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 323 for “"tracker"”.
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Speed of task acquisition in sign-tracker and goal-tracker rats using the 5-CSRTT
… les individus, soit vers la récompense (les goal-trackers, GT), vers les indices environnementaux (les sign-trackers, ST), ou qui montrent peu de préférence (indéterminés, IG) (Flagel et Robinson, 2017). La présente étude vise à mieux comprendre l'effet du style d'approche individuel sur la …
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A bandwidth-adaptive automatic pulse position tracker.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1969. M.S.
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Detector and Physics Performance of the ATLAS Inner Tracker
The thesis presents two interconnected research directions within the ATLAS exper- iment at the Large Hadron Collider. The first part concentrates on the performance evaluation of the ATLAS ITk Strip subdetector modules developed for the HL-LHC up- grade. Detailed studies of module behavior, …
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Thermal testing of the STAR forward GEM tracker disks
In my thesis project, I worked on the Thermal Model for the FGT detector. The purpose of this thermal model is to simulate the cooling system for the electronics of the FGT. In this thesis report, I go over the construction of the model disks for the thermal model and the measurements I made on one …
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Lunar Surface Navigation Using Gravity and Star Tracker Measurements
… and orientation (POSE) methods employ star trackers (ST) and accelerometers but do not incorporate the use of an external gravity field. The Multiplicative Extended Kalman Filter (MEKF) developed in this study uses these sensors and their data to define a state consisting of the attitude …
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Entwicklung von Silizium-Mikrostreifen-Detektormodulen für den ATLAS Semiconductor Tracker
… Teil des Spurdetektors ist der Semiconductor Tracker (SCT), dessen Aufgabe es ist, Spurpunkte von geladenen Teilchen zu registrieren. Als Sensoren werden Silizium-Mikrostreifen-Detektoren eingesetzt die im zentralen ?Barrel?-Bereich in vier Lagen um den Kollisionspunkt angeordnet sind. Die …
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Autonomous Artificial Neural Network Star Tracker for Spacecraft Attitude Determination
… the ""lost-in-space"" problem for this star tracker prototype is on average 9.5 seconds. This is an improvement over the 60 seconds needed by the current off-the-shelf autonomous star tracker by Ball Aerospace, the CT-633. Initial acquisition after launch as well as recovery from a loss of …
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A maximum power point tracker optimized for solar powered cars
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1990.
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Spatial tracker for an air-to-ground laser communication link
… several of the hardware components of a spatial tracker for an air-to-ground laser communication system; these include a PWM switching amplifier and the control systems for driving the primary steering and tracking elements required in the acquisition and maintenance of an optical communication …
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Design and manufacture of an electro-mechanical hand position tracker
This thesis discusses the conceptual design, manufacture, and assembly of a device that tracks the movements and position of a user's hand. This device will be used for stroke patients undergoing rehabilitation using robotic aids, monitoring their use of their unimpaired hand, particular when …
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D meson reconstruction at star using the silicon vertex tracker (svt)
<p>At the Relativistic Heavy Ion Collider a hot and dense matter is produced in Au+Au collisions at sqrt(sNN) = 200 GeV/c. This matter exhibits features of a new deconfined partonic matter, called the Quark-Gluon Plasma. Charm quarks are expected to be produced predominately from the initial gluon …
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A wireless link to a six degree of freedom inertial tracker
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Wind tunnel investigation of wind load on a ground mounted photovoltaic tracker
… structures of ground mounted photovoltaic tracker systems (PVT). Current understanding of action of wind on such systems is incomplete. Over the past decade, a number of investigations devoted to this topic have been carried out. However, majority of these efforts have been of proprietary …
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Development of a low-cost multi-camera star tracker for small satellites
The student, Hongrui Zhao, accepted the attached license on 2020-07-20 at 13:59.
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UncL-STARK: An Architecture-preserving Transformer-based Tracker with Uncertainty-aware Layer-skipping
Transformer-based single-object trackers achieve high accuracy but rely on fixed-depth inference, executing the full encoder–decoder stack for every frame regardless of difficulty. This leads to unnecessary computational cost in long video sequences dominated by visually simple frames. This thesis …
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Fast star tracker centroid algorithm for high performance CubeSat with air bearing validation
State of the art CubeSats such as ExoplanetSat require pointing precision for the science payload on the order of arcseconds. ExoplanetSat uses dual stage control to achieve the pointing requirement. Reaction wheels provide coarse satellite attitude control while a high bandwidth piezoelectric …
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Uptake of a Wearable Activity Tracker in a Community-Based Weight Loss Program
… and cost data, and research on wearable activity trackers and community, incentive, and web-based weight loss.
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Development of an Efficient Solar Powered Unmanned Aerial Vehicle with an Onboard Solar Tracker
… where and when a UAV with an onboard solar tracker would be advantageous over a conventional solar powered UAV with PV cells statically fixed to its wings. The final UAV had a wingspan of 3.2 meters, a length of 2.6 meters, and weighed 4.1 kilograms. Its solar panel provided a maximum power …
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Aplicación web para el control y seguimiento de avances del proyecto de grado “Project Tracker”
Project Tracker es una aplicación web que permite obtener una trazabilidad y permite regular el acompañamiento de los tutores en el proceso de desarrollo de los proyectos de grado de la universidad EAN. Con la implantación de esta herramienta se puede obtener una trazabilidad del proceso de los …
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