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- The local truncation error,stable conditions and positivity condition,for all these difference schemes areeasily given. 简便地给出了全部差分格式的局部截断误差,稳定性条件和正性条件。
- Also, based on the relation of local truncation error and related coefficients, a problem of restricted optimization for minimum is gotten, and a new real-time RK4 formula is deduced finally. 然后,根据局部截断误差与相关系数的关系,将其化为一个约束求极小值问题,并最终导出了一个新的实时RK4公式。
- local truncation error 局部舍位误差
- Local Truncation Errors 局部截断误差
- It retains all of the advantage of(3-50a)and(3-50b)except for a somewhat increased truncation error. 除了略微增加截断误差外,它保持式(3-50a)和(3-50b)的所有优点。
- The minimum distance method is used to match SVD feature extraction and the truncation error method is for PCA. 针对奇异值分解的特征提取采用的是最小距离分类法,针对主成分分析的特征提取采用的是截断误差分类法。
- Block-Iterative Method of Solving the Nonhydrostatic Pressure in Terrain-Following Coordinates: Two-Level Pressure and Truncation Error Analysis. 在地形坐标中求解非流体静力平衡气压的块迭代方法:两层气压和截断误差分析。
- The spectrum characteristics of the phase truncation error and amplitude quantization error are analyzed by the method of Fourier series. 文章最后还简单介绍了几种改善杂散误差的方法。
- Abstract: Truncation error occurs in process life cycle assessment (PLCA), which makes underestimation of assessment results. 摘 要: 常规过程式生命周期评估方法在计算中会截断误差,导致评估结果被低估。
- Finally, based on square grid we analyze the truncation error of various iterative forms of Laplace equation which are determined by various partition patterns. 最后在正方形网格剖分情形下 ,以拉普拉斯方程为例 ,分析了各剖分方式所确定的迭代格式的截断误差
- The truncation error in calculating the harmonic loss is analysed and a method is offered to determine how many times harmonics must be calculated at least. 文中还对谐波损耗计算的截断误差进行了理论分析,确定了谐波损耗所需计算的最少谐波次数。
- Considering this problem,a method of direct constructing disjoint paths is adopted,at the same time network simplification technology and truncation error theory is combined. 针对这一问题,采用直接构造不交化通路集的方法,结合网络简化技术和截断误差理论,提出了一种快速确定大型通风网络可靠度的算法。
- When considered the far field test, the sample plane cannot do infinitely great, the paper has analyzed the truncation error, and proposed the error correction method. 考虑到远场测试时,取样平面不可能做的无限大,在对误差进行分析的基础上,给出了误差修正方法。
- The software synchronism sampling method based on real-time parameter self-optimizing minishes period truncation error, and the measurement accuracy is improved. 基于实时参数自寻优的软件同步采样,有效地减小了周期截断误差,提高了测量准确度;
- SADI method and a spline method of fractional steps in each coordinate direction as well as truncation errors and its stability are briefly reviewed. 简要评述了SADI方法和样条方法在每一坐标方向的分步计算方法、截断误差和稳定性。
- In the alternating-direction implicit method (ADIM) and the generalized Douglas(GD)scheme, the time-domain beam propagation equation is discretized with a truncation error two orders lower than that of conventional finite-difference scheme. 采用交替隐式法(ADIM)和综合道格拉斯(GD)法,离散化时域束传输方程,获得比普通差分格式低二阶的误差。
- The comparison between analytical solution and uncorrected solution shows that uncorrected truncation errors can not be ignored. 通过解析解与没有修正的差分解进行对比,结果表明,没有修正的截断误差是不能忽略的。
- SADI method and a spline method of fractional steps in each coordinate direction as well as truncation errors and... 给出了处理混合边界条件的一般公式。最后简要讨论了样条近似引起的数值弥散和耗散。
- This paper introduces the theory of the phase-locked loop (PLL) and the direct digital synthesis (DDS) , a method to improve the precision of DDS and reduce its phase truncation error is also given. 介绍了锁相环(PLL)技术和直接数字式频率合成(DDS)技术的基本工作原理,给出了一种提高DDS输出频率精度及减小其相位截断误差的方法。
- According to mirror image principle. a simple and practical formula for numerical match and a dependence for estimating truncation error of summing up infinity terms are proposed out. 文章根据镜像原理,提出了简单实用的数值拟合公式与求无穷和项截断误差估计关系式。