搜索结果: 1-15 共查到“Hankel”相关记录25条 . 查询时间(0.062 秒)
基于Hankel矩阵分解的天波超视距雷达机动目标检测算法
天波超视距雷达 Hankel矩阵分解 机动目标检测
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2018/5/21
机动目标检测是天波超视距雷达的研究重点之一。目前已有的算法在高信噪比条件时对单个机动目标的检测效果较好，但在低信噪比时对多个机动目标的检测性能有待提高。该文提出一种基于Hankel矩阵分解的机动目标检测算法，该算法将机动目标信号构造为Hankel矩阵的形式，通过矩阵分解将信号时频估计转化为线性主成分分析的凸优化问题，从而实现匀速与机动目标的分离以及多个目标的同时估计。仿真结果证明了该算法具有估计精...
Log-det heuristic for matrix rank minimization with applications to Hankel and Euclidean distance matrices
Positive semi-definite matrix convex sets functions half positive definite matrix distance data
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2015/8/11
We present a heuristic for minimizing the rank of a positive semidefinite matrix over a convex set. We use the logarithm of the determinant as a smooth approximation for rank, and locally minimize thi...
Log-Det Heuristic for Matrix Rank Minimization with Applications to Hankel and Euclidean Distance Matrices
Log-Det Heuristic Matrix Rank Minimization Applications Hankel Euclidean Distance Matrices
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2015/7/10
We present a heuristic for minimizing the rank of a positive semidefinite matrix over a convex set. We use the logarithm of the determinant as a smooth approximation for rank, and locally minimize thi...
广义有限 Hankel 变换及其在分形生物组织中的应用
分形空间 生物传热 广义有限Hankel变换
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2014/5/6
本研究成果将分形维数引入分形介质，讨论分数维空间的反常扩散方程的初边值问题，为求解上述定解问题，我们利用正交基理论建立了分形空间有限 Hankel 变换及反演变换理论，新的积分变换为求解具有分形维数的柱坐标及球坐标下的各类初边值问题提供了新的解析工具。此外借助分形理论建立了分形空间人体组织热传导方程，应用所得到的积分变换公式研究了分形生物组织传热方程及其解，得到了许多有意义的结论。
Relatively Prime Polynomials and Nonsingular Hankel Matrices over Finite Fields
Relatively Prime Polynomials Nonsingular Hankel Matrices
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2010/11/12
The probability for two monic polynomials of a positive degree n with coefficients in the finite field F_q to be relatively prime turns out to be identical with the probability for an n x n Hankel ma...
Vandermonde factorizations of a regular Hankel matrix and their application on the computation of Bézier curves
Vandermonde factorizations regular Hankel matrix Bézier curves
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2010/11/17
In this paper, a new method to compute a B\'ezier curve of degree n = 2m-1 is introduced, here formulated as a set of points whose coordinates are calculated from two Hankel forms in $\C^m$. From Van...
Hankel operators on Fock spaces
Hankel operators Fock spaces
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2010/11/17
Hankel operators with anti-holomorphic symbols are studied for a large class of weighted Fock spaces on $\cn$. The weights defining these Hilbert spaces are radial and subject to a mild smoothness con...
Continuity of Pseudo-Differential Operator $h_{\mu,a}$ Involving Hankel Translation and Hankel Convolution on Some Gevrey Spaces
Hankel transformation Hankel translation Hankel convolu-tion Pseudo-differential operator
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2010/12/9
The Pseudo-Differential Operator (p.d.o.) hμ,a associated with the Bessel Operator involving the symbol a(x, y) whose derivatives satisfy certain growth conditions depending on some increasing sequenc...
A commutator method for the diagonalization of Hankel operators
Hankel operators spectrum and eigenfunctions explicit solutions
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2010/12/1
We present a method for the explicit diagonalization of some Han-kel operators. This method allows us to recover classical results on the diag-onalization of Hankel operators with the absolutely conti...
A q-analogue of Catalan Hankel determinants
Catalan numbers determinants Dyck paths orthogonal polynomials continued fractions
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2010/12/3
In this article we shall survey the various methods of evaluating Hankel determinants and
as an illustration we evaluate some Hankel determinants of a q-analogue of Catalan numbers.
Here we consider...
加权Bergman空间上小Hankel算子的Schatten类
Schatten理想 小Hankel算子 加权Bergman空间 积分变换
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2009/10/21
讨论了 C\+n 中有界对称域的加权Bergman空间上符号属于 L\+2\-a(Ω, dV\-λ) 的小Hankel算子, 利用符号 Φ 的某种积分变换,给出了小Hankel算子 h\-Φ 属于Schatten理想 S\-p 的特征.
线性矩阵方程的Hankel矩阵解
矩阵方程 Moore-Penrose广义逆 Kronecker积 向量函数 Hankel矩阵
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2012/11/20
在矩阵的向量函数和矩阵的Kronecker积的基础上定义了矩阵的部分向量函数,利用Moore-Penrose的有关知识给出了矩阵方程的Hankel矩阵解的结构和性质.
Spectral norm of random large dimensional noncentral Toeplitz and Hankel matrices
Spectral norm random variable Toeplitz Hankel matrices
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2009/3/23
Suppose sn is the spectral norm of either the Toeplitz or the Hankel matrix whose entries come from an i.i.d. sequence of random variables with positive mean μ and finite fourth moment. We show that n...
An efficient algorithm for computing zero-order Hankel transforms
Finite Hankel transform Bessel functions
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2010/9/14
Postnicov [22], in 2003, proposed an algorithm to compute the Hankel transforms of order zero and one by using Haar wavelets. But the proposed method faced problems in the evaluation of zero order Han...