搜索结果: 1-15 共查到“理学 Iterative”相关记录68条 . 查询时间(0.071 秒)
Iterative water-filling for Gaussian vector multiple access channels
channel capacity convex optimization Gaussian channels multiuser channels multiple-access channels multipleaccess communications multiple-antenna systems optimization methods power control water-filling
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2015/8/11
We develop an efficient iterative water-filling algorithm to find an optimal transmit spectrum for maximum sum capacity in a Gaussian multiple access channel with vector inputs and a vector output. Th...
ESTABLISHING STRONG CONTROL OF FAMILYWISE ERROR RATE FOR ITERATIVE STEP-DOWN TESTS
ESTABLISHING STRONG ITERATIVE STEP-DOWN TESTS
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2015/3/18
A long-standing problem concerning the iterative analysis of orthogonal
saturated designs has b een resolved. Consider an unreplicated factorial design
yielding indep endent, normally distributed es...
An improved non-iterative surface layer flux scheme for atmospheric stable stratification conditions
Turbulent flux parameterization iterative calculation results the rough state stability condition the relative error
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2014/12/18
Parameterization of turbulent fluxes under stably stratified conditions has always been a challenge. Current surface fluxes calculation schemes either need iterations or suffer low accuracy. In this p...
Variational Iterative Algorithms in Photoacoustic Tomography with Variable Sound Speed
Variational Iterative Algorithms Photoacoustic Tomography
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2014/9/26
In this paper, we investigate the adjoint equation in photoacoustic tomography with
variable sound speed, and propose three variational iterative algorithms. The basic
idea of these algorithms is to...
Strong Convergence of a New Three Step Iterative Scheme in Banach Spaces
Fixed Point Various Iterative Schemes Rate of Convergence
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2013/1/30
In this paper, we suggest a new type of three step iterative scheme called the CR iterative scheme and study the strong convergence of this iterative scheme for a certain class of quasi-contractive op...
Iterative Solution of Maxwell's Equations for an Induction Motor
Iterative Solution of Maxwell's Equations Induction Motor General Physics
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2012/4/19
In this work we use classical electromagnetism to analyse a three-phase induction motor. We first cast the motor as a boundary value problem involving two phenomenological time-constants. These are de...
Approaching Capacity at High-Rates with Iterative Hard-Decision Decoding
Approaching Capacity High-Rates Iterative Hard-Decision Decoding
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2012/2/29
A variety of low-density parity-check (LDPC) ensembles have now been observed to approach capacity with message-passing decoding. However, all of them use soft (i.e., non-binary) messages and a poster...
Convergence of the Iterative Rational Krylov Algorithm
Iterative Rational Krylov Algorithm Numerical Analysis
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2011/9/21
Abstract: The Iterative Rational Krylov Algorithm (IRKA) of [8] is an interpolatory model reduction approach to the optimal $\mathcal{H}_2$ approximation problem. Even though the method has been illus...
An iterative feature selection method for GRNs inference by exploring topological properties
SFS SFFS feature selection reverse-engineering gene networks inference systems biology bioinformatics
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2011/10/9
Abstract: An important problem in bioinformatics is the inference of gene regulatory networks (GRN) from temporal expression profiles. In general, the main limitations faced by GRN inference methods i...
Iterative Differential Embedding Problems in positive Characteristic
Differential Embedding Problems positive Characteristic Algebraic Geometry Group Theory
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2011/9/1
Abstract: In this paper, we prove that every iterative differential embedding problem over an algebraic function field in positive characteristic with an algebraically closed field of constants has a ...
Iterative method for calculation of polar component of gibbs solvation energy under condition of smooth change of solution dielectric permeability
electrostatics solvation energy smoothed dielectric permeability
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2011/8/3
Abstract: On basis of previous developed iterative method for calculation of polar component of Gibbs solvation energy, under condition of smooth change of dielectric permeability both between substra...
Fourier transform based iterative method for x-ray differential phase-contrast computed tomography
X-ray phase-contrast tomography, x-ray refractive index, iterative reconstruction,interior tomography
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2011/9/6
Biological soft tissues encountered in clinical and pre-clinical imaging mainly consist of light element atoms, and their composition is nearly uniform with little density variation. Thus,x-ray attenu...
An Iterative, Dynamically Stabilized(IDS) Method of Data Unfolding
Dynamically Stabilized(IDS) The regularization function
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2011/9/2
We describe an iterative unfolding method for experimental data, making use of a regularization function. The use of this function allows one to build an
improved normalization procedure for Monte Ca...
On the Stationary Distribution of Iterative Imputations
Multiple imputation Markov chain Monte Carlo
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2011/1/21
Iterative imputation, in which variables are imputed one at a time each given a model predicting from all the others, is a popular technique that can be convenient and exible, as it replaces a potenti...
An Iterative Construction of Irreducible Polynomials Reducible Modulo Every Prime
Iterative Construction Irreducible Polynomials Reducible Modulo Every Prime
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2011/1/21
We give a method of constructing polynomials of arbitrarily large degree irreducible over a global field F but reducible modulo every finite prime of F.The method consists of finding quadratic f ∈ F[x...