助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   art算法 的翻译结果: 查询用时:0.018秒
图标索引 在分类学科中查询
所有学科
地质学
水利水电工程
互联网技术
更多类别查询

图标索引 历史查询
 

art算法
相关语句
  art algorithm
     Research of Fast Image Reconstruction on ART Algorithm
     ART算法快速图像重建研究
短句来源
     Tikhonov regularization principle is introduced to overcome the instability problem of image reconstruction and ART algorithm is used to improve the image quality of the original reconstructed image.
     组合型算法中引入Tikhonov正则化方法是为克服图像重建过程中的不适定问题,而ART算法则是对初始图像进行迭代改善,以获得质量较高的重建图像。
短句来源
     The use of Tikhonov regularization theory was to solve the ill-posed problem of image reconstruction and the use of ART algorithm was to improve the quality of the final reconstructed image.
     Tikhonov正则化原理用于克服图像重建过程中的不适定问题,ART算法用于提高最终重建图像的质量。
短句来源
     DESIGN AND IMPLEMENTATION OF A PARALLEL ART ALGORITHM ON DAWNING 1
     并行ART算法在曙光一号上的设计与实现
短句来源
     Image reconstruction from incomplete projections is an ill-posedness inverse problem which traditional FBP or ART algorithm can not solve.
     在投影数量极少的情况下实现CT图像重建,是一不完全问题,传统FBP、ART算法一般无法解决此类问题。
短句来源
更多       
  “art算法”译为未确定词的双语例句
     Research of image reconstruction from incomplete projection data on ART
     不完全投影数据图像重建的ART算法研究
短句来源
     Experimental results show that compared with the original Fuzzy ART neural network,this algorithm has better clustering performance and the average improvement is about 3%~5% in the aeroplane target recognition.
     实验结果表明,和原始模糊ART算法相比,新算法具有更好的分类识别性能,在飞机目标识别中平均识别率比原始算法提高3%~5%.
短句来源
     ART ALGRITHM AND ITS APPLICATIONS IN GEOPHYSICAL INVERSION
     ART算法及其在地球物理反演中的应用
短句来源
     Research and Comparison on Several Reconstruction Models of ART
     ART算法几种重建模型的研究和比较
短句来源
     The paper illustrates the principle of sound wave computer tomography and three inverse algorithms and explains the characteristics of ART,CGLS and LSQR with a typical case of the cement injection quality detection.
     以灌浆质量检测为实例,简述了声波成像原理和三种反演算法,说明了ART算法、CGLS算法和LSQR算法的特点。
短句来源
更多       
  相似匹配句对
     The algorithm is an extension of the two-valued cover-most algorithm proposed by M. C.
     该算法是M. C.
短句来源
     The learning algorithms of ART 2 network are detailed;
     详细介绍了ART-2网络的算法
短句来源
     Research of Fast Image Reconstruction on ART Algorithm
     ART算法快速图像重建研究
短句来源
     The algorithm presented in this paper employs Y.
     算法采用Y.
短句来源
查询“art算法”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  art algorithm
This algorithm is an improved ART algorithm taking account of bending ray paths.
      
Inverted results show that the IART algorithm has better accuracy and efficiency than the conventional ART algorithm.
      
The goal herein is to present a state-of-the art algorithm for subspace-based system identification.
      
Our empirical evaluation demonstrates that we outperform the state-of-the-art algorithm, often by an order of magnitude.
      
On the convergence of the discrete ART algorithm for the reconstruction of digital pictures from their projections
      
更多          


Algebraic Reconstruction Techniques (ART) is an important approach from a large family of the series expansion reconstruction algorithms. The computative efficieney of ART is rather low however, in some situations where the refraction correction, the nonlinear correction or the reconstruction with incomplete projects are needed-ART may be well preferable to the convolution method. In this paper, the basic procedures of ART Algorithm are systematically studied by computer simulation, such as iterative methods,...

