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moments method相关的网络例句

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An electromagnetic numerical analysis, set finite difference method, finite element method and the method of moments as one basis for teaching materials.

详细说明:一本的电磁数值分析方面的,集有限差分法,有限元法和矩量法为一体的基础教材。

Under given boundary conditions and using the moments method, the dispersion relations were obtained.

在此基础上,建立耦合腔分区模型、采用场匹配方法建立色散方程,并数值计算得出不同等离子体密度及磁场下的耦合腔色散曲线。

Aimed at low-SNR infrared images,the principle,invariant property and computational methods of Pseudo-Zernike moments are analyzed,and a method for low-SNR infrared target detection based on Pseudo-Zernike moments is proposed.

针对低信噪比红外目标图像,分析了伪Zernike矩的基本原理、不变性和计算方法,提出了低信噪比红外目标检测的伪Zernike矩方法,并比较了模板匹配、Hu矩、伪Zernike矩方法的目标检测效果。

Owing to the drawbacks of analytical shimming, this paper puts forward the concept of passive numerical shimming for searching a method of compensating Bz'easily to a high level and with a low cost. Based on the magnetic field caused by a magnetic moment, the distribution of moments in a superconducting NMR imaging megnet can be determined through some pseudoinversion algorithm directly from Bz'. The moments are used to compensate Bz'.

无源数值匀场的出发点直接是不均匀磁场的磁场偏差B〓本身;无源数值匀场的基础为磁性材料的磁矩所产生的磁场;由已知B〓,通过某种逆运算,确定磁性材料的磁矩在主磁体中的分布,实施此分布,以磁性材料的磁矩所产生的磁场直接对B〓进行补偿——这便是本文提出的无源数值匀场的概念。

The method of moments approach to estimation implies imposing the population moment restrictions on the sample moments.

矩方法是将总体的矩限制应用于样本中。

However, in doing so, some new problems will arise which we will overcome by introducing a new variant of the method of moments. We give a short outline of the thesis. In Chapter 1, we are going to introduce the method of moments.

以下是我们的论文概述,在第一章,我们将会介绍method of moments,并且也会介绍优先树和关於这资料结构近几年的结果。

One of the goals of the thesis is to simplify the proofs of some recent results on priority trees by using the method of moments combined with asymptotic transfers.

然而,在使用这个方法的过程中,我们会遇到一些困难,此时,我们将会介绍一个新的method of moments 来解决这些问题。

This paper presents a new method to estimate unknown projections. To achieve better results, we make use of the discrete Radon transform and a set of discrete orthogonal Tchebichef polynomials to establish relationship between the projection moments and the image moments, and then estimate the unknown projections from the known projections using this relationship.

提出一种新的投影数据估计算法,利用离散Radon变换和Tchebichef正交多项式建立图像矩和投影矩之间的关系,并用这种关系从已知投影数据中估计未知投影数据,达到提高重建图像质量的目的。

Aimed at low-SNR infrared images, this paper analyzed principle and computational method of Zernike moments, proved rotation invariant property, proposed a method for low-SNR infrared target detection based on Zernike moments,and compared target recognition effect among template matching, Hu moments and Zernike moments via experiment.

由于低信噪比红外图像本身所具有的目标特征很不明显、背景特征比较强等特点,模板匹配识别方法、Hu不变矩等并不适用于低信噪比红外目标检测。

In this paper, an adaptive algorithm for singular points detection is proposed, which is based on the behavior of Gaussian-Hermite moments. In order to detect singular point accurately, the distribution of Gaussian-Hermite moments of different orders of the fingerprint image in multiple scales is used. A PCA-based method is used to analyze the distribution of Gaussian-Hermite of fingerprint image.

介绍了一种基于Gaussian-Hermite矩分布属性的自适应指纹奇异点定位方法,为了准确地确定奇异点,用到了指纹图像在多种尺度下的不同阶Gaussian-Hermite矩分布,并用一种基于主分量分析(principal component analysis,简称PCA)的方法分析指纹图像的Gaussian-Hermite矩分布。

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