加权函数
- 与 加权函数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Secondly, by analyzing the criterion function, we use two weighted generalized least absolute deviation criterions to estimate generalized linear models.
其次,通过对准则函数的分析,我们提出使用两种加权的广义最小一乘估计来估计广义线性模型。
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With this method, the controller of the PWM DC/DC converter is designed. Utilizing augmented matrix to build a tracking control model with no steady error, and through select weighted matrix to perform the no overshoot and dynamic response of system.
通过引入增广矩阵,增加了控制量U*中对误差的积分环节,推导了无静差跟踪控制系统模型;在目标函数的构成参量和形式确定之后,通过选取适当的加权矩阵,实现系统的无超调动态响应。
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Based on the characteristic of multi-resolution analysis of wavelet transform, pitch detection algorithm with the combination of wavelet transform and weighted autocorrelation function is proposed here.
3基于小波变换的多分辨率分析特性,提出了小波变换与加权自相关函数相结合的基音检测算法。
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Using the concept of the of weighted residual method and choosing the fifth B-spline as a trial function to meet the needs of boundary conditions,the mechanical problem of large deflection of a rectangular thin plate is discussed.
采用加权残值法探讨大挠度力学问题时,用5次B样条作为未知函数的试函数,使其直接满足边界条件,这种方法与传统的有限元法相比,具有未知量少,自由度少,连续性强,边界条件容易满足等优点
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This dissertation firstly introduces the principles of four kinds of simple gridding methods, which are"Linear interpolation based on triangulation","Inverse distance weighted and averaged method","Modified Shepard's method"and"Multiquardirc method". Secondly, it researches the Ordinary Kriging method for geophysical irregular data, which mainly includes the base knowledge of region change and variogram and the principle of Ordinary Kriging method. Thirdly, it researches the Inverse Interpolation for geophysical irregular data, which mainly includes the principle of inverse interpolation and its iterative algorithm, and the principle of Inverse Interpolation to realize the gridding of geophysical data. Finally, it uses these gridding methods to grid theoretical model data of potential field and raw aeromagnetic data, and compares and analyzes the gridding results.
本文首先简单介绍了地球物理不规则分布数据的四种简单网格化方法(即基于三角网的线性插值法、反距离加权平均法、改进的Shepard方法和多元二次函数法)的方法原理;接着,重点研究了地球物理不规则分布数据网格化的普通克里金法,主要研究了区域变化量、变差函数的基础知识和普通克里金法的方法原理;之后,重点研究了地球物理不规则分布数据网格化的反插值法,主要研究了反插值法的方法原理和迭代求解算法,以及反插值法实现地球物理数据网格化的原理;最后,应用这些方法对理论位场模型和实际航磁数据进行了试验、对比和分析。
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Analysis implies that when a different weighting matrix is used in the R-WSF method, the criterion function of the R-WSF method is asymptotically equivalent to that of the determinate maximum likelihood estimator and the classical WSF method, respectively.
理论分析表明,当加权矩阵取不同的值时,R-WSF方法的代价函数可以分别渐近地等效于确定性最大似然法和常规WSF方法的代价函数。
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Secondly, point out that meshless method is different from finite element method in handling boundary condition and numerical integral because the approximation function of meshless method is not inserted function, it have itself special methods. Deduces meshless Galerkin essential equation of parabolic partial differential equation with the method ofweighted residuals------Galerkin. Furthermore, discusses the main factors which may effectthe calculation precision and give some suggestion with which can get the best result.
其次,由于无网格法的近似函数不是插值函数,所以无网格Galerkin法在处理边界条件和对区域积分时是不同于有限元的,它有其独特的处理方法,从加权残量法——Galerkin出发,推导出抛物型偏微分方程无网格Galerkin法的基本方程,并对影响无网格Galerkin法的主要因素进行探讨,给出了取得最佳效果的相应建议。
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Moreover, relations between some matrix weighted partial orderings are investigated, and weighted partial orderings of matrices and orderings of their functions are also compared.
此外,我们还讨论了几种矩阵加权偏序之间的关系,并结合本文提出的矩阵函数研究了矩阵偏序与其函数偏序之间的关联。
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Then, a method to generate adaptive UWB shaping pulse was proposed based on weight combination of prolate spheroidal wave functions matching UWB multiple sub-band spectral mask.
然后,利用PSWFs函数的特性,提出了一种基于多频带的PSWFs函数基的加权线性组合来设计UWB自适应脉冲波形的算法。
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On the basis of engine idiocratic mathematical model, using the origin underway accelerate time and the oil consumption at the cycle of multi-working conditions as the objective functions of the power performance and the economy performance respectively, and then transform it to a single objective function by using the linear adding.
在建立发动机特性数学模型的基础上,以原地起步连续换档加速时间和多工况循环使用油耗作为衡量动力性和燃油经济的2个分目标,采用线性加权组合的方法将其转换成单一目标函数,建立了汽车动力传动系优化数学模型,利用惩罚函数法对此模型进行了优化,实例计算表明,应用该方法对汽车动力传动系进行优化匹配分析时,整车综合性能均有显著改善。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。