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And linking the principle of choosing computer visual inspection system hardware, the paper constructs hardware structure of visual inspection system, and develops measure software of thread geometry parameter and applies all above research results to quantificationally measure geometry parameters such as half angle of thread, coning and pitch of conical joint screw thread of graphite electrode, at last educes influencing expressions of the shelter of lead angle to half angle of thread change, it establishes theory base for error amendment.

论述了微小零件尺寸及形状误差的常用测量方法,提出了将视觉检测技术应用到微小零件尺寸及形状误差的测量中,构建了视觉检测系统的硬件结构,开发了相应的测量软件,应用第三章介绍的各种边缘检测方法对传动用滚子链链板进行了边缘检测对比实验,找出适合的边缘检测方法,并应用上述各章的研究结果对传动用滚子链链板节距以及圆形零件的圆度误差进行了测量。

Error compensation is an efficient way to enhance the accuracy of navigation, but error calibration is the precondition of error compensation.

误差补偿是提高捷联惯导系统导航精度的有效途径,而误差标定则是误差补偿的前提。

The technology of error compensation based on Multi-Body system and the design method of cam machining were combined together.

针对精密凸轮加工中存在的精度问题,推导出凸轮磨削中的理想砂轮中心包络线的求解方程,进而将基于多体系统理论的误差补偿技术与凸轮加工设计方法相结合,研究了理想数控指令的生成方法、砂轮轮廓误差的计算方法、精密数控指令和逆变凸轮廓型的求解算法,在此基础上,开发出凸轮精密磨削过程的误差补偿与动态仿真分析软件。

At the same time, ambient temperature changes affect the acceleration of the method There is a certain measurement error, but the error of law stronger, from the basic structure, measuring principle, numerical and other aspects of the process of measuring the inclination and measurement system The structure of error correction for analysis.

同时,由于环境温度变化时对加速度计的影响,该方法存在一定的测量误差,但误差分布规律性较强,因此从基本结构、测量原理、数值计算等方面对倾斜度测量的过程和测量系统结构误差的校正进行分析。

Methods The effects of the reading error and the misalignment of the probes on the accuracy of measuring and all the harmonics of roundness were analyzed; The strategy and the algorithm for optimizing the parameters of the measuring system were proposed; The distribution and propagation patterns of the measured errors for all the harmonics of roundness were studied in detail; A software for correcting the errors caused by the measurement error of the angle positions of the probes and the sensitivity difference between three probes was presented.

分析了测头读数及角位置误差对圆度各次谐波及圆周各点测量精度的影响;提出了三点法测量系统的优化策略与算法;研究了三点法测量误差的分布与传递规律;提出了克服测头定位误差以及3个测头的灵敏度不一致影响的软件校正方法。

Some methods and strategies of gross error detection are introduced. An improved NT-MT method for gross error detection is proposed.

系统介绍了显著误差检测方法和多显著误差检测策略,提出了一种新的显著误差检测方法:改进的NT-MT方法。

Firstly, the residual error of each time step is calculated, and then the adaptation matrix is generated in accordance with the residual error. Through the proposed error index the on-line adaptive tracking of system parameter can be identified.

首先,每一个时间点的残余误差将被算出,而适应性矩阵根据残余误差产生,最后透过推荐的误差指数使得系统参数可以即时的被识别。

The transmission and superposition of the error among the loops are analyzed according to the orders from the inner loop to the outer loop at the point of view of the physics kinematics.

通过这种对误差的定量分析,可以直观的观察各类误差在总误差中所占的比重,为有针对性的设计系统提供了重要的理论依据。

The algorithm for optimizing the parameters of the measuring system were proposed; The distribution and propagation patterns of the measured errors for all the harmonics of roundness were studied in detail; A software for correcting the errors caused by the measurement error of the angle positions of the probes and the sensitivity difference between three probes was presented.

分析了测头读数及角位置误差对圆度各次谐波及圆周各点测量精度的影响;提出了三点法测量系统的优化策略与算法;研究了三点法测量误差的分布与传递规律;提出了克服测头定位误差以及3个测头的灵敏度不一致影响的软件校正方法。

Consequently, location techniques in CDMA are being investigated.This paper first briefly introduces the theories and methods of radiolocation, discusses some new NLOS error mitigation algorithms, then present a novel positioning algorithm.

首先简要介绍了无线定位技术的原理及方法,对CDMA移动定位系统中测量误差对定位精度的影响,尤其是非视距误差的影响及相关误差消除算法进行了讨论,提出了一种简单有效的残差排序筛选定位算法。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。