Results 61 to 70 of about 613,587 (145)

Control algorithms for aerobraking in the Martian atmosphere [PDF]

The Analytic Predictor Corrector (APC) and Energy Controller (EC) atmospheric guidance concepts were adapted to control an interplanetary vehicle aerobraking in the Martian atmosphere.
Shipley, Buford W., Jr., Ward, Donald T.
core   +1 more source

Refined Aircraft Positioning Based on Stochastic Hybrid Estimation with Adaptive Square-Root Unscented Particle Filtering

Aerospace
The positioning of civil aviation aircraft relative to a geographic reference point on Earth in a Cartesian frame is significant to detect the deviations from the desired path, especially for high-altitude airports or special airports based on ...
Yangyang Zhang, Zhenxing Gao, Kai Qi, Jiawei Li   +3 more
doaj   +1 more source

A Novel Ultra-High Voltage Direct Current Line Fault Diagnosis Method Based on Principal Component Analysis and Kernel Density Estimation

Sensors
As renewable energy resources are increasingly deployed on a large scale in remote areas, their share within the power grid continues to expand, rendering direct current (DC) transmission essential to the stability and efficiency of power systems ...
Haojie Zhang, Qingwu Gong
doaj   +1 more source

Comments on “A selective overview of nonparametric methods in financial econometrics†[PDF]

In recent years there has been increased interest in using nonparametric methods to deal with various aspects of financial data. The paper by Fan overviews some nonparametric techniques that have been used in the financial econometric literature ...
Jun Yu, Peter C. B. Phillips
core   +1 more source

Mottness induced phase decoherence suggests Bose-Einstein condensation in overdoped cuprate high-temperature superconductors

, 2019
Recent observations of diminishing superfluid phase stiffness in overdoped cuprate high-temperature superconductors challenges the conventional picture of superconductivity.
Ku, Wei, Lang, Zi-Jian, Yang, Fan
core  

Pattern Transitions in Unstable Viscous Convective Medium

, 2013
Convection in a thin layer of liquid (gas) with temperature dependent viscosity between poorly heat conducting boundaries is studied within framework of the Proctor-Sivashinsky model.
Gushchin, I. V., Kirichok, A. V., Kuklin, V. M.   +2 more
core  

First spectroscopic studies in the plasma-beam installation

AIP Advances
This paper presents the results of spectroscopic measurements of plasma in a linear simulator of a plasma-beam installation (PBI) for conducting materials science research.
B. Chektybayev, S. Zhunisbek, Ye Kashikbayev, A. Duisen, I. Sokolov, T. Tulenbergenov   +5 more
doaj   +1 more source

Spatial Distribution and Influencing Factors of Leisure Agriculture Resources in Southern Jiangsu Region Based on Multi-Source Data

Land
Leisure agriculture has become an essential driver of rural revitalization in China, yet most existing studies focus on provincial or municipal levels and rely on single-method approaches, leaving a gap in understanding spatial distribution patterns and ...
Zhaoyi Wang, Zhihan Tao, Tao Wu
doaj   +1 more source

Modelling International Bond Markets with Affine Term Structure Models [PDF]

This paper investigates the performance of international affine term structure models (ATSMs) that are driven by a mutual set of global state variables.
Georg Mosburger, Paul Schneider
core  

Maximum Likelihood and Gaussian Estimation of Continuous Time Models in Finance [PDF]

This paper overviews maximum likelihood and Gaussian methods of estimating continuous time models used in finance. Since the exact likelihood can be constructed only in special cases, much attention has been devoted to the development of methods designed
Jun Yu, Peter C. B. Phillips
core   +1 more source