该模型可以按给定精度要求逼近测头中心轨迹曲面。
The model could approximate to the trace surface by given accuracy.
介绍了一种操作更方便的、通用性更好的挂轮选择程序,它可以迅速地选择给定精度下的所有组合。
A kind of selective procedure of change gear which is operated more conveniently is presented. It has a better generality. It can quickly selects all compositions whose accuracy are given.
结果表明:对于给定条件,选用PCG2法或SIP法(如果求解参数组合选取恰当)求解可得到满足精度的结果;
The results indicated that the solution may be accurate by using PCG2 method or SIP method for a given condition(if the combination of solution parameters is chosen properly).
对于给定的工作方式,系统的定位精度取决于两个因素即定位系统的数学模型和相应的解算方法。
For a given working way, the location precision of the system is decided by two factors, i. e. the mathematical model of the location system and its corresponding solving algorithms.
调整补偿运动规律,再进行动态误差分析,直至满足精度要求,从而真正“精确”地实现给定函数。
The the dynamic error is analysed again by adjusting the law of compensation movement until the requirement of accuracy is met, thus the given function is really "accurately" realized.
运用双重鲍尔点附近的两段曲线来逼近给定的两段直线,其逼近精度为3阶。
Using two curves around the double Ball point to approach two given lines with 3 order precision is realized, which solves the problem of double straight line synthesis.
通过对一个给定的数值积分公式进行加速、改进,得到了两类新的精度更高的数值积分公式。
Two new kinds of higher accurate numerical integration formulae is obtained by acceleration and improvement of the given formula.
而对于给定的问题,计算精度与求解时间、占用内存的多少始终是无法克服的矛盾。
For a given problem, the computational precision and the required CPU time, the required memory is always a contradiction.
理论分析和实际计算发现,利用本文提出的修正次优子集回归法对给定的任意精度都可求出最佳逼近结果。
Theoretical and practical computation show that the optimal approximation results can be obtained using the suboptimal subset regression algorithm proposed by the paper for any given precision.
根据给定的精度指标设计合理的精度分配方案,精度设计的结果满足纳米三坐标测量机的测量精度要求。
The reasonable error distributing design are done according to the given accuracy target and the result of accuracy design can meet the required measuring accuracy of the Nano-CMM.
设计了一个复杂的速度模型验证了TVWI方法的有效性,结果表明,在给定不同速度初值的情况下,反演结果都具有较高的精度。
A complex velocity model was designed to verify the validity of TVWI method, and the result shows that for the different given initial velocity, all the inversion has relatively high accuracy.
进而以给定的APS星敏感器参数为基础,研究了计算窗口、曝光时间等精度影响因素的选择方法;
Then choice of the calculation window and the exposure time influencing the dynamic accuracy is analyzed based on given APS star sensor parameters.
分析表明,经校正后,对于给定的精度,对系统的要求可大为降低。
The analysis shows that after the correction, for the specified accuracy, the requirements to the system are reduced significantly.
数字式同步发送器可根据给定的数字量,发出高精度的同步器信号,因此常应用于先进的检测设备中。
The digital synchronizer transmitter can produce high precision synchronizer signal according to the given digital quantity, so it is often used in the advanced testing equipment.
对于给定算例,计算出的自振频率与三维分析的结果吻合良好,说明所推导的二维解具有足够精度。
The vibration frequencies given by the solutions are in good agreement with the results of three dimensional analysis.
通过试验验证,结果表明该方法具有学习速度快、计算精度高等特点,将其应用于确定航空发动机的给定转速是行之有效的。
Through experiment, the result shows that the method has the advantage of faster learning rate, higher calculating precision, that it can be used to make certain of aero-engine theoretic speed.
提升机速度给定采用PLC控制软件生成S形速度曲线实现,可提高调速性能和精度。
The given hoist speed could be realized by S-shape speed curve which produced by PLC control software to increase speed regulation capability and precision.
针对高精度机械伺服系统,提出一种高性能的新型自适应滑模控制方法,使闭环系统渐近跟踪给定的参考模型。
This paper presents a novel high-performance adaptive sliding mode control scheme for high precision mechanical servo systems to asymptotically track a specified reference model.
提出了零相位跟踪控制算法,使控制系统对给定非国特殊曲线具有很高的跟踪精度,从而保证了非圆轴类表面磨削加工精度。
An adaptive zero-phase tracking control algorithm is developed, and with which the servo system is able to track accurately a given non-circular high order special curves.
容易看到基准电压给定值对ADC绝对精度的影响。
It is easy to see how the voltage reference's specified value affects the ADC's absolute accuracy.
与传统的计算方法相比,该算法不仅具有收敛速度快,而且计算精度可控以及初始点随机给定集中优点。
Comparing with conventional arithmetic, the arithmetic in this paper has the excellence including fast convergence speed, alterable precision, and random initial value.
与传统的计算方法相比,该算法不仅具有收敛速度快,而且计算精度可控以及初始点随机给定集中优点。
Comparing with conventional arithmetic, the arithmetic in this paper has the excellence including fast convergence speed, alterable precision, and random initial value.
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