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Articles 31 - 32 of 32
Full-Text Articles in Signal Processing
Mechatronics Application To Solar Tracking, Danny L. Rodriguez Jr
Mechatronics Application To Solar Tracking, Danny L. Rodriguez Jr
Purdue Polytechnic Directed Projects
The purpose of this was to design and implement a two-axis solar tracking system utilizing the National Instruments C-Rio real time controller. In order to accomplish this a prototype was modeled in CAD. This prototype used two 12 V DC motors to change a solar panel's rotation and tilt based on feedback data from three cadmium sulfide photoresistors. This configuration was chosen for its ability to create both a left-right rotational and an up/down tilt differential. In Addition this approach uses National Instruments Labview to control a solar tracking system. Using Labview add uniqueness to this project by adding a …
Theory And Applications Of Compressive Sensing, Atul Divekar, Okan Ersoy
Theory And Applications Of Compressive Sensing, Atul Divekar, Okan Ersoy
Department of Electrical and Computer Engineering Technical Reports
This thesis develops algorithms and applications for compressive sensing, a topic in signal processing that allows reconstruction of a signal from a limited number of linear combinations of the signal. New algorithms are described for common remote sensing problems including superresolution and fusion of images. The algorithms show superior results in comparison with conventional methods. We describe a method that uses compressive sensing to reduce the size of image databases used for content based image retrieval. The thesis also describes an improved estimator that enhances the performance of Matching Pursuit type algorithms, several variants of which have been developed for …