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 41 for “"Digital Electronics"”.
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Surfacing silicon : revealing the underlying material and structure of digital electronics through aesthetics
Digital electronics are everywhere. We spend most of our days surrounded by them, but what most of us ever experience is their surface. The purpose of this work is to open up the black box of everyday digital electronics as a way to show what is hidden inside. This is done, not as a way to teach …
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Digital Signal Processing for segmented HPGe Detectors, Preprocessing Algorithms and Pulse Shape Analysis
… was the first spectrometer equipped with digital electronics. Pulse shape analysis algorithms to determine the interaction position of gamm-rays were implemented on a Digital Signal Processor and validated in an experiment using a collimated gamma-ray source. Emphasis was placed on the …
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Ultra-low Voltage Digital Circuits and Extreme Temperature Electronics Design
<p>Certain applications require digital electronics to operate under extreme conditions e.g., large swings in ambient temperature, very low supply voltage, high radiation. Such applications include sensor networks, wearable electronics, unmanned aerial vehicles, spacecraft, and energyharvesting …
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Simulating an Optical Neural Network for Deep Learning in Edge Computing
… less energy needed to run inference compared to digital models. Software simulations are used to assess netcast’s performance on MNIST classification and scene recognition relative to digital networks. Using an accuracy per energy consumption figure of merit (FOM), the simulations indicate that …
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Introduction of digital experimentation capabilities on the ELVIS iLab platform
… Suite (ELVIS), a low cost all-in-one electronics workbench, has become the hardware of choice for the iLab-Africa project. In this thesis, I extended the ELVIS iLab platform to support experiments in Digital Electronics complementing its analog capabilities. The new platform now offers …
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Memory-safe microcontroller applications with the Bedrock structured programming system
… - low-power, real-mode CPUS - drive digital electronics all over the world, making their safety and reliability critical. However, microcontrollers generally lack the memory protection common in desktop processors, so memory safety must come through other means. One such mechanism is …
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Analysis of symmetrical components of harmonics for three phase power systems
… and to express them in symmetrical components. A digital electronics and microprocessor-based instrument was designed and constructed using the novel signal modulation technique called "+1 and -1" which was developed by the author of this thesis. This instrument was employed to achieve the above …
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Dielectric elastomer actuators for binary robotics and mechatronics
… Binary actuation is the mechanical analogy to digital electronics, where actuators "flip" between two discrete states. Systems can be simple since low-level feedback control, sensors, wiring and electronics are virtually eliminated. However, conventional actuators, such as DC motors and gearbox …
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Ground Station Mixed-Signal PCB and SFP Ethernet-to-Optical Connector for the Deployable Optical Receiver Aperture (DORA) CubeSat
… will address the ground station analog and digital electronics and data transfer needed to deliver data received from the DORA CubeSat to its final destination for processing and storage. The ground station mixed-signal PCB (GS-MSPCB) will serve as the interface between the terminal’s FPGA …
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A Compact Ultrasonic Airflow Sensor for Clinical Monitoring of Pediatric Tracheostomy Patients
… of the sensor, including the transducers, analog/digital electronics, and embedded systems hardware/software integration. Inside the sensor's flow chamber, two piezoelectric transducers sequentially transmit and receive ping-like acoustic pulses propagating upstream and downstream of flow. A …
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Pulse-based ultra-wideband transmitters for digital communication
… equal to the noise emission limit of household digital electronics. This band is also shared with several existing services, therefore in-band interference is expected and presents a challenge to UWB system design. This thesis covers the aspects of pulse generation and transmitter implementation …
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Design of Software Defined Radio for SuperDARN Radar
… field enabled by continuing improvements in digital electronics. Software defined radio has been used extensively in communication systems due to its flexibility and cost effectiveness. Recently, SDR has been incorporated into radar systems, particularly for ionospheric research. This study …
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Algorithms for nuclear data analysis applied to safety and materials
Digital electronics are gradually replacing analog signal conditioning modules in many radiation detection applications. Direct analog-to-digital conversion of radiation-induced signals yields performances comparable to or better than analog electronics, in terms of time and energy resolution. The …
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Ultra-scaled III-V Vertical Tunneling Transistors
… technology platform for future ultra-low-power digital electronics.
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Two-dimensional materials for electronic applications
… of the two-dimensional materials family in electronics, optoelectronics and their interface with the biological systems. At this early stage of 2D materials research, many opportunities and challenges co-exist in this area. This thesis addresses the following issues which are crucial for 2D …
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A microprocessor-based interactive image processing system
… is nowhere more apparent than in the field of digital electronics, where a computer of fifteen years ago, comprising many thousands of transistors, has now been replaced by the microcomputer comprising several microchips. Consequently the present day computer is very much cheaper in real terms, …
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Fully printed transistors employing silicon nanoparticles
… from a more general project focussed on printed electronics using nanoparticulate silicon, with the aim of producing fully printed transistors. All of the printed transistors produced to date have been field-effect transistors (FETs), due to the fact that printing processes are easily applicable …
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Monolithically integrated MEMS resonators and oscillators in standard IC technology
… for communication systems as well as analog and digital electronics. Driven by the continuous demand for reduction in power, size and overall cost, monolithic integration of mechanical resonators in standard integrated circuit (IC) technology has been the focus of multiple research efforts. …
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Methodologies for Design-Oriented Electromagnetic Modeling of Planar Passive Power Processors
… in part by the overall trends in analog and digital electronics. These trends coupled with the demands for increasingly higher power quality and tighter regulations raise various design challenges. Because inductors and transformers constitute a rather large part of the overall converter …
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Rapid Scan Electron Paramagnetic Resonance (EPR) and Digital EPR Development
… CW EPR.</p> <p>With recent advances in digital electronics, a digital rapid scan spectrometer was built based on an arbitrary waveform generator (AWG), which can excite spins and detect EPR signals with a fully digital system. A near-baseband detection method was used to acquire the …
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