Dissertations / Theses on the topic 'Analog VLSI'
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Blum, Richard Alan. "An analog VLSI centroid imager." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/14826.
Full textMorris, Tonia Gay. "Analog VLSI visual attention systems." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/15010.
Full textBenson, Ronald Gary Hopfield John J. "Analog VLSI supervised learning system /." Diss., Pasadena, Calif. : California Institute of Technology, 1994. http://resolver.caltech.edu/CaltechETD:etd-06152004-095124.
Full textWee, Keng Hoong. "An analog VLSI vocal tract." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43053.
Full textIncludes bibliographical references (p. 165-168).
Increasingly, circuit models of biology are being used to improve performance in engineering systems. For example, silicon-cochlea-like models have led to improved speech recognition in noise and low-power cochlear-implant processors for the deaf. A promising approach to improve the naturalness of synthetic speech is to exploit bioinspired models of speech production with low bit-rate control parameters. In this work, we present the first experimental integrated-circuit vocal tract by mapping fluid volume velocity to current, fluid pressure to voltage, and linear and nonlinear mechanical impedances to linear and nonlinear electrical impedances. The 275 jW analog vocal tract chip can be used with auditory processors in a feedback speech locked loop to implement speech recognition that is potentially robust in noise. Our use of a physiological model of the human vocal tract enables the analog vocal tract chip to synthesize speech signals of interest, using articulatory parameters that are intrinsically compact and linearly interpolatable. Previous attempts that take advantage of the powerful analysis-by-synthesis method employed computationally expensive approaches to articulatory synthesis using digital computation. Our strategy uses an analog vocal tract to drastically reduce power consumption, enables real-time performance and could be useful in portable speech processing systems of moderate complexity, e.g., in cell phones, digital assistants and bionic speech-prosthesis systems.
by Keng Hoong Wee.
Ph.D.
Shiraishi, Hisako. "Design of an Analog VLSI Cochlea." University of Sydney. Electrical and Information Engineering, 2003. http://hdl.handle.net/2123/556.
Full textMurphy, Chad Douglas. "Implementing anisotropic diffusion using analog VLSI." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0018/MQ48284.pdf.
Full textXing, Nianwei. "Measuring optical flow using analog VLSI." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2002. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63569.pdf.
Full textWatts, Lloyd Mead Carver. "Cochlear mechanics : analysis and analog VLSI /." Diss., Pasadena, Calif. : California Institute of Technology, 1993. http://resolver.caltech.edu/CaltechETD:etd-07022004-115127.
Full textKoosh, Vincent F. Goodman Rodney. "Analog computation and learning in VLSI /." Diss., Pasadena, Calif. : California Institute of Technology, 2001. http://resolver.caltech.edu/CaltechETD:etd-10022001-201911.
Full textWilson, Denise M. "Analog VLSI architecture for chemical sensing microsystems." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/13322.
Full textMortara, Alessandro. "Communication techniques for analog VLSI perceptive systems /." [S.l.] : [s.n.], 1995. http://library.epfl.ch/theses/?nr=1329.
Full textGulino, Fabio G. "Consistency-enhanced anisotropic diffusion in analog VLSI." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63520.pdf.
Full textTavakoli, Dastjerdi Maziar 1976. "Analog VLSI circuits for inertial sensory systems." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86766.
Full textIncludes bibliographical references (leaves 67-68).
by Maziar Tavakoli Dastjerdi.
S.M.
Huang, Shu-Chuan. "Systematic design solutions for analog VLSI circuits /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487850665560538.
Full textDalloul, Nizar M., and Elie J. Baghdady. "MODELS OF ANALOG VLSI LOW-NOISE MULTIPLIERS." International Foundation for Telemetering, 1986. http://hdl.handle.net/10150/615392.
Full textThe class of Steerable Localized Injection Multipliers (SLIM) is known to be of high speed with least self-noise among all known analog multiplication techniques, and to be highly suited for VLSI implementation. SLIM design with predictable bounds on multiplication error due to intrinsic circuit noise requires valid noise generation modeling. Two models of SLIM noise sourcing are formulated: a small-signal model and a largesignal model. These noise models were simulated using SPICE to determine the power spectral density of SLIM output noise. The output power spectral density was shown to be flat over the frequency range up to 100MHZ, in agreement with prior experimental results.
Dugger, Jeffery Don. "Adaptive Analog VLSI Signal Processing and Neural Networks." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/5294.
Full textBridges, Seth. "Low-power visual pattern classification in analog VLSI /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/6984.
Full textMoini, Alireza. "Synthesis of biological vision models using analog VLSI /." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phm712.pdf.
Full textPedroni, Volnei A. Yariv Amnon Yariv Amnon. "VLSI systems for analog and Hamming parallel computation /." Diss., Pasadena, Calif. : California Institute of Technology, 1995. http://resolver.caltech.edu/CaltechETD:etd-10172007-153538.
