搜索结果: 1-15 共查到“电子科学与技术 density”相关记录19条 . 查询时间(0.058 秒)
COMPARISON BETWEEN AN AREA-BASED AND INDIVIDUAL TREE DETECTION METHOD FOR LOW-PULSE DENSITY ALS-BASED FOREST INVENTORY
Forest inventory Laser scanning k-NN Individual tree detection Accuracy
2016/2/29
Airborne laser scanning (ALS)-based forest inventories are being increasingly used. The two main approaches in deriving forest
information from small-footprint laser scanner data are the area-based a...
Propagation Prediction Over Random Rough Surface By Zeroth Order Induced Current Density
Zeroth order induced current density Volterra integral equation of the second kind Analytical solution to zeroth order Monte-Carlo simulations Random rough surface mean propagation factor
2014/12/8
Electromagnetic wave propagation over random sea surfaces is a classical problem of interest for the Navy, and significant research has been done over the years. Here we make use of numerical and anal...
Error Analysis of Free Probability Approximations to the Density of States of Disordered Systems
Error Analysis Free Probability Approximations the Density of States Disordered Systems
2014/8/21
Theoretical studies of localization, anomalous diffusion and ergodicity breaking require solving the electronic structure of disordered systems. We use free probability to approximate the ensembleaver...
Imaging Electrical Current Density Using Nuclear Magnetic Resonance
Imaging Electrical Current Density Nuclear Magnetic Resonance
2009/7/27
In this study, images of nonuniform and uniform electric current density in conductor phantoms, which contain magnetic resonance active nuclei, are produced using Magnetic Resonance Imaging (MRI). A s...
期刊信息
篇名
Structural and Electronic Properties of TaSin (n=1~13) Clusters: A relativistic density functional investigation,
语种
英文
撰写或编译
作者
P. Guo,Z. Y. Ren,F. Wang,J. Bian,J. G. Han,G. H. Wang
第一作者单位
刊...
期刊信息
篇名
Density functional calculations on electronic and magnetic properties of Fe-Pt systems
语种
英文
撰写或编译
作者
Yousong Gu,Jian He,Xiaoyuan Zhan,Zhen Ji,Yue Zhang,C. Zhou
第一作者单位
刊物名称
Materials Science F...
THE DISTRIBUTION OF THE ELECTRICFIELD AND OF THE CURRENT DENSITY IN CASE OF ELECTROCORROSION COUNTERMEASURES USING THE SACRIFICE ANODES TECHNIQUE
electrocorrosion sacrifice anodes technique
2010/1/12
An electric field oriented from sea water towards the ship, can develop an extraction work. The corrosion process was thus diminished, by a change in the ship’s hull mass, due to a continuous tore of ...
Analysis of the Density of Electron-Hole Pairs for Minimal Pump Energy in a Laser Diode with Coherent Feedback
Density of electron-hole pairs laser diode coherent feedback minimal pump energy
2010/12/9
The average value in the time domain of the density of electron-hole pairs in a semiconductor laser with coherent feedback is calculated under conditions of minimal pump energy. This value is found to...
An Analytical Study on the Local Electronic Density of States of the Valence Bands in Amorphous Silicon Carbide
Local valence band density of states amorphous silicon carbide hybrid orbitals
2010/12/9
A formulation for the energy-averaged local valence band density of states of amorphous silicon carbide is derived. To this end, sp3-type hybrid orbitals are employed.
A Discussion on the Phonon Density of States of Amorphous Germanium for the Infrared Range
Phonon density of states amorphous germanium infrared range quasiharmonic approximation
2010/12/10
A theoretical formulation for the phonon density of states of amorphous germanium in the infrared range is proposed. This formulation is based upon the quasi-harmonic approximation and is compared wit...
On the Total Electronic Density of States of Disordered Solids
Total electronic density of states small clusters disordered solids
2010/12/10
The concept of total electronic density of states calculated for small clusters in amorphous solids is presented in a new way by using a mathematical formulation based upon matrix calculus. Furthermor...
A Brief Study to Clarify Some Aspects Related to Vibrational Density of States for the Far Infrared Range in Amorphous Semiconductors
Phonon density of states amorphous semiconductors far-infrared range
2010/12/10
Phonon density of states of amorphous semiconductors for the far-infrared range is examined analytically. On the basis of this formulation, optical absorption corresponding to structural disorder is e...
A Small Cluster Approach for the Electronic Density of States in Amorphous Germanium
Electronic density of states amorphous germanium bonding orbitals Born model
2010/12/10
The electronic density of states for very small clusters of amorphous germanium is calculated by using bonding orbitals. In this context, the Born model is considered as well as Pauling-type hybridize...
Bondig technique developed by CII-Honeywell Bull. The paper describes the geometry of bonding pads at the chip level, the design and realization of the corresponding high density 35 mm tape and the in...
Defect Density and Electrical Properties of Vacuum Evaporated Copper Films From Annealing Studies of Electrical Resistance
Defect Density Electrical Properties Vacuum Evaporated Copper Films Electrical Resistance
2010/12/28
Copper films (210 – 1650 Å) were deposited onto glass microslides by vacuum evaporation. The films were subjected to heat treatment at a constant rate and the variation of electrical resistance ...