Results 51 to 60 of about 25,686,348 (370)

Infrared Spectroscopy of Neutral and Cationic Benzonitrile–Methanol Binary Clusters in Supersonic Jets

open access: yesMolecules
The formation of nitrogen-containing organic interstellar molecules is of great importance to reveal chemical processes and the origin of life on Earth.
Xianming Xiong, Yongjun Hu
doaj   +1 more source

Spectral proper orthogonal decomposition and its relationship to dynamic mode decomposition and resolvent analysis [PDF]

open access: yesJournal of Fluid Mechanics, 2017
We consider the frequency domain form of proper orthogonal decomposition (POD), called spectral proper orthogonal decomposition (SPOD). Spectral POD is derived from a space–time POD problem for statistically stationary flows and leads to modes that each ...
A. Towne, O. Schmidt, T. Colonius
semanticscholar   +1 more source

Spectral Analysis Program (SAP) [PDF]

open access: yes, 1973
Program eliminates or reduces time-consuming aspects of computation of power spectrum for high-frequency communication system.
Detchmendy, D. M., Hayden, W. L.
core   +1 more source

Spectral analysis for long-term robotic mapping [PDF]

open access: yes, 2014
This paper presents a new approach to mobile robot mapping in long-term scenarios. So far, the environment models used in mobile robotics have been tailored to capture static scenes and dealt with the environment changes by means of ‘memory decay’. While
Cielniak, Grzegorz   +4 more
core   +1 more source

Characterizing Parental Concerns About Lasting Impacts of Treatment in Children With B‐Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐acute lymphoblastic leukemia (B‐ALL) is the most common pediatric cancer, and while most children in high‐resource settings are cured, therapy carries risks for long‐term toxicities. Understanding parents’ concerns about these late effects is essential to guide anticipatory support and inform evolving therapeutic approaches ...
Kellee N. Parker   +7 more
wiley   +1 more source

Data analysis techniques: Spectral processing [PDF]

open access: yes, 1983
The individual steps in the data processing scheme applied to most radars used for wind sounding are analyzed. This processing method uses spectral analysis and assumes a pulse Doppler radar.
Strauch, R. G.
core   +1 more source

A Polynomial Spectral Calculus for Analysis of DG Spectral Element Methods

open access: yes, 2017
We introduce a polynomial spectral calculus that follows from the summation by parts property of the Legendre-Gauss-Lobatto quadrature. We use the calculus to simplify the analysis of two multidimensional discontinuous Galerkin spectral element ...
A.D. Beck   +18 more
core   +1 more source

Improved Cheeger's Inequality: Analysis of Spectral Partitioning Algorithms through Higher Order Spectral Gap [PDF]

open access: yes, 2013
Let \phi(G) be the minimum conductance of an undirected graph G, and let 0=\lambda_1
Gharan, Shayan Oveis   +4 more
core   +3 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Spectral analysis of ZUC-256

open access: yesIACR Transactions on Symmetric Cryptology, 2020
In this paper we develop a number of generic techniques and algorithms in spectral analysis of large linear approximations for use in cryptanalysis.
Jing Yang   +2 more
doaj   +1 more source

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