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  • Concurrent message transmission on short delay ring networks

    Creator:
    Xu, Mingcheng
    Abstract:
    Two new medium access protocols for ring type local area networks, CTR (Concurrent Token Ring) protocol and DRUID (Destination Removal withoUt Intermediate node Delay) ring protocol, are proposed, designed and analyzed. A destination partial removal technique is designed and used in these two protocols to support concurrent message transmission and...
    Resource Type:
    Dissertation
    Full Text:
    and Computer Engineering presented on February 28, 1989. Title: Concurrent Message Transmission on

  • Low power high resolution data converter in digital CMOS technology

    Creator:
    Zheng, Zhiliang
    Abstract:
    The advance of digital IC technology has been very fast, as shown by rapid development of DSP, digital communication and digital VLSI. Within electronic signal processing, analog-to-digital conversion is a key function, which converts the analog signal into digital form for further processing. Recently, low-voltage and low-power have become also...
    Resource Type:
    Masters Thesis
    Full Text:
    & Computer Engineering presented on January 28, 1999. Title: Low Power High Resolution Data Converter in

  • Frequency-domain, parameter estimation for a brushless, doubly-fed machine

    Creator:
    Ramchandran, Ashok
    Abstract:
    A Brushless, Doubly Fed Machine (BDFM) attempts to combine the advantages of conventional induction and synchronous types of electrical machines by its unique architecture. The validation of BDFM designs in an actual test environment requires the estimation of the BDFM model parameters from actual experimentation. Accurate values for the parameters...
    Resource Type:
    Dissertation
    Full Text:
    Philosophy in Electrical and Computer Engineering presented on June 28, 1994. TITLE: Frequency-domain

  • Injection of electrons into silicon dioxide from planar silicon substrates

    Creator:
    Rode, Ajit G.
    Resource Type:
    Dissertation
    Full Text:
    Electron E Energy E-B Emitter-base E Fm Fermi level in metal E Fs Fermi level in semiconductor E 0

  • Switched-current circuits for a bandpass delta-sigma modulator

    Creator:
    Pattamatta, Srinivas V.
    Resource Type:
    Masters Thesis
    Full Text:
    : Modified regulated cascode current copier. 26 Figure 3.8: Layout of RCTH 28 Figure 3.9: Transistor

  • Weather influence on Loran-C

    Creator:
    Graulich, Markus Günter
    Abstract:
    The influence of weather on the long range radio navigation system Loran-C was investigated. The variables analyzed over a period of 255 days were: time differences (TDs), TD signal-to-noise ratios, TD standard deviations (measured at a fixed receiver location in Corvallis, Oregon), time interval numbers (TINOs) (measured at the transmitter...
    Resource Type:
    Masters Thesis
    Full Text:
    the three secondary stations W,X and Y, called TDW, TUX and TDY. The raw TD data showed a 28 day

  • Characterization and reduction of local oscillator phase noise effects in communications systems

    Creator:
    Godshalk, Edward M.
    Abstract:
    Recent developments in digital communications at microwave frequencies have revealed that local oscillator phase noise is often a factor in the bit error rate (BER) analysis. Digital signals transported across microwave radio links acquire waveform jitter from local oscillator phase noise. As jitter increases so does BER. The main goals...
    Resource Type:
    Dissertation
    Full Text:
    phase noise and associated mean square jitter [8, 28] are presented. Test equipment was Redacted for

  • Finite element based rotor design optimization for the brushless doubly-fed machine

    Creator:
    Salim, Mohamed Ali, 1968-
    Abstract:
    Brushless Doubly-Fed Machines have potential benefits in variable speed generation and adjustable speed drive applications by combining a robust machine structure with a reduced power converter rating. While recent work has demonstrated feasibility, steady-state performance has not been optimized. The nature of doubly-fed operation causes rotor currents of varying, relatively...
    Resource Type:
    Masters Thesis
    Full Text:
    Characteristics 24 3.3.2 FE Based Modeling of Doubly-Fed Characteristics 28 3.3.3 3-D Simulation of the BDFM 29

  • Experimental verification of a mismatch-shaping DAC

    Creator:
    Hudson, William Forrest, 1971-
    Abstract:
    Delta-sigma data converters have gained popularity in both analog-to-digital and digital-to-analog converters (ADCs and DACs) due to their simplicity, high linearity and immunity to many analog circuit imperfections. These data converters include features such as oversampling, noise-shaping, and (historically) single-bit quantization. Single-bit converters are preferred for their inherent linearity. This...
    Resource Type:
    Masters Thesis
    Full Text:
    Ioutp and Ioutn due to one sv input being switched. (cascode transistors in place, Rpu = 371 SI) 28

  • Time domain characterization of interconnect discontinuities

    Creator:
    Jong, Jyh-Ming
    Abstract:
    The purpose of this study is to develop experimental techniques to characterize typical interconnect discontinuities, including bends, steps, T junctions, vias and pads, which are the most commonly encountered interconnections in high speed digital integrated circuits, hybrid and monolithic microwave circuits and electronic packages. The time domain reflection response of...
    Resource Type:
    Masters Thesis
    Full Text:
    Model Synthesis 25 4.1.1 Impedance Profile Synthesis 28 4.1.2 Synthesis by Using the Transfer