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Method of Moments Solution by Using Sinc-Type Basis Functions for the Scattering from a Finite Number of Conducting Strip Gratings
Moments Solution Sinc-Type Basis Functions Conducting Strip Gratings
2009/7/28
A numerical method of moments (MoM) solution is applied to the electromagnetic scattering from a periodic finite conducting strip array when the incident electromagnetic plane wave E and H polarizatio...
A Critical Review on Electromagnetic Precursors and Earthquake Prediction
Critical Review Electromagnetic Precursors Earthquake Prediction
2009/7/28
Seismo-electromagnetic precursory-based earthquake prediction studies are criticized in terms of their scientific content, problem complexity, signal excitation and propagation, causal relations with ...
Two, Three and Four-Dimensional Electromagnetics Using Differential Forms
Two,Three and Four-Dimensional Electromagnetics Differential Forms
2009/7/28
The exterior calculus of differential forms provides a mathematical framework for electromagnetic field theory that combines much of the generality of tensor analysis with the computational simplicity...
Fault Tolerant Control With Re-Configuring Sliding-Mode Schemes
Fault detection fault-tolerant systems sliding-mode control
2009/7/28
In this paper, a controller design method for linear MIMO systems is presented which a sliding mode controller is reconfigured in case of system faults. Faults are detected with the residual vector ge...
Initiatory Electrons in Compressed Gases in Positive Polarity
Electrical breakdown seed electron breakdown probability
2009/7/28
This paper deals with the nature of seed electron sources in compressed N2 for positive polarity. We present an experimental procedure that provides evidence of the fact that collisional detachment fr...
Zero-Crossing Based Demodulation of Minimum Shift Keying
Minimum shift keying modulation receiver performance zero-crossing properties
2009/7/28
Minimum shift keying (MSK) modulation has features such as constant envelope, compact spectrum and good error performance, which are all desirable in many digital applications including mobile radio. ...
Scalar Wave Diffraction by Perfectly Soft Thin Circular Cylinder of Finite Length; Analytical Regularization Method
Scalar Wave Diffraction Perfectly Soft Thin Circular Cylinder Analytical Regularization Method
2009/7/28
A new mathematically rigorous and numerically effective method for solving the boundary value problem of scalar wave diffraction by an infinitely thin circular cylindrical screen of finite length is p...
A Time Domain Uniform Geometrical Theory of Slope Diffraction for a Curved Wedge
time domain uniform geometrical theory of diffraction slope diffraction perfectly conducting curved wedge
2009/7/28
A time domain version of the uniform geometrical theory of diffraction (TD-UTD) is developed to describe, in essentially closed form, the field which is produced via slope diffraction at a perfectly c...
2D Complex Point Source Radiation Problem II.~Complex Beams
complex source radiation Gaussian beam
2009/7/28
The complex point source analytic continuation, and the analysis into the spaces of complex distances, angles, and other related magnitudes, may be applied to describe a wide variety of 2D wave propag...
2D Complex Point Source Radiation Problem I. Complex Distances and Complex Angles
complex source complex angle complex beams radiation
2009/7/28
A methodology based on the complex spaces analysis, which allows to generalize the study of wave radiation and scattering problems is presented in this paper. From the analytic continuation of functio...
A Fuzzy Identification Method for Nonlinear Systems
Fuzzy Identification Method Nonlinear Systems
2009/7/27
In this paper, two mathematical ways of building a fuzzy model of both linear and nonlinear systems are presented and compared. In order to determine a model for a nonlinear system, the phase plane is...
An Efficient Algorithm to Determine the Periodic Steady-State Solutions of Nonlinear Systems Using Extended Spectral Analysis
Efficient Algorithm Periodic Steady-State Solutions Nonlinear Systems Extended Spectral Analysis
2009/7/27
A new method for the solution of nonlinear periodic systems was developed. It avoids the time domain calculations of the whole network equations. In the proposed method, by forming the augmented netwo...
基于代数攻击，提出了一种已知部分真值表还原整个布尔函数的方法。对于n元d次布尔函数, 该方法的空间复杂度和数据复杂度均为O(N)，计算复杂度为O(N3)，其中。由复杂度可知，所求密码函数的代数次数越低，该方法的有效性越高。攻击方法表明密码设计中应该谨慎使用代数次数较低的布尔函数。
一种快速的低压降电源/地网络设计方案
布线拥塞 电源/地网络 物理设计
2009/6/29
在税控机SoC的物理设计中,对电源/地网络的设计流程做了较大地改进,提出了一种基于布线密度的设计方法：首先根据目标电压降确定各层金属电源/地线的布线密度,然后根据密度可有针对性的构架电源/地网络,大大提高了设计速度。另外,为降低占用了大量布线资源的电源/地网络对信号布线的不利影响,还对电源/地网络的布线宽度、间距和构架方式进行优化,提出了线宽、间距的计算公式,有效降低了设计的布线拥塞。最终实现了极...