operating axes of rotary kiln in time in practice, in order to adjust and maintenance it in reason. So The Great Wall Aluminum Corporation of China bankrolled for studying the microcomputer real-time monitoring system of large-scale rotary kiln and commissioned Central South University to develop it.Based on analyzing and comparing the status quo of the monitoring system of rotary kiln, this paper brings forward a new method of monitoring the operating status of rotary kiln. It analyses the system-error and the configuration and demonstrate the feasibility in detail. In the design of hardware configuration it analyzes the principle and speciality of the tailor-made eddy current transducer and PCI-1713 analog input card and the multilevel supervisory network.
本论文首先在分析和比较同内外回转窑检测系统现状的基础上,首次提出了新的回转窑运行状态检测方法,并从系统误差及可行性角度进行了详细的分析和论证;其次,在监测系统硬件结构设计中,详细地分析了多级管理网络的实现,PCI-1713双缓冲区高速数据采集装置的原理、特点、工作过程,以及针对该系统恶劣的工作环境、特定性能要求而设计的特制电涡流传感器的原理、波形特性及性能特点,及为了减小非线性误差而采用计算机软件进行多段线性插补方法实现误差补偿;另外,在系统软件设计中,详细地分析了高速数据采样软件、智能信号处理软件、系统监测软件的实现,分析了采用模糊自适应滤波方法有效地滤除本系统恶劣环境下的各种干扰因素,并简要地介绍了系统分析软件的功能。
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The basic idea Is: using the standard value inserting the dynamic measuring errors which involve systematical errors and random errors, constructing the original error model which is revised at the same time and follows the variable law of the dynamic measuring errors, establishing a more suitable error model.
基本思想是:利用标准量插入动态测量数据实时分离含有系统误差和随机误差的动态测量误差值,建立误差的初始数学模型,并根据不断获得的标准点处的测量误差,实时修正或校正所建的初始误差模型,使误差模型不断跟踪动态测量误差的变化规律,建立更加符合动态测量过程的误差模型。
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A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-14S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels).
利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD 相机和LED 光源构建了测试系统,对测试结果进行研究和讨论,发现了测试系统LED 光斑质心定位系统误差的周期性变化规律,计算得到了基于Flea2-14S3 CCD 相机的光斑质心定位随机误差为0.018 pixels,系统误差为0.06 pixels,总体误差为0.063 pixels(约1/15 pixels),能够应用于以光斑质心检测为手段的测量系统中。
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A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-l4S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels). According to the total error above, this CCD imager can be widely used in many measuring systems which count on facula centroid subpixel detection.
利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD相机和LED光源构建了测试系统,对测试结果进行研究和讨论,发现了测试系统LED光斑质心定位系统误差的周期性变化规律,计算得到了基于Flea2-14S3 CCD相机的光斑质心定位随机误差为0.018pixels,系统误差为0.06pixels,总体误差为0.063pixels(约1/15pixels),能够应用于以光斑质心检测为手段的测量系统中。
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The measurement system error model analysis is introduced into power system real time network state analysis as an important part for the first time, which can improve on the state estimation quality and provide the capability to monitor the operation of the measurement system; 2. The theory and algorithm of the on-line estimation and update of measurement noise variance based on the relation between the residual variance and noise variance. The statistic properties of the sample variance are discussed and the relation between the estimation precision and sample size under given confidence level is derived; 3. The theory and algorithm of detection and identification of measurement bias are presented, which is based on the relation between residual mean and noise mean. The statistic properties of sample mean are discussed and the relation between estimation precision and sample size is derived; 4. The Givens orthogonal transformation algorithm is selected to be the essential algorithm of state estimation, the fast orthogonal transformation algorithm with damp factor and the algorithm which can handle the zero injection measurements efficiently are presented; 5. The quantity analysis theory of bad data detectivity and identifibility are presented, which describes the relation between the elements in matrix W〓 and bad data amplitude and can provide the theory base for measurement system design and valuation.
一、首次将量测系统误差模型分析做为一个环节引入电力系统实时网络状态分析中,为EMS系统增加了实时监视系统运行、修正量测系统误差模型的新功能,进一步发挥了实时网络状态分析应用软件的潜力;二、首次提出了应用样本方差在线估计与修正量测系统误差方差的基本理论,讨论了样本方差的统计性质和概率分布,推导出了样本容量、估计精度和置信度之间的关系,给出了在线估计与修正量测系统误差方差的算法;三、首次提出了应用样本均值在线检测与辨识量测偏差的基本理论,讨论了样本均值的统计性质,推导了样本容量、估计精度和置信度之间的基本关系,给出了在线检测与辨识量测偏差的算法;四、在状态估计算法设计中,以Givens变换算法做为基本算法,提出了快速正交变换阻尼因子法和可以有效地处理零注入量测的混合法,并对实时应用中的一些问题进行了讨论;五、提出了不良数据可检测性与可辨识性的定量分析理论,揭示了描述量测系统配置、网络结构与参数的残差灵敏度矩阵中的元素与不良数据的幅值在可检测、可辨识能力上的定量关系,为量测系统配置设计与评价提供了理论基础;六、综合国内外最新研究成果,采用自适应自回归预测技术和稀疏矢量技术,构造了较完善的不良数据检测与辨识算法。
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Structure of Managerial Compensation and Dispersion of Firm Value;2. It is considered that the errors compose of the true value error,systematic error and dispersion .
