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 1033 for “"Data acquisition"”.
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Microcontroller-based data acquisition system.
… the proper composition of the Alloy. The Data Acquisition System represents the meaning with which the analysis is performed. On the marketplace already exist many Data Acquisition Systems dedicated for this task. One of them is currently used in the Aluminum Alloy Analysis Research at the …
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Embedded Wireless Data Acquisition System
… by RF wireless system. Infrared operate at data rates 4Mbps and high sampling rates can be achieved. For this thesis, Infrared system is interfaced to microcontroller using ISA interface. ISA bus is chosen as it operates (at rate of 8Mbytes/sec) faster than RS-232 and easy to program …
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PORTABLE WIDEBAND MICROSEISMIC DATA ACQUISITION SYSTEM
… vibrations from minor tremors and to analyse the data to locate zones of impending faults. Precise fault location demands greater accuracy and resolution of recorded data - both of which depend on transducer characteristics. Different transducers can be designed depending on the parameters …
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Adaptive data acquisition for communication networks
… sources from the environment, e.g., from data bases or from measurements. Among the new design problems raised by the outlined scenarios, two key issues are addressed in this dissertation: 1) How to preserve the consistency of sensitive information across multiple hops; 2) How to …
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A high speed data acquisition system
… world around us. The interface between analogue data sources and these digital systems is the realm of analogue to digital converters (ADCs) that acquire digital snap-shots of data for further processing. Some applications require high sampling rates or high resolution data (or both). In addition …
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Optical diffusion tomography data acquisition system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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A Fundamental Frequency Data Acquisition System (FFDAS).
The human voice contains many frequencies, but the human listener perceives the lowest frequency in the harmonic series, the fundamental frequency (FO), as the pitch of the speaker’s voice at any given instant in time. Fundamental frequency in human speech conveys linguistic (semantic, …
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Real time data acquisition for load management
Demand for Data Transfer between computers has increased ever since the introduction of Personal Computers (PC). Data Communicating on the Personal Computer is much more productive as it is an intelligent terminal that can connect to various hosts on the same I/O hardware circuit as well as execute …
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Software Switching for High Throughput Data Acquisition Networks
… many-to-one communication pattern, typical for data acquisition systems, is particularly demanding for commodity TCP/IP and Ethernet technologies. The problem arising from this pattern is widely known in the literature as incast and can be observed as TCP throughput collapse. It is a result of …
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Data Acquisition Interface of a VLSI Cochlea Model
… exceedingly long times to run, even for short data sets. A data acquisition system was developed for a new switched-capacitor VLSI cochlea model chip, in order to rapidly perform cochleaI processing on digitzed speech samples. The system is capable of processing very long speech samples. …
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Data acquisition system for an electron spectrometer, A
Includes bibliographical references.
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Segmented breast treatment planning incorporating 4D data acquisition
Conventional 3-D external beam radiation therapy for breast cancer, although a vast improvement over traditional therapy, does not take into account respiratory motion. With breast cancer patients, this motion can expose healthy tissues, such as the lungs, to higher doses than expected. More …
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A distributed data acquisition network for vibration measurement
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Data Acquisition for Enhancing Human-Informed Topology Optimization
… future development of HiTop requires real-world data on human preferences. This project introduces a web-based survey app integrated with Qualtrics. It presents users with various design scenarios and computer-optimized designs, and records their modifications and reasoning. A preliminary survey …
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Data Acquisition for Domain Adaptation of Closed-Box Models
… models. Instead, we propose to acquire extra data to construct a "padding" model to help the original closed box with its classification weaknesses in the target domain. Our solution consists of a "weakness detector" to discover the deficiency of the original closed-box model and the Augmented …
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Scheduling shared data acquisition for real-time decision making
… work investigates scheduling policies for the acquisition of possibly overlapping sets of data items required to make multiple decisions by different deadlines. The work is motivated by military IoT applications in which a large number of sensors must collect intelligence data needed to make …
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A New Digital Data Acquisition System for Neutron Metrology
… alternative to a traditional analogue system for data acquisition for fast neutron metrology. Experiments were completed at the fast neutron facilities of AMANDE (IRSN, Cadarache) using a BC501A scintillation detector and both the DT5730 digitiser and an analogue system based on NIM electronics …
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High speed data acquisition system for optical coherence tomograpy
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, February 2001.
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FPGA Based Data Acquisition System for Cryogenic Device Verification
In this work, a system of processors connected to an FPGA is interfaced with a custom analog frontend and used to create a verification environment for cryogenic devices. In particular, this thesis focuses on the technical structure of that system. Current validation efforts often rely on …
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