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Filtering by: Creator Deinzer, Max L. Remove constraint Creator: Deinzer, Max L. Academic Affiliation Electrical and Computer Engineering Remove constraint Academic Affiliation: Electrical and Computer Engineering Degree Level Master's Remove constraint Degree Level: Master's

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  • Electrical characterization, maximum charge-maximum voltage (Q[max]-V[max]) analysis, aging and temperature studies of thiogallate thin-film electroluminescent devices

    Creator:
    Pham, Long V.
    Resource Type:
    Masters Thesis
    Full Text:
    the Q-FP curve, i.e. q int (t = DE regime) = q max (3.13) provided that there is a negligible

  • Existence and uniqueness results for ℓ -optimal linear dynamic controllers for discrete time SISO systems

    Creator:
    Alpay, Mehmet Emin
    Resource Type:
    Masters Thesis
    Full Text:
    Preliminaries - I 6 An Alternative Formulation for the l'- optimization Problem 8 SOLUTION OF THE 11

  • Complexity and performance analysis of turbo decoders for wireless communication systems

    Creator:
    Rangarajulu, Suresh
    Abstract:
    The quest to achieve reliable communication has always existed. Error Correcting codes have made communication systems even more reliable under high signal to noise ratios. A new class of codes called Turbo codes have proved to be more effective compared to the other classes of codes and achieve performance close...
    Resource Type:
    Masters Thesis
    Full Text:
    Virginia L. Stonick The quest to achieve reliable communication has always existed. Error Cor- recting

  • Multiprocessor computers with replicated shared memory

    Creator:
    Easterday, John L.
    Abstract:
    Multiprocessor computers may eventually be the only method of increasing computer throughout. One of the major problems with multiprocessor computers is the interference or contention between processors when accessing a shared resource. This work describes the design, construction, and analysis of a prototype multiprocessor computer utilizing a replicated shared memory...
    Resource Type:
    Masters Thesis
    Full Text:
    ABSTRACT OF THE THESIS OF John L. Easterday for the degree of Master of Science in Electrical Engineering

  • The design of an interface between IEEE standard bus and unibus-CP1100/GPIB interface

    Creator:
    Aghdasi, Farhad
    Abstract:
    CP1100/GPIB Interface is an interface between the "General Purpose Interface Bus", which is an implementation of the Universal Bus described in IEEE Standard 488-1975, and Unibus. This interface enables TEKTRONIX CP1100 series controllers to operate GPIB- compatible instruments connected to the General Purpose Interface Bus. The designer can now incorporate...
    Resource Type:
    Masters Thesis
    Full Text:
    : Redacted for privacy Donald L. Amort CP1100/GPIB Interface is an interface between the "General Purpose

  • Evaluation of a pole placement controller for a planar manipulator

    Creator:
    Doustmohammadi, Ali
    Abstract:
    The effectiveness of linear control of a planar manipulator is presented for robot operation markedly exceeding the limits of linearity assumed in the design of the linear controller. Wolovich's frequency domain pole placement algorithm is utilized to derive the linear controller. The control scheme must include state estimation since only...
    Resource Type:
    Masters Thesis
    Full Text:
    Controller for a Planar Manipulator Abstract approved:_Redacted for Privacy U , John L. Saugen The

  • A method for controlling and stabilizing the pitch-axis dynamics of a magnetically levitated train

    Creator:
    Ramchandran, Ashok
    Abstract:
    An electro-dynamic Magnetic Levitation vehicular system has been modelled and studied. In practice, a MagLev vehicle will consist of a number of cars which are mechanically coupled to each other. It is reasonable to assume that each of these cars will be independently controlled with the help of a supervisory...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: Redacted for Privacy John. L. Saugen An electro-dynamic Magnetic Levitation vehicular

