搜索结果: 1-15 共查到“光电子技术 intensity”相关记录19条 . 查询时间(0.109 秒)
METHODS FROM INFORMATION EXTRACTION FROM LIDAR INTENSITY DATA AND MULTISPECTRAL LIDAR TECHNOLOGY
Classification Information Extraction LiDAR Intensity Multispectral LiDAR
2018/5/15
LiDAR is a consolidated technology for topographic mapping and 3D reconstruction, which is implemented in several platforms On the other hand, the exploitation of the geometric information has been co...
2017SPIE高功率、高能量、高强度激光技术会议（2017 Conference on High-Power,High-Energy,and High-Intensity Laser Technology）
2017 SPIE 高功率、高能量、高强度激光技术 会议
2017/4/25
2017SPIE高功率、高能量、高强度激光技术会议（2017 Conference on High-Power,High-Energy,and High-Intensity Laser Technology）。
calibration of the optech altm 3100 laser scanner intensity data using brightness targets
LIDAR Calibration Targets Quality Radiometric Calibration field Laser scanning
2015/9/1
In this paper the calibration of Optech ALTM 3100 laser scanner intensity is reported using airborne experiments and known brightness targets. The Finnish Geodetic Institute has had a permanent photog...
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...
STREET REGION DETECTION FROM NORMALIZED DIGITAL SURFACE MODEL AND LASER DATA INTENSITY IMAGE
Street region detection laser scanner data normalized Digital Surface Model intensity image image processing techniques
2014/5/8
The urban road network extraction process can be simplified by firstly detecting regions corresponding to streets, allowing a substantial reduction of the search area. As a result, the extraction proc...
THE EFFECTS OF LASER REFLECTION ANGLE ON RADIOMETRIC CORRECTION OF THE AIRBORNE LIDAR INTENSITY DATA
Radiometric Correction LiDAR Intensity Data Reflection Angle Surface Normal Land Cover Classification
2014/6/5
Radiometric correction (RC) of the airborne Light Detection And Ranging (LiDAR) intensity data has been studied in the last few years. The physical model of the RC relies on the use of the laser range...
We present a dynamical analysis of lossless intensity modulation in two different ring resonator geometries. In both geometries, we demonstrate modulation schemes that result in a symmetrical output w...
Intensity Dependent Nonlinear Absorption in Direct and Indirect Band Gap Crystals under Nano and Picosecond Z-Scan
Direct and Indirect Band Gap Crystals Two Photon Absorption Three Photon Absorption Saturated Absorption
2013/1/30
The nonlinear absorption properties of direct (GaN) and indirect (CdI2) band gap crystals have been studied by using an open aperture Z-scan technique under fundamental (1064 nm) and frequency doubled...
Monitoring of Orthogonal Polarization Power Ratio due to PDL using Intensity Tones in Polarization Multiplexed Signals
Fiber optics communications Fiber optics links subsystems
2015/5/25
We demonstrate a technique for monitoring orthogonal polarization power ratio (OPPR) occurring in WDM polarization-multiplexed signals due to PDL. We employ low-frequency intensity tones to estimate t...
Intensity-Modulated Optical Fiber Sensors Based on Chirped-Fiber Bragg Gratings
Optical fiber sensors fiber Bragg gratings intensity-modulated sensors
2013/5/27
Intensity-modulated fiber Bragg grating (FBG) sensors, compared with normal wavelength-encoding FBG sensors, can reduce the cost of sensor system significantly by using cost-efficient optical power...
Intensity measurement based temperature-independent strain sensor using a highly birefringent photonic crystal fiber loop mirror.
Highly birefringent photonic crystal fiber (HiBi-PCF) Fiber loop mirror (FLM) Strain senor Intensity measurement
2013/5/27
A fi ber-optic strain sensor is demons trated by using a short length of highly birefringent phot onic crystal fi ber (HiBi-PCF) as the sensing element inserted in a fi ber loop mirror (FLM). Due to t...
Effect of the wetting layer on intensity noise in quantum dot laser
Effect intensity noise quantum dot laser
2015/7/17
We show through a simple theoretical formulation and in good agreement with experimental measurements that the wetting layer may increase the relative intensity noise at low frequencies in quantum-dot...
Proton Generation by Ultra-Short High-Power Laser and the Dependence on Laser Intensity and Pulse Duration
Ultra-short high-power laser Particle generation Laser acceleration
2009/6/15
Energetic protons (∼ 1.2 MeV) were generated by irradiation of ultra-short high-power laser pulses onto a 5 μm thick copper tape target and the dependence of the proton energies on the laser int...
Potentiality of the Laboratory Astrophysics Using High Repetition Rate and High Intensity Lasers
Laboratory astrophysics Laser driven magnetic field Radiation hydrodynamics
2009/6/15
This review article introduces ultra-high intensity laser driven plasmas for laboratory astrophysics which is currently getting popular in the scientific community. Experiments on radiation hydrodynam...
Ultra-Short Ultra-High Intensity Laser-Matter Interaction
Ultra-high field physics Ultra-short laser pulse Ultra-high intensity laser
2009/6/15
Recently, ultra-high intensity short pulse lasers have been developed quite successfully. They have been applied to the fields such as hard x-ray generation and high energy particle generation. The es...