搜索结果: 1-15 共查到“光学工程 Three dimensional”相关记录27条 . 查询时间(0.062 秒)
A FRAMEWORK FOR RELIABLE THREE-DIMENSIONAL UNDERGROUND UTILITY MAPPING FOR URBAN PLANNING
Underground Utility Mapping 3D Mapping Urban Planning
2018/11/9
To optimise the use of limited available land, land-scarce cities such as Singapore are increasingly looking towards the underground in search of more space. A good understanding of what already exist...
A THREE-DIMENSIONAL AEROSOL VARIATIONAL DATA ASSIMILATION SYSTEM FOR AIRCRAFT AND SURFACE OBSERVATIONS
Data assimilation WRF/Chem Aerosol Aircraft
2018/5/16
A three-dimensional variational data assimilation system is implemented within the Weather Research and Forecasting/Chemistry model, and the control variables consist of eight species of the Model for...
INTEGRATION OF THREE-DIMENSIONAL DIGITAL MODELS AND 3D GIS: THE DOCUMENTATION OF THE MEDIEVAL BURIALS OF AMITERNUM (L’AQUILA, ITALY)
3D GIS Documentation of Cultural Heritage Archaeological Heritage Digital Photogrammetry Archaeological Survey 3d modelling of archeological data
2018/6/5
This paper illustrates the results of an experimentation carried out by a multi-disciplinary research group made up of researchers from ITC-CNR of L'Aquila and of archaeologists of the University of L...
2017数字全息与三维成像会议（The Digital Holography and Three-Dimensional Imaging meeting）
2017 数字全息与三维成像 会议
2017/4/25
The Digital Holography and Three-Dimensional Imaging meeting provides a forum for science, technology, and applications of digital holographic, and three-dimensional imaging and display methods. Topic...
Reflection-type holographic disk-type memory using three-dimensional speckle-shift multiplexing
holographic memory reflection-type hologram speckle shift multiplexing
2016/11/22
This review presents a reflection-type holographic memory using three-dimensional(3D) speckle-shift multiplexing. First, the schematic of the proposed memory system was described. Then, experimental d...
Evaluations of Three-Dimensional Building Model Reconstruction from LiDAR Point Clouds and Single-View Perspective Imagery
3D Building Model Reconstruction LiDAR Single View Reconstruction Image-based Reconstruction Close-range Photogrammetry
2014/7/30
This paper briefly presents two approaches for effective three-dimensional (3D) building model reconstruction from terrestrial laser scanning (TLS) data and single perspective view imagery and assesse...
Three-dimensional imaging of hold baggage for airport security
Three-dimensional X-Ray Image Close Range Photogrammetry
2014/7/30
This study describes a cost-effective check-in baggage screening system, based on "on-belt tomosynthesis" (ObT) and close-range photogrammetry, that is designed to address the limitations of the most ...
Three-dimensional self-assembled photonic crystals with high temperature stability for thermal emission modification
Three-dimensional self-assembled photonic crystals temperature stability thermal emission modifi cation
2015/8/7
Selective thermal emission in a useful range of energies from a material operating at high temperatures is required for effective solar thermophotovoltaic energy conversion.Three-dimensional metallic ...
PERFORMANCE ASSESSMENT OF FULLY AUTOMATIC THREE-DIMENSIONAL CITY MODEL RECONSTRUCTION METHODS
Building Modelling City DSM/DTM
2014/4/28
Three-dimensional urban region representations can be used for detailed urban monitoring, change and damage detection purposes. In order to obtain three-dimensional representation, one of the easiest ...
Liquid crystal panel for high efficiency barrier type autostereoscopic three-dimensional displays
2011/12/13
An autostereoscopic display with parallax barrier attached onto a liquid crystal panel suffers from the trade-off between brightness and crosstalk. One approach for making improvement by modifying the...
Three-Dimensional Subcarrier-Multiplexed Nonbinary- LDPC-Coded Modulation Schemes Enabling Ultra High Speed Optical Communications
Fiber optics communications Modulation Low-density parity-check codes
2015/5/25
We propose nonbinary-LDPC-coded modulation schemes employing subcarrier-multiplexing and three-dimensional constellations. We improve coding gains of conventional PDM-M-QAM by 2.17dB and 2.92dB, for M...
Transmission Through a Scalar Wave Three-Dimensional Electromagnetic Metamaterial and the Implication for Polarization Control
Metamaterial Scalar Wave Polarization Control
2015/8/10
An interweaving-conductor metamaterial (ICM) is a metamaterial composed of multiple, interlocking,conducting networks. It exhibits unusual optical properties in the low-frequency linear-dispersion reg...
Three-Dimensional Metamaterials with an Ultrahigh Effective Refractive Index over a Broad Bandwidth
Three-Dimensional Metamaterial Ultrahigh Effective Refractive Index Broad Bandwidth
2015/8/10
The authors introduce a general mechanism, based on electrostatic and magnetostatic considerations,for designing three-dimensional isotropic metamaterials that possess an enhanced refractive index ove...
Three-Dimensional Low-loss Waveguide Shuffler and Splitter / Combiner using Novel Mirror Structure
Waveguide Shuffler Splitter / Combiner Mirror Structure
2015/7/17
We present 3D low-loss optical waveguide shuffler and splitter/combiner which will become important for high-channel count optical interconnect. We used a couple of TIR mirrors at a shuffling point an...
Fabrication of Three-Dimensional Micro Optical Device
Femtosecond laser pulse Silica glass Device
2009/6/9
By use of localized modification of transparent materials with femtosecond laser pulses the fabrication of three-dimensional photonic device was become possible. In this paper, we report on the fabric...