搜索结果: 1-15 共查到“电子技术 analysis”相关记录20条 . 查询时间(0.221 秒)
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...
Analysis of frequency characteristics of electrical arcs on the insulating sheath of the ADSS fiber optic cables
ADSS cable dry-band arcing frequency spectrum ageing process
2011/3/22
The insulating outer-sheath of ADSS (All dielectric self supporting) cables used on high voltage transmission lines are often subjected to various environmental effects. The ageing process of cable sh...
Performance analysis of swarm optimization approaches for the generalized assignment problem in multi-target tracking applications
Generalized assignment problem ant colony optimization particle swarm optimization data association target tracking
2010/11/22
The aim of this study is to investigate the suitability of selected swarm optimization algorithms to the generalized assignment problem as encountered in multi-target tracking applications. For this p...
Detection of static eccentricity for permanent magnet synchronous motors using the coherence analysis
Permanent magnet synchronous motor eccentricity fault diagnosis spectral analysis
2010/11/22
This paper reports on work to detect the static eccentricity faults for permanent magnet synchronous motor (PMSM) using spectral analysis methods. Measurements are carried out by collecting the stator...
Nonlinear dynamic analysis of mitral valve doppler signals: surrogate data analysis
Doppler mitral valve largest lyapunov exponent correlation dimension surrogate data ROC
2010/10/12
In our study, the nonlinear dynamics of mitral valve Doppler signals from 32 healthy and 28 patients with mitral valve stenosis was evaluated using by the computation of Lyapunov exponents, correlatio...
Analysis and Optimization of Mobile Phone Antenna Radiation Performance in the Presence of Head and Hand Phantoms
Numerical simulation hand phantom antenna design
2009/7/28
A commercial clam shell phone CAD model is used to numerically investigate the effect of a hand phantom on mobile phone antenna radiation performance. The simulation results show that the grip of the ...
Stability Analysis of a Closed-Loop Control for a Pulse Width Modulated DC Motor Drive
pulse width modulation (PWM) DC drive stability analysis
2009/7/28
In this paper, the effect of the variation of amplitude and the chopping period of a PWM signal on the stability of a closed-loop control for a DC motor drive is investigated. First, the entire system...
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...
STATIONARY FRAME ACTIVE POWER FILTER CONTROL BASED ON MULTIRESOLUTION ANALYSIS
active power filter multiresolution analysis resonant controller
2010/1/12
The paper presents an active power filter control method. The reference signal
is generated in the stationary reference frame α-β using multiresolution analysis and the
controllers used are P-resona...
Properties analysis and solutions of light power equalization for free space communication system using semiconductor laser
light power equalization adaptive power control wireless optical communication
2010/7/16
starting with the light transmission properties in atmosphere, analyzed the characteristics of light power gain for FSO system, the dynamic range of light power gain was also discussed. A innovation p...
Analysis of Random Phase Error and Its Effects on Non-adjacent Channels Crosstalk of AWG Device
Crosstalk array waveguide grating Demultiplexer non-adjacent random phase errors
2010/7/16
Adjacent and non-adjacent of Crosstalk level of AWG based DWDM components between its output waveguides maybe the most important disadvantage for its application in optical communication systems compa...
Analysis on SOI(Silicon-on-Insulator)-based MMICs(Multimode Interference Couplers) with different thickness of upper Silicon layer
SOI MMICs thickness Silicon layer MMI
2010/7/16
It is compared with each other that MMIs made of SOI wafers with different thickness of upper Si layer have different properties. MMI coupler made of SOI wafers with thinner Si layer has better self-i...
Analysis of Signal Integrity on PCB and Design of SFP Optic Transceiver Circuit
1.25G 1310nm optic transceiver SFP Signal Integrity Circuit design
2010/7/16
In this paper, we discussed the latest development of SFP transceiver technologies and
applications which are received widely industry attention. This paper has also made a great study on signal inte...
Some Investigations on the Anisotropy of the Chemical Etching of (h k 0) and (h h l) Silicon Plates in a NaOH 35% Solution. Part II: 3D Etching Shapes, Analysis and Comparison with KOH 56%
the Chemical Etching (h k 0) and (h h l) Silicon Plates a NaOH 35% Solution KOH 56%
2010/12/8
This paper deals with the micromachining of various (h k 0) and (h h l) membrane–mesa structures in a NaOH 35% solution. Final etching shapes of micromachined structures show a marked anisotropy of ty...
Analysis of Temperature and Drain Voltage Dependence of Substrate Current in Deep Submicrometer MOSFET'S
Submicrometer MOSFET’s Impact ionization Substrate current Temperature Channel length
2010/12/8
In this paper, a detailed experimental study of channel length, drain voltage and temperature dependence of substrate current Isub in submicrometer MOSFET's is presented. Impact ionization rate α is r...