• In this paper, a novel approach of doubly robust adaptive beam formation (RABF) is proposed in order to improve the robustness against finite-sample effects and steering vector errors.

    提出了一种具有双重鲁棒性的自适应波束形成算法,以克服有限采样效应和方向矢量误差引起的波束性能下降。

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  • This paper deals with the incomplete sample estimation of finite population mean in existing of nonrespondent sampling units.

    本文讨论了存在不回答样本单位时,有限总体均值的缺损样本估计。

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  • Firstly, the finite element model (FEM) of the generator is established to obtain sample data set indicating performance parameters of the generator;

    首先建立振动发电机的有限元模型,以获得表征电机性能参数的样本数据集;

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  • The large sample theory of the proposed test is developed and the finite sample properties of the test are studied through simulations.

    检验的大样本理论被给出。我们还通过数值模拟研究了检验方法的有限样本性质。

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  • Taking a marine stacker as model sample, the finite element model for frame construction is established by using ANSYS software and the results are analyzed.

    以某船用巷道堆垛机为模型样本,以ANSYS软件为平台建立框架结构的有限元模型,并求解分析。

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  • The meaning of symbolic regression is that we are searching for a function that closely matches an unknown expression based on a finite set of sample data, in order to analyze and forecast data.

    符号回归的含义是找出一个符号形式的数学公式,以指定的精度拟合相关变量的有限样本,以便于分析和预测。

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  • A numerical simulation was performed to calculate temperature and stress distribution in K9 glass sample irradiated by pulse CO2 laser using finite element method.

    利用有限元法对脉冲CO2激光辐照K 9玻璃样品中的温度和应力分布进行了数值分析。

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  • Based on this point of view, a computer program to calculate the vibration of ship stern structures by using finite element method (FEM) is developed, and a sample problem is worked in this paper.

    本文从这一基本认识出发,利用有限元法编制了船舶尾部结构振动计算程序,并以实船为对象进行了尾部结构振动的计算,取得了较好的效果。

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  • These methods select a finite number of EWMAs of in-sample data with different parameters, then make linear combination of these EWMAs under different criteria, as the predictor of crude oil price.

    该方法使用拟合期内的样本,在不同准则下选取有限个不同参数的EWMA的线性组合,作为油价的预报因子。

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  • A 2-d finite element model of tire-rubber was established to simulate the crack growth of the sample under simple tension, by using the strain energy density parameter.

    建立了二维轮胎橡胶材料的有限元模型,用应变能密度这个参数模拟了试样承受单向拉伸时裂纹的扩展方向。

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  • Numerical computations were carried out for four sample cases of heat and fluid flow using a QUICK and other finite difference schemes.

    本文用QUICK和多种差分方案计算了四个流动与换热问题。

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  • The paper discusses the application of Finite Volume Method with the sample of one-dimensional flat-bottom dam breaking.

    以一维平底溃坝问题为例,讨论了有限体积法的应用。

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  • The paper discusses the application of Finite Volume Method with the sample of one-dimensional flat-bottom dam breaking.

    以一维平底溃坝问题为例,讨论了有限体积法的应用。

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