  • Investigation, analysis and design of the linear brushless doubly-fed machine

    Creator:
    Seifkhani, Farroh
    Abstract:
    This thesis covers the efforts of the design, analysis, characteristics, and construction of a Linear Brush less Doubly-Fed Machine (LBDFM), as well as the results of the investigations and comparison with its actual prototype. In recent years, attempts to develop new means of high-speed, efficient transportation have led to considerable...
    Resource Type:
    Masters Thesis
    Full Text:
    thank my other committee members, professor John L. Saugen and professor James Coakley for taking their

  • Resolution enhancement of analog-to-digital converters through computationally simple digital filtering

    Creator:
    Zahl, Eric L.
    Abstract:
    The resolution of analog-to-digital converters can be distinguished as absolute resolution, or average resolution. This study reviews average resolution enhancement techniques and proposes a method which is particularly applicable as a low-cost modification to a high-speed waveform acquisition system. This method uses oversampling combined with computationally simple digital filtering to...
    Resource Type:
    Masters Thesis
    Full Text:
    ideal LPF and the MA filter at the cutoff frequency of we = nfs , that is, .7cfs) max(ep) = 1 - l HMA

  • The development of commercially viable brushless doubly-fed machines

    Creator:
    Bellagh, Robert L.
    Abstract:
    Basic operation, as well as successful development, of the Brush less Doubly-fed Machine (BDFM) has been documented, and research has turned from proof of concept and early development to the more practical direction of increased manufacturability to prove industrial viability. Previous research centered on using standard induction motor stators along...
    Resource Type:
    Masters Thesis
    Full Text:
    machines AN ABSTRACT OF THE THESIS OF Robert L. Bellagh for the degree of Master of Science in

  • Development, fabrication, and characterization of transparent electronic devices

    Creator:
    Hoffman, Randy L.
    Abstract:
    The objective of this thesis is to provide an initial demonstration of the feasibility of constructing highly transparent active electronic devices. Such a demonstration is successfully achieved in the fabrication of ZnO-based thin film transistors (TFTs) exhibiting transparency greater than ~90% in the visible portion of the electromagnetic spectrum and...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Randy L. Hoffman for the degree of

  • Multi-media presentation system based on a distributed control network

    Creator:
    Baily, Albert L.
    Abstract:
    Control oriented local area networks (COLANs) are being installed in factories at an increasing rate. Traditionally, process control has operated with a master scheduler (computer) monitoring a number of points in a control grid. As the complexity of today's process control needs grow, the need to process information locally increases....
    Resource Type:
    Masters Thesis
    Full Text:
    control network AN ABSTRACT OF THE THESIS OF Albert L. Baily for the degree of Master of Science in

  • Adaptive dual-loop algorithm for cancellation of time-varying offsets in direct conversion mixers

    Creator:
    Holenstein, Christian
    Abstract:
    The thesis presents a new algorithm and structure that is to be used in conjunction with a specially modified CMOS Gilbert cell mixer to remove time-varying DC offsets in direct conversion receivers. In our approach, the DC offset is detected at the output of the mixer using a dedicated coarse...
    Resource Type:
    Masters Thesis
    Full Text:
    would also like to thank my Minor Professor Un-Ku Moon and Professor Virginia L. Stonick for their

  • Memory optimization for a parallel sorting hardware architecture

    Creator:
    Beyer, Dale A.
    Abstract:
    Sorting is one of the more computationally intensive tasks a computer performs. One of the most effective ways to speed up the task of sorting is by using parallel algorithms. When implementing a parallel algorithm, the designer has to make several decisions. Among the decisions are the algorithm and the...
    Resource Type:
    Masters Thesis
    Full Text:
    thesis, we will investigate the optimization of a hardware implementation of max-min sort. I propose an

  • Passive source tracking from spatially correlated angle-of-arrival data

    Creator:
    Haisch, Hansjoerg
    Abstract:
    This thesis presents a simulation technique for the post-detection of a point-source trajectory in an isotropic, stationary random medium. The two-dimensional source location is estimated from spatially correlated angle-of-arrival data which are collected simultaneously at two sensor positions. We assume that the data are collected at discrete, constant time intervals...
    Resource Type:
    Masters Thesis
    Full Text:
    graduate study. I also thank the other members of my committee J. L. Saugen, T. K. Plant, and 0. A

