Results 21 to 30 of about 43,009 (276)

Method for national mapping spatial extent of southern beech forest using temporal spectral signatures

International Journal of Applied Earth Observation and Geoinformation, 2021
Characterisation of native forests is essential for sustainable forest management and for maintenance of ecological and socio-economical functions. In New Zealand, knowledge of forest composition and extent informs predator control measures to protect native bird life, particularly in forests dominated by Southern beeches (Nothofagaceae).
Jan Schindler, John R. Dymond, Susan K. Wiser, James D. Shepherd   +3 more
openaire   +2 more sources

Solution of the inverse spectral problem for differential operators on a finite interval with complex weights [PDF]

Известия Саратовского университета. Новая серия: Математика. Механика. Информатика
Non-self-adjoint second-order ordinary differential operators on a finite interval with complex weights are studied. Properties of spectral characteristics are established, and the inverse problem of recovering operators from their spectral ...
Yurko, Vjacheslav Anatol'evich
doaj   +1 more source

Enhancement of Latent Fingerprints on Fabric Using the Cyanoacrylate Fuming Method Followed by Infrared Spectral Mapping [PDF]

Journal of Forensic Sciences, 2016
AbstractA method has been developed for the visualization of latent fingerprints on fabrics, which is based upon cyanoacrylate (superglue) fuming followed by imaging using an infrared microscope. Results show that imaging on smooth, shiny fabrics such as polyester, silk, nylon, and acetate of different colors and patterns can give an improvement over ...
Sonnex, Emily, Almond, Matthew J., Bond, John W.   +2 more
openaire   +2 more sources

Linear stability analysis of wake vortices by a spectral method using mapped Legendre functions

Journal of Fluid Mechanics, 2023
A spectral method using associated Legendre functions with algebraic mapping is developed for a linear stability analysis of wake vortices. These functions serve as Galerkin basis functions, capturing correct analyticity and boundary conditions for vortices in an unbounded domain.
Sangjoon Lee, Philip S. Marcus
openaire   +6 more sources

Machine learning on the electron–boson mechanism in superconductors

New Journal of Physics, 2020
To unravel pairing mechanism of a superconductor from limited, indirect experimental data is always a difficult task. It is common but sometimes dubious to explain by a theoretical model with some tuning parameters.
Wan-Ju Li, Ming-Chien Hsu, Shin-Ming Huang   +2 more
doaj   +1 more source

Object-Based Image Analysis (OBIA) and Machine Learning (ML) Applied to Tropical Forest Mapping Using Sentinel-2

Canadian Journal of Remote Sensing, 2023
The purpose of this research was to distinguish and estimate natural forest areas at Paraná, Brazil. Forest plantations (Silviculture) and natural forests have high annual vegetative vigor, as well as agricultural areas in the periods of agricultural ...
Clovis Cechim Junior, Hideo Araki, Rodrigo de Campos Macedo   +2 more
doaj   +1 more source

MHD Powell–Eyring nanofluid motion with convective surface condition and Dufour–Soret impact past a vertical plate: Lie group analysis

Partial Differential Equations in Applied Mathematics, 2022
The formerly neglected impact of the convective surface condition and the Soret–Dufour effect on a Powell–Eyring fluid over a vertical plate is brought to light in the present study.
Hammed A. Ogunseye, Sulyman O. Salawu, Shina D. Oloniiju, Mojeed T. Akolade, Yusuf O. Tijani, Ridwan Mustapha, Precious Sibanda   +6 more
doaj   +1 more source

Spectral Generalized Multi-Dimensional Scaling [PDF]

, 2013
Multidimensional scaling (MDS) is a family of methods that embed a given set of points into a simple, usually flat, domain. The points are assumed to be sampled from some metric space, and the mapping attempts to preserve the distances between each pair ...
Aflalo, Yonathan, Dubrovina, Anastasia, Kimmel, Ron   +2 more
core   +1 more source

A Spectral Unmixing Method with Ensemble Estimation of Endmembers: Application to Flood Mapping in the Caprivi Floodplain [PDF]

Remote Sensing, 2017
The Caprivi basin in Namibia has been affected by severe flooding in recent years resulting in deaths, displacements and destruction of infrastructure. The negative consequences of these floods have emphasized the need for timely, accurate and objective information about the extent and location of affected areas. Due to the high temporal variability of
Tsitsi Bangira, Silvia Alfieri, Massimo Menenti, Adriaan Van Niekerk, Zoltán Vekerdy   +4 more
openaire   +5 more sources

Singularities and growth of higher order discrete equations [PDF]

Open Communications in Nonlinear Mathematical Physics
We study the link between the degree growth of integrable birational mappings of order higher than two and their singularity structures. The higher order mappings we use in this study are all obtained by coupling mappings that are integrable through ...
Ralph Willox, Takafumi Mase, Alfred Ramani, Basil Grammaticos   +3 more
doaj   +1 more source