搜索结果: 1-14 共查到“激光及激光器技术 Method”相关记录14条 . 查询时间(0.175 秒)
IMAGE-BASED METHOD FOR THE PAIRWISE REGISTRATION OF MOBILE LASER SCANNING POINT CLOUDS
pairwise registration relative registration image registration template matching
2018/11/9
In this paper, a method is proposed for solving relative translations of 3D point clouds collected by Mobile Laser Scanning (MLS) techniques. The proposed approach uses the attributes of the 3D points...
A SLIDING WINDOW METHOD FOR DETECTING CORNERS OF OPENINGS FROM TERRESTRIAL LIDAR DATA
Sliding Window Corners Detection Openings Detection LiDAR Point Clouds LoD3 Modelling
2018/11/9
Architectural building models (LoD3) consist of detailed wall and roof structures including openings, such as doors and windows. Openings are usually identified through corner and edge detection, base...
RESEARCH ON COORDINATE TRANSFORMATION METHOD OF GB-SAR IMAGE SUPPORTED BY 3D LASER SCANNING TECHNOLOGY
GB-SAR Interference measurement 3D laser scanning Coordinate Transformation
2018/5/15
In the image plane of GB-SAR, identification of deformation distribution is usually carried out by artificial interpretation. This method requires analysts to have adequate experience of radar imaging...
RESEARCH ON A DEM COREGISTRATION METHOD BASED ON THE SAR IMAGING GEOMETRYv
DEM Coregistration DEM Intensity Simulation Cross-correlation 2D Polynomial Fitting
2018/5/15
Due to the systematic error, especially the horizontal deviation that exists in the multi-source, multi-temporal DEMs (Digital Elevation Models), a method for high precision coregistration is needed. ...
Method to Monitor Atmospheric Atomic Mercury by a Differential Absorption Lidar System
Monitor Atmospheric Atomic Mercury Differential Absorption Lidar System
2016/12/2
A differential absorption lidar (DIAL) system has been developed for atomic mercury concentration monitoring and applied in ambient air monitoring in Guangzhou, China. A 24-hour measurement on backgro...
Simple Method of the Formation of the Hamiltonian Matrix for Some Schrodinger Equations Describing the Molecules with Large Amplitude Motions
Schrodinger Equation Large Amplitude Motions Hamiltonian Matrix
2013/1/30
A simple approach to the formation of a Hamiltonian matrix for some Schrodinger equations describing the molecules with large amplitude motions has been proposed. The algorithm involving one or severa...
AUTOMATIC EXTRACTION OF ROCK JOINTS FROM LASER SCANNED DATA BY MOVING LEAST SQUARES METHOD AND FUZZY K-MEANS CLUSTERING
terrestrial laser scanning rock joint orientation moving least squares fuzzy K-means clustering
2014/6/5
Recent development of laser scanning device increased the capability of representing rock outcrop in a very high resolution. Accurate 3D point cloud model with rock joint information can help geologis...
PERFORMANCE ANALYSIS OF A POLE AND TREE TRUNK DETECTION METHOD FOR MOBILE LASER SCANNING DATA
mobile laser scanning feature extraction pole tree
2014/6/5
Dense point clouds can be collected efficiently from large areas using mobile laser scanning (MLS) technology. Accurate MLS data can be used for detailed 3D modelling of the road surface and objects a...
Novel Thermal Drift Suppression Method in Channel Switching of Mode-hop-free Tunable Laser Array
Semiconductor Lasers Lasers tunable
2015/6/10
A switching time of less than 40 μs has been achieved for a TDA-DFB laser array with a thermal drift suppression technique using the tuning regions of non-lasing lasers as heaters for temperature comp...
A Self Wavelength Tracking Method for a Cost Effective WDM-PON with Tunable Lasers
Optical communications Networks
2015/6/10
We demonstrate a self wavelength tracking method for tunable lasers in a WDM-PON.By measuring the back-scattered power by a feeder fiber, we identified and tracked the allocated wavelength of the tuna...
Novel Optical Fiber Identification Method for PONs Based on Polarization Modulation Caused by Pressure-Induced Retardation
Optical Fiber PONs Polarization Modulation Caused Pressure-Induced Retardation
2015/7/17
We proposed a new technique for identifying fibers in PONs using polarization-modulation caused by a transverse force. We demonstrate our method using conventional and bend-insensitive fibers in a bra...
Laser Plastic Coloring Method Using a Slab CO2 Laser
Laser plastic coloring method Slab RF excited CO2 laser Artistic laser processing
2009/6/8
A laser plastic coloring (LPC) method has been newly developed as an innovative coloring method for plastic materials using a CO2 laser system. Irradiating laser beam to water diluted dye, the dye sol...
The FEL Irradiation Effects against a Phosphorylated Peptide and the Infrared Spectrographic Distinguishing Method of a Phosphate Group
Free Electron Laser (FEL) Phosphorylation and dephoosphorylation Fourier transform infrared Spectrometer (FT-IR)
2009/6/8
Phosphorylation and dephosphorylation that are most remarkable posttranslational modifications are important to the activation and deactivation of protein in living system. In the first approach, we s...
A Novel Re-modulation Method in a WDM-PON with Enhanced Extinction Ratio
Method WDM-PON Extinction
2015/8/3
We propose and experimentally demonstrate a novel coding scheme for a WDM-PON system using ASK/DPSK re-modulation corresponding to downstream/upstream signals respectively to enhance the toleration of...