Results 51 to 60 of about 65,157 (222)

Control System for the Navigation of the Agricultural Robots: A Review

Journal of Field Robotics, EarlyView.
ABSTRACT Control systems for the navigation of autonomous agricultural robots—particularly those operating in uneven terrain and in the presence of static or dynamic obstacles—have advanced considerably in recent years. As conventional machinery evolves toward increasingly automated systems, the design of reliable navigation controllers has become ...
Edna Carolina Moriones Polanía, Hugo Rafacho Fernandes, Daniel Albiero, Angel Pontin Garcia   +3 more
wiley   +1 more source

Análise espacial e de vizinhança no melhoramento genético de plantas Neighborhood and spatial analysis in plant breeding

Pesquisa Agropecuária Brasileira, 2005
Três formas de análise espacial foram comparadas à análise do modelo linear Gauss-Markov normal em experimentos de Genética, tendo-se suposto os efeitos de progênies como aleatórios: médias móveis nos dados brutos (MM), médias móveis nos dados residuais (
Janaina Ribeiro Costa, Júlio Sílvio de Sousa Bueno Filho, Magno Antônio Patto Ramalho   +2 more
doaj   +1 more source

On the structure of Stanley-Reisner rings associated to cyclic polytopes [PDF]

, 2011
We study the structure of Stanley-Reisner rings associated to cyclic polytopes, using ideas from unprojection theory. Consider the boundary simplicial complex Delta(d,m) of the d-dimensional cyclic polytope with m vertices.
Boehm, Janko, Papadakis, Stavros Argyrios   +1 more
core   +4 more sources

Mapping River Bed Topography in Whitewater Rapids Using Bathymetric LiDAR

River Research and Applications, EarlyView.
ABSTRACT Bathymetric LiDAR captures river topography efficiently for clear and shallow water, but for mountain rivers, whitewater rapids still pose challenges. This study proposes a novel method to enable the extraction of bottom returns specifically in turbulent whitewater sections.
Jan Rhomberg‐Kauert, Theresa Himmelsbach, Florian Pöppl, Lucas Dammert, Martin Pfennigbauer, Gottfried Mandlburger   +5 more
wiley   +1 more source

Black hole mass estimation from X-ray variability measurements in AGN

, 2004
We propose a new method of estimation of the black hole masses in AGN based on the normalized excess variance, sigma_{nxs}^2. We derive a relation between sigma_{nxs}^2, the length of the observation, T, the light curve bin size, Delta t, and the black ...
B. Czerny, Barr, Bian, Churazov, Colina, Czerny, Filippenko, Gierliński, Green, Hayashida, I. E. Papadakis, Kaspi, Kemp, Krolik, Lawrence, Lawrence, Leighly, Lu, M. Nikolajuk, Markowitz, Markowitz, Marziani, McHardy, McHardy, Nagar, Nandra, Nandra, Nowak, Oliva, Onken, Papadakis, Peterson, Pottschmidt, Shemmer, Tremaine, Turner, Uttley, Vaughan, Vaughan, Vaughan, Véron-Cetty, Woo, Ziółkowski   +42 more
core   +1 more source

AGN X-ray variability in the XMM-COSMOS survey [PDF]

, 2013
We took advantage of the observations carried out by XMM in the COSMOS field during 3.5 years, to study the long term variability of a large sample of AGN (638 sources), in a wide range of redshift (0 ...
Bongiorno, A., Brusa, M., Cappelluti, N., Comastri, A., Gilli, R., Hasinger, G., Kartaltepe, J., Lanzuisi, G., Lusso, E., Merloni, A., Nandra, P. K., Ponti, G., Rosario, D., Salvato, M., Sanders, D., Schramm, M., Silverman, J., Steinhardt, C., Trakhtenbrot, B., Trump, J., Vignali, C.   +20 more
core   +2 more sources

Service Evaluation: Increasing Transparency in Decision‐Making and Acknowledging Professional's Feelings When Working With Gender Dysphoria in Children's Mental Health Services

Child &Family Social Work, EarlyView.
ABSTRACT There is a lack of evidence‐based guidelines for supporting young people with gender dysphoria and intellectual disability in the United Kingdom. The NHS is moving towards more care being provided by non‐specialist gender services and it is unclear what this may feel like for professionals in these services.
Laura Prodger, Alex Zouloumis, Melanie Hodgkinson, Laura Bartlett   +3 more
wiley   +1 more source

Modelling spatial dependence in an irregular natural forest

Silva Fennica, 2008
The spatial dependence present in a natural stand of Eucalyptus pilularis (Smith) dominated mixed species forest was characterised and modelled. Two wildfires imposed a significant spatial dependence on the post disturbance stand.
Fox, Julian, Bi, Huiquan, Ades, Peter
doaj   +1 more source

Faculty concert: Lynn Chang, violin, Peter Zazofsky, violin, Raphael Hillyer, viola, Iseut Chaut, cello, Andrés Díaz, cello with student guests Konstantinos Papadakis, piano and Shoshana Telner, piano, March 19, 1998 [PDF]

, 1998
This is the concert program of the Faculty Concert: Lynn Chang, violin, Peter Zazofsky, violin, Raphael Hillyer, viola, Iseut Chaut, cello, Andrés Díaz, cello with student guests Konstantinos Papadakis, piano and Shoshana Telner, piano performance on ...
School of Music, Boston University
core  

Four Years of Extreme Ultraviolet Observations of Markarian 421: II. Temporal Analysis [PDF]

, 2000
The Extreme Ultraviolet Explorer (EUVE) satellite accumulated ~one million seconds of public data between 1994 and 1997 for the BL Lacertae object Markarian 421.
A. Fruscione, Ghisellini G., I. Cagnoni, I. E. Papadakis, Mastichiadis A., Papadakis I. E., Papadakis I. E.   +6 more
core   +2 more sources