Full textTavakoli, Dastjerdi Maziar 1976. "An analog VLSI front end for pulse oximetry." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36184.
Full textIncludes bibliographical references (p. 210-216).
Pulse oximetry is a fast, noninvasive, easy-to-use, and continuous method for monitoring the oxygen saturation of a patient's blood. In modem medical practice, blood oxygen level is considered one of the important vital signs of the body. The pulse oximeter system consists of an optoelectronic sensor that is normally placed on the subject's finger and a signal processing unit that computes the oxygen saturation. It uses red and infrared LEDs to illuminate the subject's finger. We present an advanced logarithmic photoreceptor which takes advantage of techniques such as distributed (cascaded) amplification, automatic loop gain control, and parasitic capacitance unilateralization to improve the performance and ameliorate certain shortcomings of existing logarithmic photoreceptors. These improvements allow us to reduce LED power significantly because of a more sensitive photoreceptor. Furthermore, the exploitation of the logarithmic nonlinearity inherent in transistors eliminates the need of performing some of the mathematical operations which are traditionally done in digital domain to calculate oxygen saturation and allows for a very area-efficient all-analog implementation. The need for an ADC and a DSP is thus completely eliminated.
(cont.) We show that our analog pulse oximeter constructed with red and infrared LEDs and our novel photoreceptor at its front end consumes 4.8mW of power whereas a custom-designed ASIC digital implementation (employing a conventional linear photoreceptor) and the best commercial pulse oximeter are estimated to dissipate 15.7mW and 55mW, respectively. The direct result of such power efficiency is that while the batteries in this commercial oximeter need replacement every 5 days (assuming four "AAA" 1.5V batteries are used), our analog pulse oximeter allows 2 months of operation. Therefore, our oximeter is well suited for portable medical applications such as continuous home-care monitoring for elderly or chronic patients, emergency patient transport, remote soldier monitoring, and wireless medical sensing.
by Maziar Tavakoli Dastjerdi.
Ph.D.
Motamed, Ali. "Low-voltage analog VLSI circuits and signal processing /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942182325593.
Full textKörner, Tim. "Analog VLSI implementation of a local cluster neural net /." Paderborn : HNI, 2000. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015378431&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Full textAthreya, Jayantha Krishna V. "An analog VLSI architecture for image smoothing and segmentation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0028/MQ39633.pdf.
Full textTung, Kenny W. L. Carleton University Dissertation Engineering Electronics. "A technique for on-chip analog VLSI circuit testing." Ottawa, 1993.
Find full textDelbrück, Tobias Mead Carver. "Investigations of analog VLSI visual transduction and motion processing /." Diss., Pasadena, Calif. : California Institute of Technology, 1993. http://resolver.caltech.edu/CaltechETD:etd-07022004-144710.
Full textLeonard, Jason 1976. "Analog VLSI implementation of synaptic modification in realistic neurons." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/47903.
Full textIncludes bibliographical references (p. 79).
An analog VLSI implementation of synaptic modification in realistic neurons is presented. The implementation uses CMOS integrated circuit technology to emulate the electrical behaviors of the neuron membrane, dendrite, and synapse, using principles based on the actual biology. The synapse circuitry includes a mechanism for the modification of the synaptic conductance. The circuits were simulated, layed out, and submitted for fabrication.
by Jason Leonard.
S.M.and M.Eng.
Zarabadi, Seyed Ramezan. "Design of analog VLSI circuits in BICMOS/CMOS technology /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487777170407338.
Full textTo, Hing-yan. "Statistical Analysis and Design Techniques for Analog VLSI Circuits /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487928649989917.
Full textBragg, Julian Alexander. "A biomorphic analog VLSI implementation of a mammalian motor unit." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/20693.
Full textPeiris, Vincent. "Mixed analog digital VLSI implementation of a Kohonen neural network /." [S.l.] : [s.n.], 1994. http://library.epfl.ch/theses/?nr=1295.
Full textRasche, Christoph Albrecht. "Analog VLSI circuits for emulating computational features of pyramidal cells /." [S.l.] : [s.n.], 1999. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13268.
Full textGedra, David R. "Design of a VLSI charge-coupled device analog delay line." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA296475.
Full textJangkrajarng, Nuttorn. "Analog/RF VLSI layout generation : layout retargeting via symbolic template /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/6084.
Full textQumsieh, Ala. "An analog VLSI implementation of an attention-based saccade generator." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/MQ44036.pdf.
Full textMcQuirk, Ignacio Sean. "An Analog VLSI Chip for Estimating the Focus of Expansion." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/6771.
Full textHaas, Alfred M. "Analog VLSI circuits for biosensors, neural signal processing and prosthetics." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9175.
Full textThesis research directed by: Dept. of Electrical and Computer Engineering . Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Monzon, Joshua Jen C. "Analog VLSI circuit design of spike-timing-dependent synaptic plasticity." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/54636.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 61-63).
