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matrix fitting
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  矩阵拟合
     A Novel Genetic Approach to DOA Estimation of Coherent Sources Based on Weighted Spatial Smoothing and Toeplitz Matrix Fitting
     一种新的相干信源DOA估计算法:加权空间平滑协方差矩阵的Toeplitz矩阵拟合
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  “matrix fitting”译为未确定词的双语例句
     We establish a simulative compressor characteristic curve library by means of modulus matrix fitting.
     采用系数矩阵拟合法模拟建立了压缩机特性曲线库;
短句来源
     An algorithm for the unbalanced compensating matrix fitting is presented in this paper,based on the concept of unbalanced compensations which make the multivariable system approximately normalized and more robust.
     根据非平衡补偿可使多变量系统近似正规化,从而提高系统鲁棒性的概念[1],提出一种拟合非平衡补偿阵的算法,并用True-Basic语言实现
短句来源
     Based on the fact that the optimal weight matrix in[1]is a function matrix of source directions and the array covariance matrix after optimal WSS is Toeplitz,a new cost function is constructed. The bearing estimates can then be achieved by virtue of a genetic algorithm based Toeplitz matrix fitting.
     由于文献 [1]中导出的最优权矩阵是空间信源方位的函数矩阵 ,本文利用最优加权空间平滑后阵列协方差矩阵的Toeplitz性 ,构造了一个全新的优化拟合的代价函数 ,并基于此提出了一种相干源方位估计的新算法 .
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  相似匹配句对
     Covariance Propagation in R-Matrix Model Fitting
     R矩阵模型拟合中的协方差传递(英文)
短句来源
     THE BRANCH MATRIX ALGORITHM FOR MICROCOMPUTER FITTING OF MOSSBAUER SPECTRUM
     穆斯堡尔谱微机拟合的分块矩阵方法
短句来源
     Matrix Polymerization
     聚合新技术—模板(MatriX)聚合(Ⅰ)
短句来源
     Matrix metalloproteinases
     基质金属蛋白酶(英文)
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     Arc Fitting
     圆弧拟合
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  matrix fitting
A difference scheme is proposed that realizes the method of matrix fitting [4].
      
Matrix fitting in the finite-element method applied to building mechanics
      
Alternative measures of fit for the Sch?nemann-carroll matrix fitting algorithm
      


An algorithm for the unbalanced compensating matrix fitting is presented in this paper,based on the concept of unbalanced compensations which make the multivariable system approximately normalized and more robust.

根据非平衡补偿可使多变量系统近似正规化,从而提高系统鲁棒性的概念[1],提出一种拟合非平衡补偿阵的算法,并用True-Basic语言实现

The optimal weighted spatial smoothing(WSS)technique proposed in[1]is capable of de correlating the coherent sources perfectly,with the equivalent sources covariance matrix diagonal.Based on the fact that the optimal weight matrix in[1]is a function matrix of source directions and the array covariance matrix after optimal WSS is Toeplitz,a new cost function is constructed.The bearing estimates can then be achieved by virtue of a genetic algorithm based Toeplitz matrix fitting.Compared with[1],the proposed...

The optimal weighted spatial smoothing(WSS)technique proposed in[1]is capable of de correlating the coherent sources perfectly,with the equivalent sources covariance matrix diagonal.Based on the fact that the optimal weight matrix in[1]is a function matrix of source directions and the array covariance matrix after optimal WSS is Toeplitz,a new cost function is constructed.The bearing estimates can then be achieved by virtue of a genetic algorithm based Toeplitz matrix fitting.Compared with[1],the proposed algorithm can be realized without the a priori knowledge about source directions and de noising preprocessing.The Monte Carlo simulation results demonstrate that the new algorithm is highly superior to the conventional SS(spatial smoothing)technique in the resolving ability for spatially closed coherent sources,especially in the case of small array size.Besides,the comparison of new methods with maximum likelihood methods is also presented.

文献 [1]提出的最优加权空间平滑技术可以使相干源存在时的信源协方差矩阵恢复为对角阵 .由于文献 [1]中导出的最优权矩阵是空间信源方位的函数矩阵 ,本文利用最优加权空间平滑后阵列协方差矩阵的Toeplitz性 ,构造了一个全新的优化拟合的代价函数 ,并基于此提出了一种相干源方位估计的新算法 .与文献 [1]不同 ,算法的实现不需要方位估计的先验知识和协方差矩阵的去噪预处理 .分辨性能的蒙特卡罗仿真实验表明 ,新算法对空间相干信源的分辨性能优于常规的空间平滑算法和最大似然算法 ,在小阵列和信源空间间隔较近时 ,算法的优越性尤为突出 .

To abstract linear optics of storage ring,response matrix fitting technique was developed as an advanced diagnostic tool of storage ring.The Matlab-based LOCO(Linear Optics of Closed Orbit) was a representative of response matrix fitting codes.Recently,in order to get accurate lattice model of storage ring,LOCO was applied to Hefei light source.In this paper,firstly the principle of response matrix fitting was briefly reviewed and the numerical simulation of application of LOCO to HLS storage...

To abstract linear optics of storage ring,response matrix fitting technique was developed as an advanced diagnostic tool of storage ring.The Matlab-based LOCO(Linear Optics of Closed Orbit) was a representative of response matrix fitting codes.Recently,in order to get accurate lattice model of storage ring,LOCO was applied to Hefei light source.In this paper,firstly the principle of response matrix fitting was briefly reviewed and the numerical simulation of application of LOCO to HLS storage ring and the simulation results were introduced.Through numerical simulation,the effect of BPM noise level on accuracy of fitting results was demonstrated.Finally,experimental results made at Hefei light source to calibrate focusing strength of quadrupoles and edge focusing strength of dipoles by LOCO were described.Some measures were taken to reduce systematic errors,and the fitting results agreed well with the magnetic measurement results of the backup quadrupole and dipole.Based on the fitting results,a lattice model of HLS storage ring was established and it could describe real storage ring more accurately.

描述了利用轨道响应矩阵拟合技术标定合肥光源储存环聚焦模型的过程及实验结果。通过响应矩阵分析,得到了合肥光源储存环弯铁边缘聚焦强度约为0.1 mrad/A,场积分为0.62~0.63,考虑了四极铁聚焦强度的修正系数的影响,发现了原四极铁磁测数据中较大的系统偏差,分析结果和备用磁铁的磁场测量数据吻合良好。在此基础上建立的合肥光源储存环理论模型可以准确地描述实际储存环线性光学特性。

 
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