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 9 of 9 for “"linear code"”.
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The design of binary shaping filter of binary code
… the total throughput, it is required that the codebook has an empirical distribution that maximizes the mutual information over the channel. In coding theory, however, most codes we can generate have Bernoulli (1/2) distribution. In this thesis, we present a new coding scheme to efficiently …
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Nonlinear ultrasonic guided waves for quantitative life prediction of structures with complex geometries
… of these nascent cracks leads to non-linear elastic response of the material. These non-linearities can be detected from harmonic generation for propagating elastic waves. The long term goal of this study is to investigate the non-linear elastic propagation in parts with complex …
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Optimal Codes and Entropy Extractors
… from a thorough analysis of known bounds on code parameters and a study of the properties of Hadamard codes. We find of particular interest the Griesmer bound, which is a strong result known to be true only for linear codes. We try to extend it to all codes, and we can determine many …
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Message Passing Algorithms for Statistical Estimation and Communication
… singular vectors from a small number of linear measurements (sketch). We propose a sketching scheme and an algorithm that can recover the singular vectors with high probability, with sample- and time-complexity both depending only on *k* and not on the ambient dimensions *n*<sub>1</sub> …
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Error Correcting Codes and the Human Genome.
<p>In this work, we study error correcting codes and generalize the concepts with a view toward a novel application in the study of DNA sequences. The author investigates the possibility that an error correcting linear code could be included in the human genome through application and research. The …
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A Time-Domain Numerical Study of Passive and Active Anti-Roll Tanks to Reduce Ship Motions
… moving across the ship was used to model the non-linear effects of the tank systems in various computer simulation environments. PID control of the mass position was used for the active tank (pump) systems and a vibration absorber was used for the passive tank systems. A single-degree-of-freedom …
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Graceful codes : fundamental limits and constructions
… from noisy observations Error correcting codes are means of adding redundancy to the data to enable better recovery Most commonly, codes are designed to recover data in a regime where the statistics of the noise are kept constant In a number of applications, however, it is required that …
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Automorphism groups of self-dual codes
This thesis treats linear block codes, which are classically used in the storage and transmission of digital information. The dual of such a code is the orthogonal space with respect to a Euclidian or Hermitian scalar product. A code which equals its dual is called self-dual. Self-dual codes are of …
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A digital interface for wireless networks
… gap of $O(M \log M)$ bits. Moreover, a simple linear network code is a near-optimal coding strategy for the discrete relay network, achieving all rates within $O(M^2)$ bits of its cut-set bound, where the bound is independent of channel gains or SNR. The linear code can be used as-is on the …