  • Current-feedthrough cancellation techniques in switched-current circuits

    Creator:
    Lao, Paul A.
    Resource Type:
    Masters Thesis
    Full Text:
    different versions mirror transistors = and 10µm L 2µm of fifth-order lowpass Chebyshev filters were

  • Current-feedthrough cancellation technique for current-mode T/H circuits

    Creator:
    Young, David Y. W.
    Abstract:
    In this paper, an analysis of the clock-feedthrough effects in switched-current (SI)' circuits will be presented. The clock-feedthrough effects caused by the non-ideal characteristic of MOS switches when they are turned off limit the accuracy of the analog track-and-hold (T/H) circuits. A model to analyze and characterize this effect is...
    Resource Type:
    Masters Thesis
    Full Text:
    M. Goodnick, Donald L. Amort, and Don Pierce, for taking time out from their hectic schedules to

  • MOS switched-current biquadratic filters

    Creator:
    Lee, Bor
    Abstract:
    A MOS biquadratic (biquad) filter employing the switched-current technique is reported. The circuit uses current-mode processing which can offer wide bandwidth, low voltage operation, and can be implemented with standard CMOS technology. Examples of lowpass, highpass, and bandpass filters are given which illustrate the synthesis procedures and the versatility of...
    Resource Type:
    Masters Thesis
    Full Text:
    committee members, Dr. James H. Herzog, Dr. Stephen M. Goodnick, and Dr. John L. Nabelek for their time

  • High-performance low-power microprocessor circuits

    Creator:
    Hsu, Steven K.
    Abstract:
    This thesis will discuss two critical components of a digital system -- domino logic styles and flip-flops. In today's microprocessors, both domino logic and flip-flops are essential to high-performance and low-power design. Two new domino logic styles are presented and analyzed, Double Edge Triggered (DET) and Double Data Rate (DDR)...
    Resource Type:
    Masters Thesis
    Full Text:
    , HSPICE simulations show that a DET & DDR 8-bit adder has a maximum throughput of l.6Gops (Giga

  • Analysis and modeling of planar microstrip spiral inductors on lossy substrates

    Creator:
    Lutz, Richard D.
    Abstract:
    The advent of low-cost RFIC's fabricated in Silicon-based technologies has led to the use of monolithic lumped elements which are located on-die. While it is clearly advantageous to have a high degree of integration and thus fewer off chip elements, parasitic losses due to semiconducting substrate effects can be a...
    Resource Type:
    Masters Thesis
    Full Text:
    3.12 Structures for Figs. 3.13 and 3.14 30 3.13 Inductance p.u.l. versus l/w ratio for a conductor

  • An adaptive all-pass filter for decision feedback equalization

    Creator:
    Wiedmann, Ralf
    Abstract:
    Increasing densities on magnetic data storage devices leads to problems of severe intersymbol interference (ISI), additive noise and non-linearities. Advanced detection strategies for magnetic recording channels fall into two categories: partial response equalization with maximum likelihood decoding and decision feedback equalization. This study focuses on doing an adaptive all-pass forward...
    Resource Type:
    Masters Thesis
    Full Text:
    simulations hi (n) is trunctated at both sides to length L leading to an FIR filter 7 100% 50 %­ 0

  • Speech deconvolution using Gaussian pulses

    Creator:
    Asadi, Mohammad Ayman O.
    Abstract:
    This dissertation introduces a new idea for frequency domain deconvolution of speech signals. The idea is to approximate a unit sample by a Gaussian pulse. The deconvolution is performed by designing a glottal inverse filter that will estimate the excitation of the vocal tract. Then, the excitation will be used...
    Resource Type:
    Masters Thesis
    Full Text:
    tract apparatus. In reference [3], written by Flanagan, J. L. et. al., a proper model was found. This

