搜索结果: 1-11 共查到“电子科学与技术 problems”相关记录11条 . 查询时间(0.078 秒)
Problems in Automated Building Reconstruction Based on Dense Airborne Laser Scanning Data
Laser scanner Three Dimensional Building Reconstruction Problem Urban
2015/12/4
Reconstructing buildings in 3D has been a challenging research topic for at least ten years, and will be in future as long as acquisition systems are improving and model requirements are increasing. D...
Modeling and control of flow problems by adaptation-based linear parameter varying models
Flow control Navier-Stokes linear parameter varying (LPV) proper orthogonal decomposition (POD) Galerkin projection (GP)
2010/10/12
In this paper a systematic modeling and control approach for flow problems is considered. A nonlinear Galerkin model is obtained from the partial differential equations (PDEs) describing the flow; and...
A New-Trend Model-Based to Solve the Peak Power Problems in OFDM Systems
New-Trend Model-Based Peak Power Problems OFDM Systems
2009/9/4
The high peak to average power ration (PAR) levels of orthogonal frequency division multiplexing (OFDM) signals attract the attention of many researchers during the past decade. Existing approaches th...
The Characteristic Basis Function Method (CBFM): A Numerically Efficient Strategy for Solving Large Electromagnetic Scattering Problems
Characteristic Basis Functions Method of Moments Electromagnetic Scattering
2009/7/28
The objective of this paper is to describe a numerically efficient strategy for solving large electromagnetic scattering problems. This novel approach, termed as the Characteristic Basis Function Meth...
From Engineering Electromagnetics to Electromagnetic Engineering: Using Computational Electromagnetics for Synthesis Problems
Engineering Electromagnetics Electromagnetic Engineering Computational Electromagnetics Synthesis Problems
2009/7/28
In this paper, a two-stage approach is proposed for using computational electromagnetics in antenna engineering. First, stochastic optimization techniques are used in combination with approximate mode...
Sturm-Liouville Equation: The Bridge between Eigenvalue and Green's Function Problems
Sturm-Liouville Equation Eigenvalue Green's Function Problems
2009/7/28
This article is intended as an educational aid and discusses guided wave propagation problems that are modeled via the Sturm-Liouville equation in electromagnetics. The bridge between source-free (eig...
A Note on the Poisson Summation Formula and its Application to Electromagnetic Problems Involving Cylindrical Coordinates
Poisson summation formula electromagnetic problems cylindrical coordinates
2009/7/28
A modified version of the Poisson Summation Formula is derived,involving the Fourier-Bessel Transform of the kernel function, as opposed to the conventional Fourier Transform engaged in the standard f...
Iterative Solution of Field Problems with a Varying Physical Parameter
Field computations iterative techniques initial estimate wire and patch antennas
2009/7/28
In this paper, linear field problems with a varying physical parameter are solved with the conjugate-gradient FFT method and a dedicated extrapolation procedure for generating the initial estimate. Th...
Some Problems With HTSC in Low-Frequency Electric and Magnetic Measurements
HTSC Low-Frequency Electric and Magnetic Measurements
2010/12/15
Sensitivity to magnetic fields is one of the electromagnetic properties of superconductors.
Owing to some special effects, superconductors display extreme sensitivity
to the presence, intensity, and...
The Problems of Selecting a Proper Microlithographic Imaging System
custom integrated circuits electronic equipments
2010/12/27
Considering the increased importance of custom integrated circuits in electronic equipments and other products there is a research activity in Hungary to develop a “state-of-the-art” semiconductor dev...
The Solution of Two-Dimensional Heat Conduction Problems for Predicting Operating Temperature and Power Handling Capabilities of Hybrid Circuits
Two-Dimensional Heat Conduction Problems Temperature and Power Hybrid Circuits
2011/1/21
The problems of heat conduction in hybrid thin and thick film circuits have been investigated using both analytical and numerical approaches.The calculations were restricted to two dimensions by assum...