Results 21 to 30 of about 4,617,956 (331)

FIREBALL: Detector, data acquisition and reduction [PDF]

open access: yes, 2010
The Faint Intergalactic Redshifted Emission Balloon (FIREBALL) had its first scientific flight in June 2009. The instrument combines microchannel plate detector technology with fiber-fed integral field spectroscopy on an unstable stratospheric balloon ...
Evrard, Jean   +9 more
core   +3 more sources

The gravity database for Belgium

open access: yesGeoscience Data Journal, 2019
Data and metadata products based on intensive terrestrial gravity measurements covering the Belgian territory have been established compliant to the new ISO19115‐1 profile for gravity‐related data.
Jeffrey Verbeurgt   +11 more
doaj   +1 more source

Building Extraction from LiDAR Point Clouds Based on Revised RandLA-Net [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
3D building models is crucial for applications in smart cities. Automatic reconstruction of 3D buildings has been investigated based on various data sources.
Y. Zhang   +9 more
doaj   +1 more source

Detecting Multilevel Poverty-Causing Factors of Farmer Households in Fugong County: A Hierarchical Spatial–Temporal Regressive Model

open access: yesAgriculture, 2022
Accurate examination of poverty-causing factors and their mechanisms of poverty-stricken farmer households from a fine scale is conducive to policy implementation and long-term effective poverty reduction. The spatial effects in most previous studies are
Yuewen Jiang   +5 more
doaj   +1 more source

Ambulance Siren Detection using Artificial Intelligence in Urban Scenarios

open access: yesSir Syed University Research Journal of Engineering and Technology, 2022
Traffic density is growing day by day due to the increasing population and affordable prices of cars. It created a void for traffic management systems to cope with traffic congestion and prioritize ambulances.
Muhammad Usaid   +4 more
doaj  

Did imports of sweetened beverages to Pacific Island countries increase between 2000 and 2015?

open access: yesBMC Nutrition, 2021
Background Nutrition-related chronic diseases are the major cause of illness and death in Pacific Island countries. Imports of sweetened beverages (SBs) are likely to be contributing but there is limited analysis of the quantities imported or the source ...
Veronica Yueh Torng Lo   +3 more
doaj   +1 more source

The Design of Digital Controller Algorithms

open access: yesMeasurement + Control, 1969
This paper describes some work done in implementing computer control algorithms on the six plate pilot-scale distillation column at the NPL. The method of algorithm design due to Ziegler and Nichols was used on the column for regulation and set-point ...
B. J. Williams ME, PhD
doaj   +1 more source

Multifractal Desynchronization of the Cardiac Excitable Cell Network During Atrial Fibrillation. II. Modeling

open access: yesFrontiers in Physiology, 2019
In a companion paper (I. Multifractal analysis of clinical data), we used a wavelet-based multiscale analysis to reveal and quantify the multifractal intermittent nature of the cardiac impulse energy in the low frequency range ≲ 2Hz during atrial ...
Guillaume Attuel   +4 more
doaj   +1 more source

LUOJIA Explorer: An Auto-UAV for Unexposed Space Exploration [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
With the advancement of technology, unexposed spaces have emerged as a new type of strategic area, attracting significant attention from researchers.
S. Sun   +15 more
doaj   +1 more source

Risk stratification and lipid evaluation in mexican patients, evidence of lipid and cardiovascular analysis in REMECAR. The mexican registry of cardiovascular diseases (REMECAR group)

open access: yesAtherosclerosis Plus, 2022
Background and aims: Dyslipidaemia is a significant risk factor for cardiovascular disease in the Mexican population. This analysis aimed to describe the baseline LDL-c levels of patients presenting to cardiovascular clinics and evaluate the proportion ...
Manuel Odín De los Ríos-Ibarra   +13 more
doaj  

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