  • A delta-sigma pulse width modulator with pulse dithering

    Creator:
    Lewison, Richard S.
    Abstract:
    Pulse Width Modulation (PWM) has been used extensively for motor control, DC-AC converters, DC-DC converters and in audio applications. The conventional method of generating a pulse width modulated signal involves generating an accurate sawtooth or triangle wave using analog circuits. In CMOS, being analog circuit intensive puts extra constraints on...
    Resource Type:
    Masters Thesis
    Full Text:
    Vdc + Switch Low-pass Filter r 1 L T` Vout L J Vout = Vdc * (Duty Cycle of Switch) R (load

  • A multi-microprocessor debug executive

    Creator:
    Edmonds, Douglas E.
    Abstract:
    The system in this thesis uses multiple Intel iSBC86/12A cards connected to the Intel Multibus. The system was written using the Intel language PLM86. The final result is a low level debug tool that provides the user with the following capabilities: examine/change memory, examine/change processor registers, load a user written...
    Resource Type:
    Masters Thesis
    Full Text:
    DIRECTORY 75 APPENDIX L MMDE LIBRARY SOURCE CODE 77 APPENDIX M BUFMON SOURCE CODE 79 APPENDIX N CPUID

  • Applications of mathematical programming techniques in optimal power flow problems

    Creator:
    Li, Ruqi
    Abstract:
    In the past two decades, a great amount of attention has been paid to investigating the economic and safe operation of power systems using modern mathematical techniques. The classic economic dispatch problem, now often called the Optimal Power Flow problem, has been formulated as a mathematical optimization problem and has...
    Resource Type:
    Masters Thesis
    Full Text:
    if x. < x. < x. J J J J max o max L ( x. x. ) if x. > x. J J J J (4.24) where : . is the jth

  • Computerised dynamic control of an ac dynamometer

    Creator:
    Rodrigues, Terence Keith
    Abstract:
    The Motor Systems Resource Facility (MSRF) at Oregon State University presently conducts a variety of steady state tests on Motors and Generators, with ratings of upto 300Hp.(225kW), using a dynamometer. The dynamometer consists of an induction motor fed by a power electronic converter. A control computer uses a serial link,...
    Resource Type:
    Masters Thesis
    Full Text:
    following control law. f(t) = A * t (while gt) < max value) = max value (otherwise) The parameters to be

  • Active robust control of cable-stayed bridges

    Creator:
    Scheer, Dietmar
    Abstract:
    Long bridges tend to develop large deformations under the action of intense dynamical loads such as wind or earthquakes. Unless these deformations are controlled in some fashion, the structure might suffer damage or even collapse. One possible solution to this problem is to apply external forces to the bridge through...
    Resource Type:
    Masters Thesis
    Full Text:
    ) (2.28) ii.-÷z-L-iy (x) pi (x) *9.( t) dx. 9 (2.29) Equation (2.25) shows that every mode i can be

  • A fuzzy logic controller design and simulation for a sawmill bucking system

    Creator:
    Delgado, Fidel
    Abstract:
    This document investigates, justifies, designs, and simulates the application of a fuzzy logic controller/optimizer in a sawmill bucking system application that is the first production station where stems coming from the mountains are processed in a sawmill. One of the areas of success in the application of fuzzy logic is...
    Resource Type:
    Masters Thesis
    Full Text:
    West ....... 144 Appendix L. Veneer Fuzzy Logic Controller Results for Input Stems with the Large End

  • A high-swing class-AB CMOS operational amplifier

    Creator:
    Yu, Choung
    Abstract:
    A high-swing, high-linearity Class-AB CMOS operational amplifier suitable for high speed application is presented. It does not exhibit large-signal slewing effects as do others; its output current is limited by MOSFET aspect ratios and the total power supply voltage. A rail-to-rail common-mode input range is achieved by a topology which...
    Resource Type:
    Masters Thesis
    Full Text:
    saturation is given by Vin(max) + Vi - V Vn(max) VGS5 DD V. (VT + 2 IVDsmiVin(max) = VDD and the minimum