Synaptic plasticity is the ability of a synaptic connection to change in strength and is believed to be the basis for learning and memory. Currently, two types of synaptic plasticity exist. First is the spike-timing-dependent-plasticity (STDP), a timing-based protocol that suggests that the efficacy of synaptic connections is modulated by the relative timing between presynaptic and postsynaptic stimuli. The second type is the Bienenstock-Cooper-Munro (BCM) learning rule, a classical ratebased protocol which states that the rate of presynaptic stimulation modulates the synaptic strength. Several theoretical models were developed to explain the two forms of plasticity but none of these models came close in identifying the biophysical mechanism of plasticity. Other studies focused instead on developing neuromorphic systems of synaptic plasticity. These systems used simple curve fitting methods that were able to reproduce some types of STDP but still failed to shed light on the biophysical basis of STDP. Furthermore, none of these neuromorphic systems were able to reproduce the various forms of STDP and relate them to the BCM rule. However, a recent discovery resulted in a new unified model that explains the general biophysical process governing synaptic plasticity using fundamental ideas regarding the biochemical reactions and kinetics within the synapse. This brilliant model considers all types of STDP and relates them to the BCM rule, giving us a fresh new approach to construct a unique system that overcomes all the challenges that existing neuromorphic systems faced. Here, we propose a novel analog verylarge- scale-integration (aVLSI) circuit that successfully and accurately captures the whole picture of synaptic plasticity based from the results of this latest unified model. Our circuit was tested for all types of STDP and for each of these tests, our design was able to reproduce the results predicted by the new-found model. Two inputs are required by the system, a glutamate signal that carries information about the presynaptic stimuli and a dendritic action potential signal that contains information about the postsynaptic stimuli. These two inputs give rise to changes in the excitatory postsynaptic current which represents the modifiable synaptic efficacy output. Finally, we also present several techniques and alternative circuit designs that will further improve the performance of our neuromorphic system.
by Joshua Jen C. Monzon.
M.Eng.
Dron, Lisa Glitsch 1956. "Computing 3-D motion in custom analog and digital VLSI." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/37745.
Full textRobinson, David Lyle. "Automatic Synthesis of VLSI Layout for Analog Continuous-time Filters." PDXScholar, 1995. https://pdxscholar.library.pdx.edu/open_access_etds/4913.
Full textDalloul, Nizar M., and Elie J. Baghdady. "A SURVEY AND COMPARISON OF MULTIPLICATION TECHNIQUES FOR ANALOG VLSI." International Foundation for Telemetering, 1986. http://hdl.handle.net/10150/615391.
Full textThis paper addresses the problem of analog multiplication for analog VLSI implementation, with particular emphasis on multiplication accuracy (low intrinsic noise) and speed. High-speed low noise analog multiplication for analog VLSI has very important implications in analog signal processing, signal generation, signal detection and ultra precise frequency and phase control. The various candidate multiplier mechanisms and circuits proposed todate are surveyed and a comprehensive comparison of them developed, leading to the conclusion that the Steerable Localized Injection Multiplier (SLIM) holds the greatest promise for low noise and high speed analog VLSI multiplication.
De, Guzman Ethan Paul Palisoc. "Energy Efficient Computing using Scalable General Purpose Analog Processors." DigitalCommons@CalPoly, 2021. https://digitalcommons.calpoly.edu/theses/2305.
Full textDickson, Jeffrey Allen Goodman Rodney. "Integration of analog VLSI and thin films for chemical sensing arrays /." Diss., Pasadena, Calif. : California Institute of Technology, 1999. http://resolver.caltech.edu/CaltechETD:etd-02062008-131420.
Full textBADAOUI, RAOUL. "APPROACHES FOR PARASITIC-INCLUSIVE SYMBOLIC CIRCUIT REPRESENTATION AND EXTRACTION FOR SYNTHESIS." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1132193275.
Full textSivilotti, Massimo Antonio Mead Carver. "Wiring considerations in analog VLSI systems, with application to field-programmable networks /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-07122007-134330.
Full textKhachab, Nabil Ibrahim. "Analog CMOS nonlinear cells and their applications in VLSI signal and information processing /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu148768520496624.
Full textAluru, Gunasekhar. "Exploring Analog and Digital Design Using the Open-Source Electric VLSI Design System." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849770/.
Full textKANKIPATI, SUNDER RAJAN. "MACRO MODEL GENERATION FOR SYNTHESIS OF ANALOG AND MIXED SIGNAL CIRCUITS." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1077297705.
Full textPradhan, Almitra. "Accurate Analog Synthesis Based On Circuit Matrix Models." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1258661691.
Full textHwang, Changku. "A universal approach to the design of low voltage constant-gm analog VLSI circuits /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu148793595884748.
Full textHung, Chung-Chih. "Low voltage, low power CMOS analog circuit design techniques for mobile, portable VLSI applications /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487943341527253.
Full text