查询词典 numerical function
- 与 numerical function 相关的网络例句 [注:此内容来源于网络,仅供参考]
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After a power spectrum is constructed, empirical wavelet coefficients are used to detect the jump points in the function to obtain the strong consistent estimator of the position and number of the frequencies. Numerical simulations show this method is reliable.
根据它们的协方差函数可以表示为一个Fourier级数,而其Fourier系数可通过协方差函数的逆变换得到的特性,我们对于零均值的近周期相关序列构造了类似于周期图的函数,并构造其经验小波系数,利用频率处于此函数的尖点的特性,以及此性质在经验小波系数中的反映,来确定频率的个数和位置,所有的估计量都是强相合的,此外,数值模拟的结果表明,我们的方法是有效的。
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Based on the equilibrium equation of an arch element the cubic nonlinear dynamic model with second order is established and the nonlinear differential dynamic system without constant term is obtained through a transfer process of T=U+b. Hence three fixed points and the homoclinic orbits are found. The critical condition of the chaotic vibration of the elastic arch is given by using the method of Melnikov function. The numerical results of the stationary and chaotic motion are given and discussed.
首先利用拱的单元平衡方程建立了拱的二阶三次非线性动力学模型;然后通过变换使方程转化为不含常数项的非线性微分动力系统,并由此得到无扰动系统的3个不动点与同宿轨道;再用Melnikov函数法给出了发生混沌的临界条件;最后给出了该系统出现定常运动和混沌运动的数值结果。
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The paper simply introduced the basic principle of surface nuclear magnetic resonance and computed the numerical integral of nuclear magnetic resonance kernel function which contained double Bessel functions using the method of Gauss quadrature and continued fraction expansion, and then discussed influence of conductivity to nuclear magnetic resonance′s signal.
简要介绍了地面核磁共振找水的正演理论方法,采用高斯求积并结合连分式展开的方法对核磁共振核函数中包含双重贝塞尔函数的积分核进行了数值积分,进而计算出精度较高的核函数值,在此基础之上,讨论了导电性对地面核磁共振信号的影响。
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Based on the summation of numerical solutions of the free water surface seepage flow, a new concept called Regional Identification Function is put forward. It is pointed out that the reason why the initial flow method is unstable is that the RIF is discontinuous. Linearization continuity method for the RIF is suggested and then a revised initial flow method is presented.
在总结现有自由面渗流求解方法的基础上,提出了区域识别函数的新概念,指出区域识别函数不连续是导致初流量法解不稳定的主要原因,并对此函数进行了线性微调,提出了改进初流量法。
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Therefore,the numerical algorithm of normal distribution function in continuous space is improved,so that the difficulty of the discretization of question difficulty and the difficul...
本文对连续的正态分布函数计算方法进行了改进,解决了试题难度的离散化和试题数量为整型值造成的试题难度正态分分配困难问题。
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It is essential to design suitable coordinate system or choose suitable function family for organizing observed data,experimental results,theoretical calculation and numerical simulation.
0引言在科学研究,特别是在实验研究中,选择适当的坐标系来组织资料,或者用适当的函数来表述结果,是极其重要的一个环节。
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A complex thermal optimal mathematical model and a numerical iterative calculation method of multi-parameter function coordinate transformation are developed.
作者创造性地提出了迄今在理论上最为完整的溴化锂吸收式机组热力优化设计计算数学模型以及基于多元函数坐标轮换法的数值迭代计算方法。
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Programming with VB Numerical Analysis of cubic spline interpolation function.
详细说明:用VB程序编写的数值分析三次样条插值函数。
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To regard definite integral inequality as numerical value inequality,and use the monotone of function.
我们应当吸取不同时期因脱离群众而导致的曲折和深
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The calculated results indicate that the choice of the limiter function in TVD scheme has an important influence on the numerical simulation which is carried out on the delta wing flow structure.
计算结果表明: TVD格式中限制器函数的选取对于三角翼绕流结构的计算结果具有较重要的影响。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力