  • Robust nonlinear decentralized control of robot manipulators

    Creator:
    Jimenez, Ronald, 1964-
    Abstract:
    A new decentralized nonlinear controller for Robot Manipulators is presented in this thesis. Based on concepts of Lyapunov stability theory and some control ideas proposed in [3]-[7], we obtain continuous nonlinear decentralized control laws which guarantee position and velocity tracking to within an arbitrarily small error. Assumptions based on physical...
    Resource Type:
    Masters Thesis
    Full Text:
    ) with z = x - xf, guarantees the satisfaction of inequality (26). Proof: Let a a B Tit L A zTPB[e

  • Turbo-coded OCC-CDMA with spatial diversity for wireless mobile communications

    Creator:
    Tjahjadi, Aldo
    Abstract:
    Turbo codes have been used successfully for error correction in digital communications, however, their application to wireless mobile communications is still a fresh research topic. The objective of this thesis is to present a new solution that involves the usage of turbo codes, spatial diversity, and orthogonal complementary codes in...
    Resource Type:
    Masters Thesis
    Full Text:
    .......................... 28 2.4.3 Max-log-MAP and Log-MAP ........................................ 29 2.5 PERFORMANCE

  • Instrumentation system for high speed data sampling of electrical machinery

    Creator:
    Brisbine, Glen Edward
    Abstract:
    The objective of this thesis is to develop criteria for a data acquisition system for electrical machinery capable of sampling a signal every 0.2 msec with a desired accuracy of 0.1%. The system to be measured includes both AC and DC voltage and current signals from several points. The main...
    Resource Type:
    Masters Thesis
    Full Text:
    also like to acknowledge the willing assistance and advice given during the summer by Professor L. C

  • ASIC design and implementation of a parallel exponentiation algorithm using optimized scalable Montgomery multipliers

    Creator:
    Kurniawan, Budiyoso
    Abstract:
    Modular exponentiation and modular multiplication are the most used operations in current cryptographic systems. Some well-known cryptographic algorithms, such as RSA, Diffie-Hellman key exchange, and DSA, require modular exponentiation operations. This is performed with a series of modular multiplications to the extent of its exponent in a certain fashion depending...
    Resource Type:
    Masters Thesis
    Full Text:
    ........................................................... 60 4.4.1. Analysis for kernel design for N = 160 bits and max area of 26,500 gates

  • Cursive script recognition using a dynamic time warping method

    Creator:
    Koehler, Loren M.
    Abstract:
    This thesis is concerned with the problem of achieving accurate recognition rates for Cursive Script Recognition (CSR). Cursive Script Recognition is difficult due to writer variations such as script formation and time non-linearities. This research entailed analysis and implementation of a Cursive Script word-level Recognition system using Dynamic Time Warping...
    Resource Type:
    Masters Thesis
    Full Text:
    script could be scaled either up or down in size in the X orientation as required. SCALING DOWN: max _x

  • Fuzzy logic control of an inverted pendulum with vision feedback

    Creator:
    Holzapfel, Frank G.
    Abstract:
    Recent technical progress has made new forms of controller implementations on computers possible. Especially the technique of Fuzzy Logic Control has found a growing number of applications. Also the development of fast A/D converters has made the acquisation of data with vision based systems possible. In this project we combine...
    Resource Type:
    Masters Thesis
    Full Text:
    INTRODUCTION REVIEW OF LITERATURE 3 Fuzzy Systems 3 Fuzzyfication 4 Max-Min Composition 5

  • A substrate noise coupling model for lightly doped CMOS processes

    Creator:
    Sadate, Aline C.
    Abstract:
    This thesis presents a design-oriented model for lightly doped CMOS substrates. The model predicts the substrate noise coupling between noisy digital and sensitive analog blocks in the early stages of the design. The model scales with the size and separation of these blocks and it is validated with device simulations...
    Resource Type:
    Masters Thesis
    Full Text:
    LINES i .....,vs. h._ .. ,.,... ,{F..... a>aL 11- - Jr_ :L. J y _ . EFi%?aj, J._.d1= 20. 40 BQ 80 100

