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 16 of 16 for “"Real-Time Signal Processing"”.
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Portable computers for real-time signal processing: EEG analysis as a case study
… advances in both digital hardware and digital signal theory have led to a rapid expansion in the importance and application of computer-aided measurement (CAM) techniques. Of these advances, the emergence of cheap microprocessor technology of sufficient processing power and speed to support …
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Real-Time Signal Processing and Hardware Development for a Wavelength Modulated Optical Fiber Sensor System
… (d) resistance to harsh environments, (e) remote signal processing ability, and, (f) multiplexing capabilities. Because of these advantages a variety of optical fiber sensing techniques have evolved over the years having potentials for myriad of applications. One very challenging job, for any of …
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Real Time Signal Processing for Multi-Antenna Systems and experimental Verification on a reconfigurable Hardware Test-bed
In Mobilfunksystemen der dritten und vierten Generation werden Mehrantennensysteme eingesetzt, um die Leistungsfähigkeit der Systeme, ihre spektrale Effizienz sowie die Zuverlässigkeit der Funk-verbindung zu verbessern. Aus der Informationstheorie ist bekannt, daß die Kanalkapazität von …
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An environment for the development of digital signal processing software
Prior to about 1980, real-time signal processing development work was dominated by hardware design time; each new algorithm required special hardware if it were to run in real time. The introduction of high-speed general-purpose digital signal processors has changed all that. Since these signal …
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Periodic Application of Concurrent Error Detection in Processor Array Architectures
… with high computational requirements, such as real-time signal processing.
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Design and implementation of software radios using a general purpose processor
… and exploit the advantages of performing real-time signal processing in a general purpose environment. The main challenge was overcoming the uncertainty in execution times and resource availability. The main advantages are faster clock speeds, large amounts of-memory and better development …
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A hierarchical time-indexed database for multi-modal derived sensor data using GPU-accelerated PostgreSQL
… especially in various fields demanding real-time signal processing like healthcare, artificial intelligence, machine learning, and scientific research. In this context, this thesis aims to address the challenges associated with the immense volume of sensor data by proposing an efficient …
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System for remote multichannel real-time monitoring of mouse ECG via the Internet
A hardware/software system was developed to allow real-time monitoring of multiple physiological signals simultaneously via the Internet. The hardware is specifically designed for measuring ECG signals from mice, while the software system is agnostic to the underlying data source. The software …
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Performance Benchmarking Software-Defined Radio Frameworks: GNURadio and CRTSv.2
… framework that can potentially be used for real-time signal processing. Several open-source measurement tools such as valgrind, perf, top, etc. are used to evaluate the CPU utilization, memory footprint and to postulate the origins of latencies. Based on our evaluation, we observe that …
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A General-Purpose Software Platform for Closed-Loop Neuromodulation
… developing software capable of acquiring signals from a bio-signal amplifier, analysis of these signals, and initiation of precisely timed stimulation, all of which need to be accomplished in real-time with very low latency. Developing this software is difficult, as it requires a wide …
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A web-controllable shaking table for remote structural testing under seismic loading
… therefore study the corresponding behavior of a real structure. The system is designed with an expandable architecture which enables future researchers to add functionalities that suit their fields of interest. Relevant fields of study include real-time signal processing and filtering techniques …
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Bio-inspired acoustic sensors and systems - from biology to engineering exploiting feedback computation
… and systems that can be sensitive to small signal levels even when immersed by background noise, may require out-of-the-box thinking. Biology can provide inspiration to achieve that, allowing the engineering landscape to borrow interesting ideas with the aim to solve current human problems. …
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Gigahertz-Range Multiplier Architectures Using MOS Current Mode Logic (MCML)
… of many computational intensive circuits such as real time signal processing and arithmetic systems. The increasing demand in speed for floating-point co-processors, graphic processing units, CDMA systems and DSP chips has shaped the need for high-speed multipliers. The focus of our research for …
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Online Measurement of Three-phase AC Power System Impedance in Synchronous Coordinates
… the possibility of system instability. A small-signal analysis that uses interface impedances defined in the synchronous frame is developed by Belkhayat at Purdue in the mid-90s to access the system stability. The system impedance varies with the operating point. Thus the impedance has to be …
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Bio-Inspired Multi-Spectral Imaging Sensors and Algorithms for Image Guided Surgery
… in the range of several millimeters to a centimeter depending on the tissue surrounding the tumor. Second, spontaneous tissue fluorescence emission is minimal in the NIR region, allowing for high signal-to-background ratio imaging compared to visible spectrum fluorescence imaging. Third, …
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Generic FPGA Preprocessing for Astrophysics Instruments in HLS
… designs vary widely, they often share common preprocessing elements, including channel-level readout, pedestal subtraction, waveform integration, and zero suppression from front-end ADCs, as well as identification and centroiding of signal islands across groups of multiple channels. High-Level …