By analyzing the amplitude error due to the nonuniformity in the hemispherical resonator circumferential direction , the mathematical model of measuring angle error is deduced and the way by using software program to compensate the measuring angle error is discussed 分析了谐振子环向不对称造成的振幅误差，并建立了由此引起的测角误差的数学模型，讨论了由软件算法来补偿侧角误差的方法。
For compensating the nonlinear error between winding current and the result magnetic field of stepper motor , the method of minimum square is adopted to fit and correct the error curve of subdivision step angle , and the subdivision precision is improved 为了补偿步进电机相绕组电流与其产生磁场之间非线性引起的误差，采用了最小二乘法对细分步距角误差曲线进行了拟合与修正，提高了细分精度。
Angular calibration of radar antenna system is composed of the calibration of angular error sensitivities ( also called directional sensitivity ) , adjustment of cross - coupling of azimuth and elevation signals , and the calibrations of system errors such as antenna axial system error , dynamic delay and so on 雷达系统天线的角度标校包括对系统角误差灵敏度(又称定向灵敏度)的标定、方位俯仰信号交叉耦合的调整以及对天线轴系误差、动态滞后等系统误差的标定。
In this topic , the error characteristic of resistance voltage sensor was analyzed in theory , by using electric circuit analysis , the reasons which affected its error were gotten . based on theory analyses , initial structure was designed . then by using fem ( finite element method ) of simple resonance field , several structures electromagnetic field was calculated , and their amplitude errors , phase errors , maximum of electric field intensity and frequency characteristic of amplitude error were contrasted 本文从理论上分析了电阻式电压传感器的误差，用电路分析法定性的研究了影响电阻分压器误差的因素；在理论分析的基础上进行了电阻分压器结构的初步设计；基于该设计，利用简谐场的有限元方法进行了场的计算，比较了几种结构方案的幅值误差、相角误差、最大场强值及其幅值误差的频率特性，从而得到一种最优方案；制作了分压器样机，并在本实验室进行了实验；最后，对电子电路部分进行了初步设计，并提出了抗干扰的措施。
The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented . whereby the theoretic analysis is carried out and the analyzing results are obtained . the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence 对安装面角误差影响随动光轴平行性的问题也建立了数学模型，以此为出发点进行理论分析，给出了分析结果；提出用三坐标测量机测量安装面，通过拟合得到安装面的角误差；从而为减小这一误差源对随动光轴平行性的影响铺平了道路。
The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first . using velocity error as exterior value of observation , maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences . choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived , which is based on analyzing kalman filter theory 首先介绍了卡尔曼滤波理论及相关技术，建立了系统卡尔曼滤波的状态方程和观测方程；首先采用速度误差作为观测值，详尽的研究了系统机动特性对可观测性和可观测度的影响，并做了大量仿真实验：通过对滤波原理的分析研究了影响的原因；分别选用加速度计输出误差和转台输出姿态角误差作为外部观测值，推导建立它们的观测模型，并通过仿真证明了分析结论的正确性。
Finally , by means of comparing the theoretical tooth surface equation with the tooth surface equation included errors of cutter position and cutter position angle , the quantitative analysis of the theoretical tooth shape and the tooth shape considering the errors of cutter position and cutter position angle was curried out based on the software above . from which , the effect of errors of cutter position as well as cutter position angle on the processed tooth shape and transmitting behavior of this kind of gearing was studied 最后，通过比较双圆弧弧齿锥齿轮齿面理论方程与加入刀位及刀位角误差后的齿面方程，应用上述软件和通过进一步的数值计算，进行了无误差的理论齿形与加入刀位及刀位角误差后所得到的实际齿形之间的定量分析，比较直观、方便、准确地对刀位及刀位角误差对双圆弧弧齿锥齿轮的齿形以及传动的影响进行了初步研究。
Thirdly , the paper builds parameter arithmetic model based on the middle line . we get the middle line from two interpolations , and give the compute course of the main parameters . in this way , we can avoid the phase error and thread side error what the single probe system cannot escape 第三，建立了基于中径线的参数算法模型，利用二次插补拟合中径线，并在此基础上给出了各主要参数的计算过程，从而解决了基于理论齿型的算法因滤波失真和牙型角误差而带来的数据处理误差问题。
Its main contributions include the following several aspects : firstly , the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry . orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method , and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there . by analyzing the definite factors influencing orientation precision , the dissertation develops the concept of orientation dilution of precision , which uncovers the internal cause of exotic error behavior of bi - satellite orientation , and has important guiding significance for practical engineering applications 本文系统地研究了基于“北斗一号”卫星载波相位干涉测量原理实现地球静止双星定向的相关技术,主要研究成果包括以下几方面:首先,建立了利用两颗地球静止轨道卫星进行短基线定向的数学模型,分析了载波相位干涉测量的适用条件;采用传统的线性化解析法及蒙特卡洛随机模拟法两种途径对双星定向的精度进行了详细分析,数学仿真结果表明在高纬度地区线性化解析法由于俯仰角误差分析精度略有下降而不太适合;在分析定向精度确定性影响因素的基础上,提出了双星定向精度衰减因子odop的概念,揭示了双星定向误差特殊表现的内部机理,对实际工程应用具有重要的指导意义。
This method took the robot actual poses and corresponding joint errors as inputs and outputs of a feed - forward neural network respectively , so as to achieve the real - time joint errors in arbitrary pose through the neural network , and pose accuracy was improved only through correcting the joints angles 这种标定方法把机器人实际位姿和相应的关节角误差分别作为前馈神经网络的输入和输出来训练网络，从而获得机器人任意位姿时的关节角误差值，通过修改关节值来提高机器人的位姿精度。