  • Prediction of phase noise and jitter in ring oscillators

    Creator:
    Barton, Nathen
    Abstract:
    This thesis presents distinctly different methods of accurately predicting phase noise and absolute jitter in ring oscillators. The phase noise prediction methods are the commercially available SpectreRF and isf_tool, a simulator developed in this work from the Hajimiri and Lee theory of phase noise. Absolute jitter due to deterministic supply...
    Resource Type:
    Masters Thesis
    Full Text:
    Phase Noise 53 4.1.1. Three H&L series oscillators 54 4.1.2. Distributed oscillator layout 54 4.1.3

  • Interpolation-based digital quadrature frequency synthesizer

    Creator:
    Larson, Ryan John
    Abstract:
    Traditionally sinusoidal signal generation has been implemented with purely analog circuits such as phase-locked loops. The alternative of using a digital system to perform this signal generation has previously been unattractive due to limitations in clock frequency and size. However, recent advancements in sub-micron fabrication techniques have made the digital...
    Resource Type:
    Masters Thesis
    Full Text:
    transmission line effects between nearby interconnecting networks are more Vg Vd Cgs Vs CSb l

  • Equalizer design for MDFE channels using nonlinear optimization

    Creator:
    Onu, Dan
    Abstract:
    Decision feedback equalization (DFE) is a sampled-data technique used for data recovery in digital communications channels. Multi-level decision feedback equalization (MDFE) has been developed for channels using the 2/3(1,7) RLL code. The optimum detector for a digital communication channel affected by ISI and noise consists of a matched filter, followed...
    Resource Type:
    Masters Thesis
    Full Text:
    equalized magnetic channels. The low-pass filter L(s) has its corner frequency as a parameter. The noise

  • Nonuniformly coupled microstrip transversal filters for analog signal processing

    Creator:
    Hayden, Leonard.
    Abstract:
    An analog signal processing technique allowing arbitrary step response is presented. A transversal structure is used with nonuniform contradirectional coupling to provide continuous tapping. Sinusoidal and chirp responses are presented as examples implemented using this nonuniformly coupled microstrip structure.
    Resource Type:
    Masters Thesis
    Full Text:
    of the network. With a variable change L (8).,; d In Z dz dz 0 Using the TEM approximation of

  • Design and evaluation of on-line arithmetic modules and networks for signal processing applications on FPGAs

    Creator:
    Galli, Reto
    Abstract:
    Several papers propose the use of on-line arithmetic for signal processing applications implemented on FPGAs. Although those papers provide reasonable arguments for the use of on-line arithmetic, they give only inadequate or incomplete comparisons of the proposed on-line designs to other state of the art solutions on FPGAs. In this...
    Resource Type:
    Masters Thesis
    Full Text:
    . and SM representation of signe(l-digit 5 2.1 Intervals to choose the selection constants of the ol

  • Reliability and hot-electron effects in analog and mixed-mode circuits

    Creator:
    Ge, David Ying
    Abstract:
    Reliability of sub-micron analog circuits is directly related to impact ionization and the subsequent changes in threshold voltage and drain current of n-MOSFET devices. This thesis presents theory of the hot-electron effects on the device characteristics and circuit performance, explores several approaches to improve performance at both the device and...
    Resource Type:
    Masters Thesis
    Full Text:
    -0.5 -1.0 Stress Co NA/OS; di -4­ : SLI & Vgs= Max) =-0.490 MA L Idsso= 8 50/1

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

    Creator:
    Pattamatta, Srinivas V.
    Resource Type:
    Masters Thesis
    Full Text:
    3.2: Value of the Capacitances 22 Table 3.3: Transistor sizes for 1b l. 29 Table 3.4: Transistor

