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Barakah's operations team has begun the final operational readiness testing needed before the fourth unit at the site near Ruwais in Abu Dhabi can receive an operating licence from the UAE's nuclear r...
Three low-enriched uranium (LEU) fuel test assemblies have successfully been tested in Belgium's BR2 research reactor. The Belgian Nuclear Research Centre (SCK-CEN) plans to fully convert the reactor ...
Klarman Fellow Malinowski creates and tests quantum materials（图）
Klarman Fellow. Malinowski 量子材料 铁基超导体片
2023/5/17
Imagine a patch of material an inch across – wide enough to handle – but only one atomic layer thick.
INDOOR PHOTOGRAMMETRY USING UAVS WITH PROTECTIVE STRUCTURES: ISSUES AND PRECISION TESTS
UAV Collision-Tolerant Drone Photogrammetry 3D Mode safety survey BVLOS control
2018/4/18
Management of disaster scenarios requires applying emergency procedures ensuring maximum safety and protection for field operators. Actual conditions of disaster sites are labelled as “Triple-D: Dull,...
PRELIMINARY TESTS OF A NEW LOW-COST PHOTOGRAMMETRIC SYSTEM
Low Cost Digital Surface Model Accuracy Assessment Photogrammetry Raspberry Pi 3D Reconstruction
2018/3/6
This paper presents preliminary tests of a new low-cost photogrammetric system for 4D modelling of large scale areas for civil engineering applications. The system consists of five stand-alone units. ...
Researchers find computer code that Volkswagen used to cheat emissions tests
Researchers computer code Volkswagen cheat emissions tests
2017/7/20
An international team of researchers has uncovered the mechanism that allowed Volkswagen to circumvent U.S. and European emission tests over at least six years before the Environmental Protection Agen...
FISHEYE PHOTOGRAMMETRY: TESTS AND METHODOLOGIES FOR THE SURVEY OF NARROW SPACES
Fisheye Photogrammetry Survey
2017/4/10
The research illustrated in this article aimed at identifying a good standard methodology to survey very narrow spaces during 3D investigation of Cultural Heritage. It is an important topic in today’s...
STATISTIC TESTS AIDED MULTI-SOURCE DEM FUSION
DEM Fusion Blunder Detection Statistic Test
2016/11/15
Since the land surface has been changing naturally or manually, DEMs have to be updated continually to satisfy applications using the latest DEM at present. However, the cost of wide-area DEM producti...
INITIAL TESTS AND ACCURACY ASSESMENT OF A COMPACT MOBILE LASER SCANNING SYSTEM
Mobile Laser Scanning LIDAR Point Cloud Accuracy Assessment
2016/7/5
Mobile laser scanning (MLS) is a faster and cost-effective alternative to static laser scanning, even though there is a slight trade-off in accuracy. This contribution describes a compact mobile laser...
DEVELOPING THE STABILIZED MAPPING SYSTEM FOR THE GYROCOPTER–REPORT FROM THE FIRST TESTS
autogyro stabilization LiDAR data quality trajectory estimation power spectral density
2016/7/4
The LiDAR mapping carried out using gyrocopters provides a relatively cheap alternative for traditional mapping involving airplanes. The costs of the fuel and the overall maintenance are much lower wh...
Determination of Displacements in Load Tests with Digital Multimedia Photogrammetry
Photogrammetry Close Range Expert System
2015/12/16
This paper describes the use of multimedia photogrammetry for determine of deflection behavior of buried flexible pipe 312 mm
diameter is placed in highly strengthened steel box under load. 20 mm thi...
Terrestrial Laser Scanning for Deformation Monitoring- Load Tests on the Felsenau Viaduct (CH)
Terrestrial laser scanning Engineering surveying Deformation monitoring
2015/12/16
In conjunction with future renovation work on the 33-year-old Felsenau viaduct (CH), which is part of the Swiss highway A1 and
one of the most remarkable concrete bridge structures in Switzerland, lo...
Semiparametric Causality Tests Using the Policy Propensity Score
Potential outcomes conditional independence
2015/9/22
Time series data are widely used to explore causal relationships, typically in a regression
framework with lagged dependent variables. Regression-based causality tests rely on an
array of functional...
Causal e§ects of monetary shocks: Semiparametric conditional independence tests with a multinomial propensity score
conditional independence tests instrument
2015/9/22
Macroeconomists have long been concerned with the causal e§ects of monetary policy. When the identiÖcation of causal e§ects is based on a selection-on-observables assumption, non-causality amount...
Difference in Difference Meets Generalized Least Squares: Higher Order Properties of Hypotheses Tests
panel data treatment eff ect GLS
2015/9/22
We investigate estimation and inference in difference in difference econometric models
used in the analysis of treatment effects. When the innovations in such models display serial
...
