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 15971 for “"Correlation"”.
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Correlation tracking
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1980.
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Distributed correlation generators
We study the problem of distributed correlation generators wherein n parties wish to simulate unbounded samples from a joint distribution D = Di x D2 X ... x D[subscript n], once they are initialized using randomness sampled from a (possibly different) correlated distribution. We wish to ensure …
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Correlation of solvolysis rates
Thesis (Ph.D.) Massachusetts Institute of Technology. Dept. of Chemistry, 1952.
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Beta-Gamma Directional Correlation Measurements
… of R2 in the direction ->k2 will show a definite correlation with ->k1. In beta - gamma angular correlation studies a radioisotope emits in rapid succession a beta particle followed by a gamma-ray. The relative probability that the gamma-ray is emitted into the solid angle of a movable detector at …
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Correlation of Osteoporosis and Obesity
… pedigrees. I first evaluated the Pearson correlation, then dissected the phenotypic correlations into genetic and environmental components with bone mass unadjusted or adjusted for body weight (to control for its mechanical loading effects on bone mass). I discovered that in both Chinese …
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The development of correlation log
… A new development in acoustic logs is the correlation log. The correlation log can measure absolute speed at much greater depths than can the Doppler log. This is because it utilises a wide beam pointing vertically at the sea bed. The.wide beam permits a low operating frequency to be used …
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Slurry flowmetering using correlation techniques
… Africa. An alternative flowmeter based on cross-correlation techniques is thus proposed. Random signals generated by the flowing fluid are measured at two points a known distance apart in the direction of the flow. Assuming that this distance is not "too" large, the downstream signal is a …
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High performance digital volume correlation
… to a three-dimensional (3D) digital volume correlation (DVC) algorithm, which measures displacement and strain fields throughout the interior of a material. Our goal is to perform DVC with resolution comparable to that achieved in 2D digital image correlation, in time that is commensurate …
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Clinicopathological correlation in erythema induratum
Background - Erythema induratum (EI) is a reactive disorder to mycobacterium tuberculosis infection, a diagnosis not to be missed. Erythema nodosum (EN) is the main clinical differential of EI, but a distinctly different pathological condition that can be difficult to distinguish from EI. Methods – …
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Correlation detection using stored signals
Thesis (Sc.D.) Massachusetts Institute of Technology. Dept. of Electrical Engineering, 1953.
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Alternative risk management: correlation and complexity
… studied extensively, using the equal-time cross-correlation matrix. These Complex Systems are characterised by events such as Market Crashes or Seizures, which are associated with periods of hypersynchronisation. In this Thesis, the Risk Characterisation and Reduction of Complex Systems is …
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STRUCTURAL INFLUENCES ON INTENSITY INTERFEROMETRY CORRELATION
… (based on quantum mechanics) of photon correlations. Optical Ray-tracing and Finite Element Analyses were thereafter integrated to answer this question: how would the correlation of the intensity field change as a large light weight reflective structure deforms? Analytical models based …
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Network identification via multivariate correlation analysis
… issue, a statistical method based on Pearson’s correlation coefficient was proposed. The former inherits the versatility of the latter, declined in a general applicability to any kind of system and the capability to evaluate cross–correlation of time series pairs both simultaneously and at …
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Canonical Correlation Analysis for Longitudinal Data
… of these data is usually done using a canonical correlation analysis (CCA). Occurrence of these data at multiple occasions or conditions leads to longitudinal multivariate data for a CCA. We address the problem of canonical correlation analysis on longitudinal data when the data have a Kronecker …
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Correlation Between Immediate Hypersensitivity and Gingivitis
Bacterial plaque has been implicated as the primary etiologie factor in inflammatory periodontal disease. The most direct evidence comes from such studies as those by Loe, Theilade, and Jensen, who examined the production of gingival inflammation in healthy adults who stopped toothbrushing and …
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Uranium plant identification using correlation methods
… identification of an uranium plant using on-line correlation techniques is described. Generation and properties of pseudorandom ternary m-sequences are discussed, particular attention being given to selection of a suitable sequence for testing a system. The geometry and control policy of the …
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Locational Spread Options with Stochastic Correlation
Contrary to the common assumption, the correlation between financial derivatives may not be constant across time. This thesis analyses the role of stochastic correlation in modeling for locational spread options for natural gas. We first derive a model with Ornstein–Uhlenbeck process between two …
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