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 17120 for “"target"”.
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Ship target recognition
In this report the classification of ship targets using a low resolution radar system is investigated. The thesis can be divided into two major parts. The first part summarizes research into the applications of neural networks to the low resolution non-cooperative ship target recognition problem. …
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Coordinated UAV Target Assignment Using Distributed Calculation of Target-Task Tours
… to vehicles in multiple-vehicle, multiple-target scenarios through the use of more effective preplanned tours. Effective allocation of vehicles to targets requires knowledge of both the team objectives and the contributions that individual vehicles can make toward accomplishing team goals. …
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Identification of Relaxin-Target Tissues and Target Cells in the Pig
… may therefore mediate relaxin's effects in its target tissues of pigs.
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Thick target pixe analysis
… governing the X-ray yield production in thick targets by charged particles was investigated and matrix correction factors (MCF) were calculated for a wide variety of materials including values for all pure non-gaseous elements or their compounds for the Kα and Lα X-ray lines. These factors were …
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Unsupervised maritime target detection
The unsupervised detection of maritime targets in grey scale video is a difficult problem in maritime video surveillance. Most approaches assume that the camera is static and employ pixel-wise background modelling techniques for foreground detection; other methods rely on colour or thermal …
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Tracking an underwater target
… ASV. The AUV is modeled as a single point target and follows four different common trajectories: a straight line, a line with a delayed start, a simple turn and a lawnmower configuration.
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Proportional navigation target tracking
… navigation model, which is not found in previous target models, is the end goal or destination constraint inherent in the proportional navigation guidance law: the anti-ship missile's goal is to strike ownership; the proportional navigation trajectory always passes through the origin. Because of …
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Search for a Moving Target
… model of a discrete sequential search for a target moving in discrete space is given. The model is based on a Bayesian updating algorithm giving successive probability distributions of target position at intervals throughout the search. Updating allows for target movement and for negative …
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Target Tracking Via Marine Radar
… of birds towards wind turbines. Radars employ target tracking for identifying the targets (birds) accurately and efficiently. Several methods of tracking were developed to improve the tracking efficiency of the radars over the years. Most widely used tracking techniques are Kalman filter and …
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Hsp90 as a molecular target
… It is being recognized as a promising target in cancer treatment. Previous studies in our laboratory have demonstrated hsp90α expression in both primary glioma tissue and cell lines, but not in normal healthy brain tissues and cell lines. Enhanced chemosensitivity was observed upon …
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Target detection through quantum illumination
Classical target detection can suffer large error probabilities in noisy and lossy environments when noise photons are mistaken for signal photons reflected from an object. It has been shown theoretically that the correlation between entangled photons can be used to better discriminate between the …
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DNA target selection by calichemicin
Thesis (Ph. D.)--Massachusetts Institute of Technology, Division of Toxicology, 1998.
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Sex Differences in Direct Aggression: The Role of Impulsivity, Target Sex, and Intimacy with the Target
… men's aggression is inhibited towards all female targets relative to male ones, but that women's aggression is disinhibited specifically towards partners. In other words, men's lowered aggression towards intimate partners is an effect of target sex, while women's raised aggression towards intimate …
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Measurement of target single-spin asymmetry in charged kaon electroproduction on a transversely polarized 3He target
… beam and a transversely polarized ^{3}He target. The scattered electrons and the produced hadrons (pions, kaons, and protons) were detected in coincidence with two large magnetic spectrometers. By regularly flipping the spin direction of the transversely polarized target, the …
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Peripheral Dynamic Visual Acuity Under Randomized Tracking Task Difficulty, Target Velocities, and Direction of Target Presentation
… ability to resolve critical details in a target when there is relative motion between the target and the observer. This dissertation examined static and dynamic acuity in the 25-55 deg region of retinal eccentricity under a variety of conditions. Functionally, this region of the visual …
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A two-directional target optimization model.
… presents an algorithm for computing the optimal target path for two aircraft traversing a target area from different directions. There are constraints on the maneuverability of each aircraft which prohibit it from attacking every target. The algorithm chooses a subset of targets whose destruction …
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Building Profiles for miRNA Target Prediction
… However, current methods for determining the targets for miRNAs are far from accurate. To address this issue, we developed algorithms that produced profiles of miRNA recognition elements and features such binding energy threshold and conservation score. These profiles will be used to train a …
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Multiple-Target Tracking in Complex Scenarios
… efficient algorithms for multiple-target tracking: MTT) in complex scenarios. For each of these scenarios, we develop measurement and state-space models, and then exploit the structure in these models to propose efficient tracking algorithms. In addition, we address design issues …
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