搜索结果: 1-15 共查到“理学 transformations”相关记录98条 . 查询时间(0.078 秒)
Archaic equation helps scientists control CO2 transformations
方程 CO2 转化 大气
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2023/5/17
To manage atmospheric carbon dioxide and convert the gas into a useful product, Cornell scientists have dusted off an archaic – now 120 years old – electrochemical equation. The group aims to thwart t...
EXAMINATION OF SPECTRAL TRANSFORMATIONS ON SPECTRAL MIXTURE ANALYSIS
Spectral Transformation Spectral Mixture Analysis NSMA BWVI Between-class Variance Within-class Variance Total-class Variance
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2018/5/11
While many spectral transformation techniques have been applied on spectral mixture analysis (SMA), few study examined their necessity and applicability. This paper focused on exploring the difference...
SAMPLE PATH PROPERIES OF RANDOM TRANSFORMATIONS
TRANSFORMATIONS SAMPLE PATH PROPERIES
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2015/9/29
In other words where is the boundary between truly random and
almost deterministic behavior? I believe that very little randomness
is needed. For example consider the following model. Let f1 : : : f...
A GEOMETRIC VIEW OF RATIONAL LANDEN TRANSFORMATIONS
GEOMETRIC VIEW LANDEN TRANSFORMATIONS
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2015/8/26
In this paper, a geometric interpretation is provided of a new rational Landen transformation. The convergence of its iterates is also established.
EXTENDED BAUM TRANSFORMATIONS FOR GENERAL FUNCTIONS, II
Multidimensional Multivariate Gaussuan Mixture Extended Baum-Welch transformations discriminative training estimation of statistical parameters maximum mutual informaiton estimation
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2015/7/30
The discrimination technique for estimating the parameters of Gaussian mixtures that is based on the Extended Baum transformations (EB) has had significant impact on the speech recognition community. ...
Species and δ15N Signatures of Nitrogen Transformations in the Suboxic Zone of the Black Sea
Species and δ15N Signatures Nitrogen Transformations Suboxic Zone of the Black Sea
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2015/7/27
Nitrogen is an essential nutrient for living systems in the ocean; it is a component of proteins, chlorophyll, and nucleic acids. In the oceans, nitrogen exists as a dissolved gas (N2), dissolved orga...
MICROBE-MINERAL RELATIONSHIPS AND BIOGENIC MINERAL TRANSFORMATIONS IN ACTIVELY VENTING DEEP-SEA HYDROTHERMAL SULFIDE CHIMNEYS
microbiology mineralogy geomicrobiology geochemistry iron reducers hypethermophiles
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2015/1/28
This dissertation uses a combination of microbiology, mineralogy, and geochemistry to understand dissimilatory iron reduction in hyperthermophilic archaea and the role and potential impact of these an...
Feedback and Optimal Sensitivity: Model Reference Transformations, Multiplicative Seminorms, and Approximate Inverses
Feedback and Optimal Sensitivity Model Reference Transformations Multiplicative Seminorms Approximate Inverses
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2014/8/13
In this paper, the problem of sensitivity reduction by feed-back is formulated as an optimization problem and separated from the problem of stabilization. Stable feedback schemes obtainable from a giv...
Feedback and Optimal Sensitivity: Model Reference Transformations, Multiplicative Seminorms, and Approximate Inverses
Feedback and Optimal Sensitivity Model Reference Transformations Multiplicative Seminorms Approximate Inverses
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2014/7/2
In this paper, the problem of sensitivity reduction by feedback is formulated as an optimization problem and separated from the problem of stabilization. Stable feedback schemes obtainable from ag ive...
Linear Transformations & the Multivariate Generating Function
Linear Transformations the Multivariate Generating Function
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2012/11/23
This note examines linear combinations of multi-indexed sequences and derives the multivariate generating function of such a linear combination in terms of the original sequence's m.g.f. Applications ...
Integral and series transformations via Ramanujan's identities and Salem's type equivalences to the Riemann hypothesis
Mellin transform Riemann zeta-function Kontorovich-Lebedev transform modified Bessel functions Lambert transform
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2012/6/21
We consider integral and series transformations, which are associated with Ramanujan's identities, involving various arithmetic functions and a ratio of products of Riemann's zeta functions of differe...
Canonical (and non-canonical) Transformations: A Differential Approach
Canonical (and non-canonical) Transformations Differential Approach Accelerator Physics
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2012/5/31
The traditional method of teaching canonical transformations involves the introduction of generating functions of various types. This method obscures the underlying structure of the Hamiltonian least-...
Self-similar transformations of lattice-Ising models at critical temperatures
Self-similar transformations lattice-Ising models critical temperatures General Physics
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2012/5/29
We classify geometric blocks that serve as spin carriers into simple blocks and compound blocks by their topologic connectivity, define their fractal dimensions and describe the relevant transformatio...
Reducing scattering problems under cone potentials to normal form by global canonical transformations
scattering problems cone normal form global canonical transformations Exactly Solvable and Integrable Systems
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2012/4/26
We introduce a class of Hamiltonian scattering systems which can be reduced to the "normal form" $\dot P=0$, $\dot Q=P$, by means of a global canonical transformation $ (P,Q)=A(p,q), p,q\in R^n$, defi...
Quadro-quadric cremona transformations in low dimensions via the JC-correspondence
Quadro-quadric cremona transformations low dimensions JC-correspondence Algebraic Geometry
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2012/4/18
We apply the results of arXiv:1109.3573 to study quadro-quadric Cremona transformations in low-dimensional projective spaces. In particular we describe new very simple families of such birational maps...