  • A hierarchically organized microprocessor system for motor position control

    Creator:
    Liu, Dongtai
    Abstract:
    Accurate Position Control is an important technique in robotic engineering. The working environment of robotic systems presents special requirements for position control. The scope of this study is to explore the control algorithms of a digital, hierarchical position control system. Detailed analysis and simulation show that the system can be...
    Resource Type:
    Masters Thesis
    Full Text:
    encouragement and guidance throughout this study. I appreciate the help of Professors L. C. Jensen, G. C

  • Sensitivity analysis and architectural comparison of narrow-band sharp-transition digital filters

    Creator:
    Kulkarni, Satish S.
    Abstract:
    Due to advances in high-density low-cost VLSI and communication technology, digital filtering and signal processing are being widely used for real-time signal processing applications. Given the filter specification, choosing the best filter structure for a given application is not a trivial task. The choice of a particular filter structure depends...
    Resource Type:
    Masters Thesis
    Full Text:
    {bk} are real-valued parameters. The total number of sections are K = L (M + 1) /2_1, where Lx j is

  • Phase noise models for single-ended ring oscillators

    Creator:
    Godbole, Devavrata
    Abstract:
    The tremendous growth of wireless and mobile communications has resulted in placing of stringent requirements on the channel spacing and, by implication, on the phase noise of oscillators, typically mandating the use of passive LC oscillators with high quality factor (Q). However the trend towards large-scale integration and low cost...
    Resource Type:
    Masters Thesis
    Full Text:
    ~ c: 0Q) '"::;: E E -20 Adjacent Channel Users u Q) Co (f) ;;; -40 ~ I 0 (L -60 -80

  • A study of the photoresponse of semi-insulating gallium arsenide

    Creator:
    Schumm, Gerhard
    Abstract:
    The photoresponse behavior of semi-insulating GaAs is investigated. The photocarrier lifetime is discussed and the influence of surface and contact recombination is taken into account. Photocurrent-voltage characteristics have been measured and a mechanism for the gain in terms of space charge amplification and avalanching is suggested. The influence of deep...
    Resource Type:
    Masters Thesis
    Full Text:
    or rmax max 1 2 1 2 (1 (1 V + ) + -11) 1-1 (9a) (9b) 8 in the linear mobility region

  • Content-based color image retrieval

    Creator:
    Varanguien de Villepin, Audrey
    Abstract:
    A fully automated method for content-based color image retrieval is developed to extract color and shape content of an image. A color segmentation algorithm based on the k-mean clustering algorithm is used and a saturated distance is proposed to discriminate between two color points in the HSV color space. The...
    Resource Type:
    Masters Thesis
    Full Text:
    . ................................................................................................. l 1.2 Approach

  • A DAC and comparator for a 100MHz decision feedback equalization loop

    Creator:
    Engelbrecht, Linda M.
    Abstract:
    Decision Feedback Equalization (DFE) in a data recovery channel filters the bit decision in the current symbol period in generating the sample at the comparator in the subsequent clock period. The operations of sampling, comparing, filtering the decision bits into a feedback signal, and subtraction of that feedback signal are...
    Resource Type:
    Masters Thesis
    Full Text:
    (pk se) + 870,uA common-mode (cm) = 1490,uA max. -620M peak se + 870,uA cm = 250 NA min. iffoffn 1240

  • Theoretical and experimental investigations of FSK data transmission in the noise and interference environment of broadband two-way cable television systems

    Creator:
    Anderson, Harry R.
    Abstract:
    Two-way transmission of data on broadband community cable television systems is considered in this thesis. A discussion of the data transmission environment is presented which attempts to characterize the channel noise and interference which degrades data transmission performance. The analysis considers channel degradation resulting from additive gaussian noise and various...
    Resource Type:
    Masters Thesis
    Full Text:
    1--1Home or L--Jother signal destination 00 9 band is typically 5 to 30 MHz. The 30 to 50 MHz