Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 41 for “"parameter extraction"”.
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Automated MOSFET parameter extraction
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Helicopter blade parameter extraction for purposes of radar target indentification
… research to extract certain helicopter blade parameters which will aid in the identification of a helicopter. The proposed algorithm shows that (under certain conditions) it is possible to extract the number of main rotor blades, the blade length and the rotation rate of the helicopter's main …
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iSMILE: An integrated system for device model design, parameter extraction, and circuit simulation
… of CAD tools such as a circuit simulator and a parameter extractor to explore new device technology lies in the time-consuming process of developing and verifying new models. In this thesis, a novel CAD system which integrates device model design, circuit simulation, and parameter extraction …
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Electrical parasitics and parameter extraction of photonic crystal vertical-cavity surface-emitting lasers
… in the modulation response equation, scattering parameter fitting suggests the diffusion capacitance to be the limiting factor of intensity modulation. Extracted parameters from DC, impedance, and modulation response measurements are cross-checked to verify accuracy.
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Procedure for optimal D.C. parameter extraction for hot-carrier degradation model calibration and verification
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Comprehensive algorithm for eye diagram crossing point detection and eye parameter extraction in transient simulation
… in eye diagrams, a critical component of eye parameter extraction in signal integrity analysis. Current industry tools often fail in edge cases, particularly when dealing with nonlinearities and high distortion. This research identifies these limitations and introduces a robust algorithm that …
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Generating and Simulating CANDU® Fuel Channel Eddy Current Data to Demonstrate Multi-Parameter Extraction Capabilities
… caused by the other conducting structures and parameters of interest. This thesis presents an analytical model of the eddy current gap probe response with the addition of a copper plate. This analytical model was shown to have excellent agreement with simulation data from a validated Finite …
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Novel Methodologies and Measurement Software for Transistor Amplifier Synthesis in Planar Coupled -Transmission Lines
… We next describe a frequency domain normal mode parameter extraction method for a symmetric, uniform, MTL section. This is applied to coupled microstrip and coplanar lines for distributed circuit parameter extraction from S-parameter simulation. Measurement techniques for characterization of MTL …
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Compact modelling in RF CMOS technology
… fully-scalable 2-pi model and model parameter extraction methodology are also presented for spiral inductors in this work. To test and verify the developed active and passive device models and model parameter extraction methods, a series of RF-MOSFETs and planar on-chip spiral …
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A compact model for silicon controlled rectifiers in low voltage CMOS processes
… compact model is presented. A methodology for parameter extraction is also discussed.
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Efficient IC statistical modeling and extraction using a Bayesian inference framework
Variability modeling and extraction in advanced process technologies is a key challenge to ensure robust circuit performance as well as high manufacturing yield. In this thesis, we present an ecient framework for device and circuit variability modeling and extraction by combining an ultra-compact …
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Extracting dimensional geometric parameters from B-spline surface models
… systems usually deal with geometric dimensional parameters (e.g. length, radius, etc.) whereas preliminary design systems frequently require the geometry definition to be in the form of surface models. This dissertation presents the necessity and scope of creating and implementing methodologies …
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Characterization and modeling of silicon and silicon carbide power devices
… an effect called "conduction loss," a parameter that causes a linear relationship between the device voltage and current at low bias voltages with no physics meaning. Furthermore, this term is not sufficient to accurately describe the changes to the device characteristics as the …
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Design, Fabrication, and Modeling of Indium Phosphide Double-Heterojunction Bipolar Transistors With Sub-Millimeter Wave Cutoff Frequency
… an overview of the relevant materials and device parameters. Material structure design and vertical scaling are discussed in Chapter 2. In Chapter 3, lateral process scaling and the sub-micron HBT fabrication process are presented. Chapter 4 details the material designs studied and the measured …
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Testing general relativity using millimeter wavelength radio interferometry of Sgr A*
… observations of Sgr A* to constrain black hole parameters such as mass, spin, and deviation from general relativity was considered. Realistic simulations of Sgr A* were performed using the MAPS software. Image reconstructions were made using MACIM and image-based parameter extraction using the …
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Experimental and Numerical Investigations into Terahertz Time-Domain Spectroscopy
… culminates in the demonstration of a material parameter extraction procedure which we use to obtain the complex refractive index of a GaP crystal and a ZnTe crystal.
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Condition monitoring of lithium-ion batteries using broadband multisine excitation and electrochemical impedance spectroscopy
… impedance magnitude response of the cell. Also, parameter extraction is performed on both EIS and BIS techniques for fault detection purposes.
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Damage Detection in Aluminum Cylinders Using Modal Analysis
… variation include the error introduced by modal parameter extraction, measurement noise, and the mass loading of the accelerometer. Structure variability is due to slight differences in the supposedly identical structures. Dimensional tolerancing is one example. This study began with six …
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Development of InP DHBT for 5G millimeter-wave power amplifier and GaAs photodetector for 50 Gb/s optical link
… DC and small-signal characterization, physical parameter extraction and ADS microwave modeling.
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Electrical, Thermal, and EMI Designs of High-Density, Low-Profile Power Supplies
… circuit method is employed for parasitic parameter extraction. Layout and packaging are optimized to minimize conducted EMI noises. Noise predictions by Saber simulations are confirmed by experimental measurements.
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