Algebraic Reconstruction Techniques (ART) is an important approach from a large family of the series expansion reconstruction algorithms. The computative efficieney of ART is rather low however, in some situations where the refraction correction, the nonlinear correction or the reconstruction with incomplete projects are needed-ART may be well preferable to the convolution method. In this paper, the basic procedures of ART Algorithm are systematically studied by computer simulation, such as iterative methods, iterative steps, choice of weighing factor etc. A discussion about the choice of relaxation parameter has been also proposed. The attempt has been made to improve the reconstruction accuracies and the computer efficiency. As results, an available program is developed and the reconstruction images with this program are shown.

代数重组技术(简称ART)是级数展开算法这一大类中一种重要的方法。ART的计算效率是比较低的,但是,在某些情况下,比如折射修正、非线性修正或不完全投影重组,ART可以优于卷积法。在本文中,对ART算法的基本步骤进行了系统的计算机模拟研究,例如迭代方法、迭代步骤、加权因子的选择等。此外,对弛豫系数的选择进行了讨论,为改进重组精度和计算效率作了一些尝试。最后编制了实用的程序并给出了使用这程序所得到的图象。

ART(Algebraic Reconstruction Technique)is the method developed in recent ten years for the image reconstruction.This method has great ad- vantages of the computer storage saving and fast calculating in solving large sparse and‘creating’linear systems.ART algrithm has been used in geophy- sical inversion and attracted many specialists’attention.In this paper this algrithm is introduced in detail on the basis of the physics background.A cross—hole seismic tomographic modelling was calculated by ART method and...

ART(Algebraic Reconstruction Technique)is the method developed in recent ten years for the image reconstruction.This method has great ad- vantages of the computer storage saving and fast calculating in solving large sparse and‘creating’linear systems.ART algrithm has been used in geophy- sical inversion and attracted many specialists’attention.In this paper this algrithm is introduced in detail on the basis of the physics background.A cross—hole seismic tomographic modelling was calculated by ART method and the results are reasonable.Otherwise,the reliability of using ART to solve the singular and ill—condition linear systems was discussed through several examples.The results show that using ART algrithm to solve these systems can get satisfactory results.

ART(Algebraic Reconstructioa Technique)是近十年发展起来的图象重建算法。这种算法在用于解大型稀疏线性方程组及现生成型线性方程组方面具有节省计算机内存和运算速度快等显著优点。目前 ART 算法已开始用于地球物理反演计算中并日益受到重视。本文以物理背景为基础详细地介绍了这种算法。给出了将这种算法用于地球物理勘探中跨孔地震层析法的模型计算结果。另外通过计算实例对该算法用于解奇异及病态方程组的可靠性进行了讨论。计算结果表明,用 ART算法解奇异和病态方程组,可以获得满意的结果。

The precision and resolution of the solution of the ART technique which is used toin verse the velocity structure on the north part of the North-South seismic belt based on the pn travelling time have been discussed in detail, The two main factors involved in the observation date that could effect the above result have been analysed and the ways to overcome these problems have been suggested. The limited criterion of the resolution is 25KM for Pn-waves. The optimum choice of the grid size should be 35-55KM under...

The precision and resolution of the solution of the ART technique which is used toin verse the velocity structure on the north part of the North-South seismic belt based on the pn travelling time have been discussed in detail, The two main factors involved in the observation date that could effect the above result have been analysed and the ways to overcome these problems have been suggested. The limited criterion of the resolution is 25KM for Pn-waves. The optimum choice of the grid size should be 35-55KM under the condition of the resolution and the covariance well -matched, The resolution matrix and covariance matrix corresponding to the solution have been computed, The conclusion given in another paper is directly supported by these results.

本文详细讨论了使用Pn波走时对南北地震带北段上地幔结构成象ART算法的分辨率和解的精度问题。分析了包含在实际资料中影响解精度的两大因素,给出了具体的解决办法。同时指出在该地区使用Pn波的可分辨尺度极限为25km。在分辨与方差合理折衷情况下,最佳网格化分尺寸为35—55km。计算了解的分辨矩阵和解的协方差矩阵,从而证实了文献[1]的结论。这些结果是初次在该区得到的,是令人满意的。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关art算法的内容
在知识搜索中查有关art算法的内容
在数字搜索中查有关art算法的内容
在概念知识元中查有关art算法的内容
在学术趋势中查有关art算法的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社