搜索结果: 1-15 共查到“电子科学与技术 surface”相关记录31条 . 查询时间(0.093 秒)
Automated Modelling of Surface Detail from Point-Clouds of Historical Objects
Laser scanning Surface Modeling Triangulation Monitoring Cultural Heritage
2015/11/12
Terrestrial Laser Scanners are well suited for the acquisition of data for subsequent geometric modeling. Modern phase shift laser scanners allow the measuring of point clouds with very high point den...
Lithium Ion Battery Failure Detection Using Temperature Difference Between Internal Point and Surface
Lithium Ion Battery Battery Safety Battery Thermal Model TDIS Failure Early Detection Thermal Runaway
2015/1/20
Lithium-ion batteries are widely used for portable electronics due to high energy density, mature processing technology and reduced cost. However, their applications are somewhat limited by safety con...
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...
Improved algorithm on retrieval ocean surface current based on X-band radar
ocean surface current X-band radar dispersion relationship membership least square method (LSM)
2012/3/22
In order to overcome the traditional current retrieval algorithm’s shortcomings based on X-band radar, such as a large error existing at the low current rate and the unsteady result, an improved algor...
Implementation of method for operating multiple high frequency surface wave radars on a common carrier frequency
High frequency surface wave radar common frequency doppler processing ionosphere
2010/10/12
The increasing use of High Frequency Surface Wave Radar (HFSWR) for the surveillance of coastal regions is faced with the problem of limited channel availability in the electromagnetic spectrum. Thus,...
A review of high frequency surface wave radar for detection and tracking of ships
High Frequency Surface Wave Radar HFSWR Detection Tracking Ships Maritime Domain Awareness
2010/10/12
In today's resource-driven economy, maritime nations are claiming economic borders that extend beyond the continental shelf or the 200 nautical mile (nm) Exclusive Economic Zone (EEZ). However, claimi...
Modeling and simulation strategies in high frequency surface wave radars
Radar HF radar surface wave HF radar HFSWR propagation noise clutter RCS
2010/10/12
Surface Wave High Frequency Radars (SWHFR) are taken into account in the content of modeling and simulation challenges. Examples related to multi-mixed path surface wave propagation, radar cross secti...
Taylor Expansion of Surface Potential in MOSFET: Application to Pao-Sah Integral
Taylor Surface Potential MOSFET Pao-Sah Integral
2010/12/3
We propose a simple model, derived from Pao-Sah theory, valid in all modes from weak to strong inversion, to calculate the drain current in Metal Oxide Semiconductor Field Effect Transistor (MOSFET). ...
New Approaches for On-line Tuning of the Linear Sliding Surface Slope in Sliding Mode Controllers
Sliding mode control sliding surface design time-varying sliding surface
2009/7/28
The main objective of this study is to propose new approaches for on-line tuning of the linear sliding surface slope in sliding mode controllers. The new approaches are developed for a class of second...
Low-Frequency NMR of Laser-Polarized Xenon on a Liquid Surface
High-power laser-diode Polarized xenon Surface NMR
2009/6/10
We have optically polarized the nuclear spin of xenon atoms using a frequency-narrowed high-power laser-diode. The free-induction signals of polarized xenon in gas and liquid phases were measured in a...
Surface Micro-Structuring of Silica Glass by Laser-induced Backside Wet Etching
Laser ablation Excimer laser mask projection Diode-pumped solid state UV laser
2009/6/1
We have investigated a one-step method to fabricate a microstructure on a silica glass plate by using laser-induced backside wet etching (LIBWE) that consists of excimer laser mask projection system a...
Growth Control of ZnO Nanorods by Pulsed Laser Deposition Method and Their Surface Enhanced Raman Scattering Properties
ZnO Pulsed Laser Deposition Nanorod
2009/6/1
ZnO nanorod arrays have attracted considerable attention as a candidate for fabricating gas sensors, dye-sensitized solar cells, and light emitting diodes (LEDs) in the last few years. Controlling the...
Nano-processing Utilizing Plasmon on Glass Surface by Femtosecond Laser Pulse with Template of Dielectric Particle Array
Femtosecond laser Nano-processing Nano-particle
2009/6/1
Nano-processing using a near-field generated by laser irradiation onto the nano-particle is becoming a new emerging nanofabrication technology, because it can fabricate nano-sale structures even with ...
Enhancement of Surface Properties of Metal Materials by Underwater Laser Processing
Laser Welding Laser Peening Underwater Maintenance
2009/6/1
The authors have developed underwater laser processing, namely welding and peening, to enhance surface properties of metallic components. The process developed could significantly reduce radiation dos...
Surface Nano-fabrication by Laser Precision Engineering
Nano-fabrication Laser precision engineering Near field
2009/6/1
Research progress on laser nano-fabrication with the combination of AFM, NSOM and transparent particles mask is reviewed. With the combination of other advanced processing tools, laser irradiation can...