通过分析惯性测量组件的误差模型和旋转式捷联系统误差传播方程,解释了旋转误差补偿的机理。
By analyzing the error model of Inertial Measurement Unit (IMU) and the navigation error propagating function, the mechanism of error rotating compensation method was illustrated.
计算结果表明:旋转误差使三光束法循迹信号的幅值近似呈周期性变化,它是在生产过程中需要严格控制的参数以保证循迹信号的幅值最大化;
The rotation angle approximately periodically changes the sub-beam signal amplitude and should be strictly controlled in the assembly to maximize the tracking signal amplitude.
本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发,分析了产生本振频率跟踪误差的主要因素。
The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.
本文亦简要分析了旋转机械平衡机床的基本原理以及在平衡过程中可能导致较大误差的因素。
Finally, the fundamental principles of the conventional balancing machines are given and causes of grave error which may be produced during balancing process are analysed.
本文用数论方法推导出一个计算旋转体体积的近似公式,并给出该近似公式的误差估计。
An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.
摘要:简述了旋转机械对中的意义和测量方法,指出了百分表对中法的主要误差因素及其控制方法。
Abstract: This paper specifies the meaningfulness and measurement method of rotating machinery alignment and points out the main deviation factors of dial indicator alignment and its control method.
针对捷联惯导系统姿态算法分析了一种旋转矢量误差估计模型,并从该模型出发,推导了几种高精度的捷联姿态算法。
An error estimate model of rotation vector was analyzed for the strapdown attitude algorithms. Based on this model, some kinds of high_accuracy strapdown attitude algorithms were deduced.
在大型堆取料机安装过程中,旋转机构安装误差控制及其调整是一个十分重要的环节。
In the installation process of huge stacker reclaimer the error control and adjustment of the installation of revolving gear is an important link.
在这种框架中,利用李群来表示旋转空间,然后基于贝叶斯估计结构,计算了利用李群的表示的最小均方误差估计性能界限。
Upon this frame, use matrix Lie group to express the rotation space, then base on Bayesian estimation framework, calculate the minimum mean squared error bounds which use the matrix Lie groups.
本文在旋转圆盘电极数据处理中,为避免增大计算误差,采用了新的计算方法。
A new calculation method was used in order to avoid increasing calculation error in the data processing of the rotating disc electrode.
在设计方向滤波器时,对滤波器的旋转引入了方—圆变换的方法,进而减少了计算的复杂度,同时避免引入误差。
While designing orientation filter, we introduced the square-circle transform to rotate filter, thus we reduced computing complexity and avoided imported errors.
在捷联惯导数字迭代算法中,姿态算法有效处理了导航坐标系旋转的影响,利用位置矩阵求解位置的方法很容易地解决了涡卷误差的补偿问题。
The rotation effect of navigation coordinate is well compensated in SINS attitude algorithms. Scrolling error compensation can directly be used in the position matrix update algorithms.
因此,同时利用角速率及角增量信号,优化设计出一类新的旋转矢量姿态算法,给出了算法的圆锥误差表达式,并进行了仿真分析。
In this paper, the improved attitude algorithms are developed using both angular rate and incremental angular signals, and the coning errors of the algorithms are given.
简述了旋转机械对中的意义和测量方法,指出了百分表对中法的主要误差因素及其控制方法。
This paper specifies the meaningfulness and measurement method of rotating machinery alignment and points out the main deviation factors of dial indicator alignment and its control method.
该系统利用旋转台带动芯块进行回转、通过光栅传感器测量端面圆跳动误差的方法,实现了核燃料芯块垂直度的自动检测。
Using the grating displacement transducer for measuring end circular run-out error during the pellet rotation course droved by a rotation stage, the system realized the pellet automatic detection.
提出了一种新的基于坐标旋转的凸包算法,并将其运用在对圆度误差的最小外接圆评定算法中,减小计算量。
The author proposed a new rotating coordinates convex hull algorithm, and using it in assessing roundness to reduce the computation.
为了解决这个问题 ,作者分析了车削 (镗削 )加工台阶孔时 ,误差产生的原因 ;并设计了车削该台阶孔的专用机床 :工件的旋转作为主运动 ,两把车刀从两端进给运动 ,分别车削两段台阶孔。
To solve this problem, The author analyzes the reasons why the errors are generated in turning (boring) and designs the special machine, in which the rotation of part is main moveme.
本文介绍了作者所没计的基准旋转法求直线度误差的计算机实用程序。
In the paper, the computer utility program of calculating straightness error by the standard rotation method is introduced by the designer.
通过检测A相一个周期的同一边沿,可精确判断其旋转方向,给出了无误差测量的实现方法。
Through detecting the same edge in one period of Phase a to judge its direction of rotation precisely, a method for error-free measurement has been given.
提出误差推导的一种新方法,利用向量旋转及坐标系变换理论推导出误差公式。
Deducing error equation that used vector rotating and transfer of axes theory, Measuring out measurement parameter error on different orthogonality by testing optical-electrical device.
在接收机处,确定所接收的数据流的相位旋转以去除残留频率误差或者估算相位噪声。
At a receiver, a phase rotation of the received data stream is determined to remove a residual frequency error or to estimate the phase noise.
用拟合误差设置量子旋转门的调整策略,缩小解空间取值范围。
The fitting error was introduced to design the adjust step of quantum rotation door, thus solution space was narrowed.
详细分析了旋转视差法深度定位中的误差来源,并提出校正的方法。本文技术可以达到很高的定位精度。
Than the source of error in depth locating is analyzed in detail and the solution is provided. The high location precision can be obtained using these techniques.
SLIM相对旋转异步电机(RIM)存在气隙大、边缘效应等,若采用RIM开路和短路试验方法,会给参数测量带来较大误差。
The SLIM parameters have clear errors to the real values on the base of the RIM parameter measurement method because there are larger air gap and edge effect.
以旋转抛物面为例对空间曲面的五轴加工进行分析和数学推导,并对其进行误差分析和数据处理。
The paraboloid of revolution is taken as an example to progress the study, derivation, error analysis and data processing of the five axes machining for space curved surface.
本文就此进行了讨论,对有弧长约束的空间曲线及有面积约束的旋转曲面问题,分别给出了相应的算法及误差估计。
In this paper, this constraint is discussed. For the space curve with length constraint and the surface of revolution area constraint, algorithms and estimation of the error are given.
喂皮口有旋转的尼龙辊将皮卷入,利于卷翘的皮压平后测量。误差更小。
Have nylon roller at the feeding side, can roll the leather in to machine.
应用三维摄像测量系统分析人体上肢运动时,由于实验噪声的影响,按一般旋转矩阵计算方法得到的数据会产生较大的误差。
Spin matrixes used in ordinary methods to analyze the motion of the human upper-limb based on 3-d camera measurement system, the results are not satisfactory due to the effects of noise.
在此基础上,提出了基于起偏器方位角的系统误差标定方法和旋转线性偏振器消除系统误差的在线校正方法。
One is referenced on the polarizer's azimuth and the other is a two-zone online correction method based on polarizer rotation.
本文提出的三点式误差分离新方法用以分离旋转轴线的径向误差运动与测量介质或测量对象的形状误差。
A new 3-point error separation method is developed and used in this paper for separating the radial errors of rotating axis and the shape errors of the objects measured.
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