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.
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Showing 1 to 20 of 1683 for “"Signal Processing"”.
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Competitive Signal Processing
Finally, we conclude the thesis by investigating the competitive prediction problem in a probabilistic setting. Here we investigate a particular algorithm and show that this algorithm is universal such that it asymptotically achieves the performance of the best predictor for Gaussian AR sources …
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Quantum signal processing
Quantum signal processing (QSP) as formulated in this thesis, borrows from the formalism and principles of quantum mechanics and some of its interesting axioms and constraints, leading to a novel paradigm for signal processing with applications in areas ranging from frame theory, quantization and …
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Distributed signal processing
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Signal Processing in Bacterial Chemotaxis
… localized 1) the site of ATP utilization in the signal transduction pathway of bacterial chemotaxis and 2) the point of convergence of the methylation-independent systems of chemotaxis with the methylation-dependent system. The site of ATP utilization was localized at the CheY protein/switch …
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Topics in Genomic Signal Processing
Genomic information is digital in its nature and admits mathematical modeling in order to gain biological knowledge. This dissertation focuses on the development and application of detection and estimation theories for solving problems in genomics by describing biological problems in mathematical …
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Adaptive multiscale biological signal processing
… of them being accompanied by or manifested as signals that reflect their essential characteristics and qualities. The development of diagnostic techniques based on signal and image acquisition from the human body is commonly retained as one of the propelling factors in the advancements in …
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Error -Tolerant Digital Signal Processing
… problem of reliable and energy-efficient digital signal processing (DSP) systems. We present a general framework for deep submicron (DSM) noise/soft error-tolerance and provide its energy-distortion analysis. We introduce a novel algorithmic noise tolerance (ANT) technique referred to as reduced …
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Conservation in signal processing systems
… potential opportunity in developing a cohesive signal processing framework within which to view these principles. This thesis makes progress toward that goal, providing a unified treatment of a class of conservation principles that occur in signal processing systems. The main contributions in …
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Parallel signal-processing for everyone
We designed, implemented, and evaluated a signal-processing environment that runs on a general-purpose multiprocessor system, allowing easy prototyping of new algorithms and integration with applications. The environment allows the composition of modules implementing individual signal-processing …
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Signal processing for DNA sequencing
… calling: it is the conversion of the electrical signal-the electropherogram--collected by the sequencing equipment to a sequence of letters drawn from ( A,TC,G ) that corresponds to the sequence in the molecule sequenced. This work formulates the problem as a pattern recognition problem, and …
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Signal Processing In Single Molecule Studies
In this dissertation, I present signal processing techniques used in investigating single molecule kinetics and interactions. The first chapter provides an overview of signals and systems pertaining to single molecule studies. It discusses the need for signal processing, and gives a summary of …
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Localized Kernel Methods for Signal Processing
<p>This dissertation presents two signal processing methods using specially designed localized kernels for parameter recovery under noisy condition. The first method addresses the estimation of frequencies and amplitudes in multidimensional exponential models. It utilizes localized trigonometric …
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Signal processing techniques for ultrasonic inspection
… welded plates. Some suggestions are given using signal processing methods. Chapter 2 treats the need for nondestructive testing as seen in the light of economy and safety. A short review of present day techniques in nondestructive testing is also given. The special problems using ultrasonic …
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Signal processing in a loudspeaking telephone
… telephone (LST) is that, using analogue processing, duplex transmission is limited to low-loss lines and produces a low acoustic output. An architectural for an instrument has been developed and tested, which uses digital signal processing to provide duplex transmission between a LST and …
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Low-Power Reconfigurable Digital Signal Processing
We present a design methodology for low-power communication systems. This is based on the concept of DAT and intellectual property (IP) core generators. Energy-optimum parameters are obtained via DAT, and are fed into IP core generators, which generate a synthesizable VHDL description of the IP …
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Signal Processing Issues in Reflection Tomography
In lidar imaging of underwater objects, we formulate the problem as a 3-D tomographic reconstruction problem. We have developed software to simulate lidar returns at airborne receivers using the bistatic lidar return equations. Our simulator can model multiple scattering and absorption for various …
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Topics in Robust Statistical Signal Processing
… addresses several problems in robust signal processing. The term "robust" in this context implies insensitivity to small deviations from the assumed statistical description of the signal and/or noise.
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Circuits for time-domain signal processing
… domains. In this dissertation, circuits for processing the signal in the time-domain are explored where faster MOS transistors with improved timing accuracy are used to implement high precision scalable analog functions with lower power consumption. First, a wide dynamic range highly linear …
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Signal processing for high-definition television
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1995.
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Polynomial decomposition algorithms in signal processing
… has not been significantly utilized in signal processing. This thesis studies the sensitivities of polynomial composition and decomposition to explore their robustness in potential signal processing applications and develops effective polynomial decomposition algorithms to be applied in …
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