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firstly, we use the radon-ambiguity transform to get the linear kernel function, which can remove the cross terms of multi-lfm signals and some part of noise in the ambiguity domain. then we use the two-dimensional fourier transform to get the new time frequency representation.

首先由Radon-Ambiguity变换设计出线状核函数,以去除噪声和多线性调频信号之间的交叉项在模糊域中的影响,再通过二维傅立叶变换得到一种新的时频表示。

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Linear transformation technology for image feature dimension reduction

图像特征维数约减的线性变换技术

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Through investigation on application of the model, the multi and one dimension equivalent mechanical models, the equivalent modal mechanical that and the linear mechanical that of the multi and tall story structures subjected to earthquake or wind were obtained, respectively.

通过等效力学模型的应用研究,得出了多高层结构在风与地震作用下的多维与一维等效力学模型、等效振型力学模型及其线性力学模型。

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In this paper, we analyzed some property for the single restrict integer linear programming ( Knapsack problem), Cut the invalided variable and simplify the problem. Designed a new algorithm& reduce dimension and Recursive algorithm.

本文对单约束线性整数规划(ILP,背包问题)的特性进行了分析,通过剪去无效变量对问题进行简化并设计了问题的一种新算法&降维递归算法,全文共分四章。

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The relationship between the Brix and the total soluble sugar content of sweet sorghum stalk juice was determined through one-dimensional linear regression.

本文应用一元线性回归分析法得出了甜高粱茎秆汁液锤度和可溶性总糖含量之间的关系。

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There are considerable interests in linear chain clusters because of the polynuclear metal-metal bonding, structures, potential applications as molecular wires and low-dimensional materials with unusual properties.

摘要长链线性配合物具有特有的结构、成键和性质,在分子器件和特殊性能低维材料等方面展示出潜在的应用前景。

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according to equivalent principle of quality and moment of inertia, a method of static calibration for multi-dimensional angular accelerometer is proposed. the method is based on static and dynamic calibration principle for linear accelerometer.

在线加速度传感器静动态标定方法的基础上,根据质量&转动惯量等效原理,提出多维角加速度传感器的静态标定方法。

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The numerical simulation of drawing process for car's taillight pedestal is studied by using the three-dimensional sheet metal forming analysis and non-linear explicit algorithm software Dynaform.

采用基于动力显示算法的板料成形非线性有限元分析软件Dynaform对某轿车后灯座的拉深成形过程进行了数值模拟仿真。

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With this parallel algorithm, the phase separation of a linear ABC triblock copolymer is studied in three-dimensional space.

应用这种并行算法,我们对线型ABC三嵌段共聚物的微相分离进行了研究,给出了四个具有代表性的一维相图。

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Then the one-dimensional linear prediction equation of vertical incident wave, under horizontally layered condition, is generalized to oblique incident case. Using the equation as a reference, the generalized spectral factorization equation of seismic inverse scattering for reflection dataset in a lateral inhomogeneous medium is deduced.

本文先将水平层状介质条件下垂直入射的一维线性预测方程推广到斜入射的情况,以此为参照,导出横向非均匀介质条件下反射数据的地震逆散射广义谱分解方程。

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Some of face recognition methods based on Principal Component Analysis ( PCA), Two-dimensional Principal Component Analysis ( 2DPCA) and Fisher's Linear Discriminant Analysis ( FLDA) are comparatively studied in this paper.

对基于主元分析(PCA)、二维主元分析(2DPCA)和Fisher线性判别分析(FLDA)的人脸识别方法进行了比较研究。

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To verify three-dimensional numerical scheme, calculated lift coefficients for impulsively started problem of wings with different aspect ratio are compared with linear theory.

哈尔滨工程大学博士学位论文应用三维数值模型模拟不同展弦比机翼的突然起动问题,将计算升力系数与线性理论比较,检验算法的可行性。

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The visual management system on three-dimensional elastic FEM and two-dimensional non-linear FEM is compiled.

开发钢筋混凝土特种结构配筋设计可视化管理系统。

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Analysis of Linear and Nonlinear Intersymbol Interference in Two-Dimensional Digital Communication Systems

二维数字通信系统中线性和非线性符号间干扰的分析

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Linear discriminant analysis is applied to reduce data dimension and extract gait features.

提出了基于线性判别分析的步态特征压缩和提取方法。

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On the applicability of linear overstress model in one-dimensional plastic waves analysis

线性超应力模型在一维塑性波中的适用性

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In this paper malvern's linear overstress model and Wood's scheme of characteristics are used to obtain the solution to one-dimensional incremental plastic wave. Theoretical calculations are more widely compared with Bell's experimental data and better agreement between them is obtained.

本文采用Malvern的线性超应力模型和Wood等人的特征线处理方法得到加载区一维塑性波的数值解并与Bell的实验进行了较为广泛的比较。

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