Geometric Meaning of the Formula Used in a Closed Connection Traverse for Computing Closing Error of Azimuth 附合导线方位角闭合差计算公式的几何意义
Discussed a means to deal with dimensional chain computing with symmetry error in two way: computing analysis and geometry analysis. 从计算和几何分析两条途径,讨论尺寸链计算中对称度误差的处理方法,为类似计算提供参考意见。
Remote computing system consistency error 远程计算系统的一致性误差
Error feedback control is designed to decrease computing error and insure the convergence of this algorithm. 将数值解对约束的不满足作为反馈,给出误差反馈控制方法,来减小数值积分带来的误差,保证算法收敛。
A Practical Algorithm for Computing Cylindricity Error in the Rectangular Coordinates 直角坐标系下计算圆柱度误差的一种实用算法
A Means to Deal with Dimensional Chain Computing with Symmetry Error 尺寸链计算中对称度误差的处理方法
Clay's saturation computing method and error analysis 土的饱和度Sr的计算方法及误差原因分析
A Theoretic Method on Computing Mismatch Error of the Measure Result Obtained Under the Solar Simulator With Spectrum Mismatch 太阳模拟器中的光谱失配误差的研究
The paper establishes counting model of its, which makes spacial programme turn into plane programme. The method reduces computing error and increases calculating veracity, improves precision of processing screw. 它使空间编程问题归结到平面上,减少模型造成的计算误差,提高了刀位点计算准确性,大大改善螺杆数控加工的精度;
Study on Computing Error of Transient Temperature Field Based on Finite Difference Method 基于有限差分法的瞬态温度场计算误差研究
In this paper we briefly introduce some basic concepts of quantum computing which include quantum entanglement, quantum bit, quantum register, quantum parallel computing and quantum error correction. 本文简要地介绍量子计算的一些基本概念:量子纠缠、量子位、量子寄存器、量子并行计算和量子纠错。
And this dissertation has improved the existing approach of computing approximating error. 在曲线离散过程中改进了现有的逼近误差确定方法。
The formulas of computing local filter error variances and cross-covariance are given, which are applied to compute optimal weighting coefficients. 给出了计算局部滤波器误差方差和互协方差的公式,它们可被用于计算最优加权系数。
Study on the methods for computing error function erf x 误差函数计算方法的研究
Through adjusting weight, computing error rate and modifying the parameters of hidden nodes, optimal results will be achieved in the learning procedure. 学习过程通过调整权值、计算误差、修正隐层单元的参数,以达到最优结果。
Although the tread irregularities depth computing result error is a little big due to the sampling frequency is too low. We believe that the tread irregularities depth computing result will improve with enhancing the frequency of the sampling. 擦伤精度虽由于采样频率太低的原因而误差稍大,但趋势明显,相信只要提高频率,擦伤深度的测量精度会改善。
At the same time, analyse computing error of the results of structural analysis of Mega-Frame structure simulating construction process and revise them. 对模拟施工过程加载计算方法的误差进行分析并提出修正方法。
The presented GA-BP algorithm uses BP neural networks to generate GA-BP model. By computing error gradient and checking it with given error, local minimum position is identified. 利用BP神经网络建立套料钻性能预测模型,通过比较实际误差梯度值与给定误差梯度值,来确定BP网络是否处于局部极小状态;
In addition, this paper presents an approach, by computing relative error, for determining the signal-to-noise ratio parameter in the traditional Wiener filter, which is used in the first step of the modified method. 另外,本文对传统维纳滤波方法中的参数选择问题提出一种通过计算相对误差来确定该参数的实用算法,用在第一次滤波步骤中;
The tropical cycle track simulation shows that this method can decrease computing error and would have a broad prospect for operational practice. 通过台风路径预报对比试验表明:该方法能有效地减少计算误差的引入,具有较好的应用价值。
Tested values of mechanical error, physical error, graduation factor and quantizing error were input into compensation module, then made the two-position seeking north computing and error compensation of rotate angle. 将陀螺和加速度计的机械误差、物理量误差、标度因数及量化误差等测量值输入补偿模块,进行二位置寻北解算和转角误差补偿。
The quaternions recurrence formula with norm conservation in the strapdown guidance system is derived, and the error transfer in the formula is analyzed. It is shown that the computing error in the quaternions vector increases in proportion to the number of recursion. 推导了捷联式制导系统中四元数的保持范数不变的递推计算公式,并对公式的误差传递进行分析,证明其计算误差随迭代次数线性增长。
The computing error of turbulent flow shear rate is less than that of energy dissipation. PERCOLATING RULE OF THE NON NEWTONIAN POWER LAW FLUID IN THE HORIZONTAL WELL OF FRACTAL RESERVOIRS 参照牛顿流体能量耗散率的计算方法,提出了幂律流体管内湍流能量耗散率的近似算法。分形油藏中水平井的非牛顿幂律流渗流规律
Discussion of computing straightness error by way of smallest field method 用最小区域法求直线度误差的探讨
A DNA Computing Method for Error Permutation Problems 错排问题的DNA计算方法
Aiming at the bigger computing error caused by the computing method depending on centres of gravity, an improved method is put forward. 并针对重心法计算容量误差大的弊病,提出了一种改进的计算方法。
When measurement errors reach 0.2 ℃, the computing error of stator windings is only 1.82% 当测量误差达到0.2℃时,绕组平均温度的计算误差仅为1.82%。
The accuracy of the method is verified by the simulation and analysis done on three-point method, which compared the advantages and disadvantages of time domain, frequency domain solutions. The result come out that the computing error has no relation with the solving process. 通过平面三点法仿真分析,验证了其精确性,并对比了时域与频域解法的结果,说明计算偏差与解法无关。
With the knots vector changed in limited range, the curve and surface can change a little. This approach simplifies curves and surfaces by sampling points, interpolating curves and surfaces, computing error and moving control points to reduce error. 算法利用在一定范围内摄动调整节点矢量对曲线曲面形状影响不大这一特性,以确定采样点、计算初始逼近曲线曲面、计算逼近误差、修正误差四个步骤完成曲线曲面的简化操作。
BP neural network is adopt three-layer structure, including input layer, hidden layer and output layer. A lot of characters are trained according to the standard BP neural network steps including activate computing, error calculation, connection weights adjustment and threshold adjustment. 采用三层结构,包括输入层、隐含层、输出层。根据标准的BP神经网络激活运算、误差计算、连接权调整、阈值调整等步骤,来训练大量字符。