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 21 for “"multiple-sensor"”.
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Wearable multiple sensor acquisition device
The wearable multiple sensor acquisition device is targeted as the primary sensor hub for the next revision of the MIThril wearable computer architecture. The device provides 3-axis acceleration sensing, infrared transmission and reception of Tag IDs, and a 16kHz 8bit audio stream. To be usable for …
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An analysis of multiple sensor system payloads for unmanned aerial vehicles
… will be equipped solely with electrooptical (EO) sensors. This thesis provides a comparative analysis of the mission effectiveness between UAVs equipped with EO sensors and those equipped with a multiple sensor system payload. A historical review of UAV development and employment is provided so …
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Development and inflight validation of an automated flight planning system using multiple-sensor windfield estimation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1993.
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Implementation and evaluation of a dual-sensor time-adaptive EM algorithm for signal enhancement
… algorithm for signal enhancement from multiple-sensor observations. The algorithm is first derived as a noncausal time-domain algorithm, then converted into a causal, recursive form. A more computationally efficient gradient-based parameter estimation step is also presented. The results …
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Machine Learning and Data Fusion of Simulated Remote Sensing Data
… study into multi-physics data fusion across multiple sensor modalities is created and discussed.
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Cooperative tracking for persistent littoral undersea surveillance
… this context, we investigate a novel method for multiple sensor platforms acting cooperatively to locate an uncooperative target. Conventional tracking methods based on techniques such as Kalman filtering or particle filters have been used with great success for tracking targets from a single …
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Acoustic Coherence Imaging Through the Atmosphere
… of field experiments was conducted in which multiple sensor arrays of microphones recorded the signals received from loudspeaker sources outdoors under varying atmospheric conditions. Besides providing data for characterizing the imaging performance under different conditions, the field data …
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A Modelling approach for evaluating the ranking capability of Situational Awareness System in real time operation. Modelling, evaluating and quantifying different situational assessment in real time operation, using an analytical approach for measuring the ranking capability of SWA system
… introduced the information fusion model, with multiple situational assessments. Each process lends itself to ranking the most important activities into a predetermined order. Unfortunately, the capability of a real time system can be hindered by the knowledge limitation problem, particularly …
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A wireless, low power, asynchronous, multi-sensor, temperature network
… transmitter that reads the temperature from a sensor and then sends the data through an RF connection to a receiver, which then converts the information to human readable form. The transmitter can. perform a conversion about every minute and then go to sleep, allowing the battery to last for …
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Analysis of asset health : an approach to monitoring and diagnostics for medium voltage circuit breakers
… the purpose of this thesis was to identify sensor technology and analytics that will allow electric utilities in North America-primarily the United States-to assess the health of their equipment and utilize this information for maintenance operational decisions. The main areas of research …
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Cell-free synthetic biology for affordable, on-demand diagnostics
… biology platform using RNA toehold switch sensors to detect RNAs from human gut microbiome. We showed that this method could quantify bacterial and human RNA transcripts comparably to gold standard methods while reducing time and cost. Next, I used similar cell-free detection technology to …
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LunarWSN: A Wireless Sensor Network for In-Situ Lunar Water Ice Detection
… where data of interest often exists. Wireless Sensor Networks (WSNs) are a technology that is typically dedicated to collecting in situ sensing data from regions of interest. A WSN is composed of multiple sensor nodes that are relatively small, light, and easy to deploy. The sensor nodes are …
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Best Linear Unbiased Estimation Fusion with Constraints
… to best utilize useful information contained in multiple data sets for the purpose of estimating an unknown quantity — a parameter or a process. Estimation fusion with constraints gives rise to challenging theoretical problems given the observations from multiple geometrically dispersed sensors: …
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Uniform positive recurrence and long term behavior of Markov decision processes, with applications in sensor scheduling
… white noise and quadratic costs, observed via multiple sensors that communicate over a congested network. Observations are lost or received according to a Bernoulli random variable with a loss rate determined by the state of the network and the choice of sensor. We completely analyze the finite …
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Privacy-aware human presence and movement analysis in controlled and uncontrolled environments
… tasks would be transposed and revolutionized. Multiple human tracking (MHT), encompassing human presence and movement analysis, are key components in many computer vision applications, in which the fundamental goal is to automatically segment, capture, recognize and analyze human activities in …
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Modeling and Optimization of Rechargeable Sensor Networks
… have enabled rapid development of wireless sensor networks (WSNs). A WSN consists of a large number of sensor nodes that are typically powered by batteries. Each sensor node collects useful information from its environment, and forwards this data to a base station through wireless …
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The Utility of X-Ray Dual-Energy Transmission and Scatter Technologies for Illicit Material Detection
… of the image-processing system used on this multiple sensor system. This image-processing system is comprised of four steps. The first step is to spatially register images from all the sensing modalities. The second step is to remove noise using the edge-preserving smoothing algorithm. The …
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An experimental study of coherent structures in a three-dimensional turbulent boundary layer
… around a wing-body junction with a variety of multiple-sensor probes, to examine the features of the coherent structures in the flow. This test flow has a number of practical applications and was selected because of its strong three-dimensional nature and the availability of an extensive set of …
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Ultra-Wideband Transceiver Design And Optimization
… Health care is driving towards using multiple sensor and therapeutic nodes inside the POS. Technology has enabled remote patient care where the patient has low cost on-body wearables that allow the patient/physician to access vital signs without the patient physically visiting the …
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HUMAN ACTIVITY RECOGNITION FROM EGOCENTRIC VIDEOS AND ROBUSTNESS ANALYSIS OF DEEP NEURAL NETWORKS
… based models provide improved accuracy in multiple fields in computer vision. However, there has been relatively less work focusing on designing specific models to improve the performance of egocentric image/video tasks. As deep neural networks keep improving the accuracy in computer vision …
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