搜索结果: 1-11 共查到“激光及激光器技术 Analysis”相关记录11条 . 查询时间(0.296 秒)
SPACE-BORNE LASER ALTIMETER GEOLOCATION ERROR ANALYSIS
Laser altimetry Error analysis Footprints Pointing angle Range Geolocation accuracy
2018/6/5
This paper reviews the development of space-borne laser altimetry technology over the past 40 years. Taking the ICESAT satellite as an example, a rigorous space-borne laser altimeter geolocation model...
performance analysis of altm3100ea system:instrument specifications and accuracy of lidar data
LiDAR laser scanning DEM/DTM accuracy performance
2015/9/1
Over the last decade the number of airborne lidar systems currently deployed and operating in the field has grown impressively.This growth has intensified the level of competition among lidar equipmen...
Analysis and correction of the dependency between laser scanner intensity values and range
Terrestrial laser scanning intensity range correction
2014/7/30
Intensity values, which are registered by a terrestrial laser scanner system (TLS) for each point of a 3D point cloud in addition to its coordinates, are affected by the characteristic of the measured...
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...
POLE-LIKE OBJECTS RECOGNITION FROM MOBILE LASER SCANNING DATA USING SMOOTHING AND PRINCIPAL COMPONENT ANALYSIS
Mobile Laser Scanning Object Recognition Laplacian Smoothing Point Clouds Principal Component Analysis Pole-like Objects
2014/6/5
With the spread of the Mobile Laser Scanning (MLS) system, the demands for the management of road and facilities using MLS point clouds have increased. Especially, pole-like objects such as streetligh...
Integrated Fourier Domain Mode-locked Lasers:Analysis of a Novel Coherent WDM Comb Laser
Fourier Domain Mode-locked Lasers WDM Comb
2015/5/15
Fourier-domain mode-locking of integrated laser diodes is studied theoretically for the application of WDM mode comb generation. Flat (<7 dB) combs with 40 modes spaced at 25 GHz and RIN values of bel...
Analysis of 2 Dimensional Effects on Long-Distance Propagation of Lasers in Metal Vapor
Propagation of laser pulses 2 dimensional code 2 dimensional effects
2009/6/12
To analyze 2 dimensional effects on long-distance propagation of laser pulses, we have developed a 2 dimensional analysis code LAPCEA (LAser Propagation with Coherent Excitation of Atoms). For the cas...
Gas Temperature Analysis of Laser Gain Medium in a Slab-type Radio-frequency-discharge-excited CO2 Laser
DFB laser Absorption spectroscopy CO2 absorption lines
2009/6/1
An optical method of temperature measurement to analyze CO2 laser active medium based on near-infrared absorption spectroscopy with a 1.6-µm distributed-feedback (DFB) semi- conductor laser is d...
The Vector Analysis of the Optical Resonator with the W-axicon for the Coaxial CO2 Laser
Optical resonator W-axicon, Axicon Toric mirror
2009/6/1
A resonator using w-axicon and axicon mirrors for a double coaxial electrode discharge CO2 laser is analyzed using the vector field, iterative reflection method. A uniform ring-shaped output mode is e...
Polarization Demultiplexing Based on Independent Component Analysis in Optical Coherent Receivers
Polarization Demultiplexing Independent Component Analysis Optical Coherent Receivers
2015/7/30
A novel independent component analysis based algorithm is proposed for polarization demultiplexing. It solves the converge-to-same-source problem of constant modulus algorithm while possesses similar ...
期刊信息
篇名
Theoretical analysis of multi-transverse mode characteristics of vertical-cavity surface-emitting lasers
语种
英文
撰写或编译
作者
Xiaofeng Li,Wei Pan,Bin Luo,Ma Dong,Zhao Zheng,Deng Guo
第一作者单位
刊物名称
Semi...