对煤炭资源勘查资源量与客观物质量之间差值的误差理论探讨,提出误差由真值误差、系统误差和离差3个基本部分组成,其中真值误差是不可消除的观测误差、系统误差是控制网度所决定的准确度标准、而离差是由地质构造及矿床形态的多解性产生的资源量波动。
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The phylogeny and applied prospect of MES are summarized in the paper. The principle of this system is analyzed from the point of view of acoustics. The surveying and filtering technology of auxiliary parameters, sounding data and the theory of image form, backscatter strength data processing, are researched deeply in the paper. The optimal model of velocity of sound is given. For sound ray tracing, some methods of correction of sound ray curve are developed. At the same time, an ideal model of sound ray tracing is proved and given. The GPS technology is applied for the determination of tide, attitude of vessel. Moreover, some methods are given. As an important topic, the systematic error is discussed in the paper. Some filtering methods are researched in this paper. Based on the current methods of image processing, the procedure and methods are tested and given that adapt to sonar image processing.
本文研究的工作是在总结多波束声纳测深系统的发展历史、应用前景的基础上,从声学角度分析了多波束系统的工作原理;对多波束辅助参数的测定和滤波方法、测深数据的滤波方法、多波束声纳图像的形成机理、图像处理以及最终应用等作了比较深入的研究;得出了适合于多波束精密深度计算的最优声速模型和声线改正模型;提出了 GPS 载波相位定位技术用于多波束辅助参数测量的思想、算法,改善了多波束系统的作业模式;系统地分析了深度数据的误差来源和类型,首次将系统误差作为影响测深精度的主要因素给以研究,并给出了削弱系统误差的方法,提高了深度数据的质量;对多波束声纳图像的形成、处理方法进行了细致的研究,给出了适合多波束图像处理的算法和流程,并从理论和实践上对声纳图像的应用进行了比较全面的研究。
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In this paper,the position accuracy improving method of the opening CNC system based on PMAC is analyzed,the servo-control algorithm which involves PID,velocity/acceleration feed forward control and notch filter and the error compensation function provided by PMAC is discussed,the pitch error compensation and the clearance error compens.
文章分析了在基于 PMAC 的开放式数控系统中提高定位精度的具体方法,对 PMAC 所提供的&PID+速度/加速度前馈+陷波滤波器&的伺服控制算法和误差补偿功能进行了阐述,将螺距误差补偿和间隙误差补偿应用于航空航天领域某型测控系统的系统误差补偿中,取得了良好效果。
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Using the a hand-hold GPS and wireless transmitting unit to rapidly locate the fire and determine the rate of fire spread, which also offered an indispensable way of verifying the speed of forest fire appealing. Discussing the representation and Computing Method of the simulate calculation error based on the thorough investigation of the sources of simulate calculation error. Pointing out that the speed and directional error are the root of forest fire appealing simulates error. Thus increasing the parameter of error correction is an effect way of reducing systematicsimulationerrors.
4提出了一种利用手持GPS和无线传输设备来快速测定火场位置和林火实际蔓延速度的方法,为林火蔓延模拟速度验证提供了必要的手段;对林火蔓延模拟误差的来源进行了全面分析,探讨了林火蔓延误差的表现形式和计算方法,指出了林火蔓延速度误差和蔓延方向误差是林火蔓延误差产生的根源,提出了通过增加系统误差修正参数来减少系统模拟误差的有效方法。
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From the experiment and analysis, it can be seen that friction limits realization of high accuracy electro-hydraulic position servo system, movement of any gimbal brings disturbance moment to servo system of other gimbals and the disturbance moment causes error, and, resolution ratio error and setting error of feedback measurement element are directly added to servo system output.
通过实验和仿真可以看出,摩擦阻碍了转台电液位置伺服系统商精度控制的实现,任何一个框架的运动都会对其余框架的伺服驱动系统产生干扰力矩并引起伺服系统误差,反馈测量元件的分辨率误差和安装误差直接反映在伺服系统输出上,对伺服系统的精度有直接影响。
- 更多网络解释与系统误差相关的网络解释 [注:此内容来源于网络,仅供参考]
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compensation of systematic error:系统误差补偿
热误差补偿:thermal error compensation | 系统误差补偿:compensation of systematic error | 误差补偿:the compensation of error
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fixed error:系统误差
fixed ended beam 固端梁 | fixed error 系统误差 | fixed frame 固定参考系
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maximum residual systematic errors:最大剩余系统误差
maximum relay 过载继电器 | maximum residual systematic errors 最大剩余系统误差 | maximum routine inspection effort 最大常规检查工卓
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systematic error:系统误差
(10) 系统误差(systematic error) 同一测量值在多次测量过程中保持不变或以可预计的方式变化的测量误差的一个分量. 上限(值)范围度(rangeability)最大"范围上限值"与最小"范围上限值"之间的比. 相对误差(relative error) 测量(绝对) 误差除以被测量的真值.
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systematic error:系统误差;恒常误差
system-specific compiler 特殊系统编译器 | systematic error 系统误差;恒常误差 | systeme electronique couleur avec memoire (SECAM) SECAM 电视制式,顺序存储彩电制式
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total systematic error:总的系统误差
total scattering 全散射 | total systematic error 总的系统误差 | total tolerance 综合公差
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constant systematic error:恒定系统误差
constant speed 等速 | constant systematic error 恒定系统误差 | constant taper screw 等螺距锥体螺杆
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variable systematic error:可变系统误差
variable stroke pump 变冲程泵 | variable systematic error 可变系统误差 | variable time increment 可变时间增量
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systematic error WESTBANK:系统误差
system structure WESTBANK 系统结构 | systematic error WESTBANK 系统误差 | systematic sampling WESTBANK 系统抽样
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unsystematic error:非系统误差
unsystematic engineering 无系统工程 | unsystematic error 非系统误差 | unsystematic measurement errors 非系统测量误差