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.
Results
Showing 1 to 16 of 16 for “"Digital architecture"”.
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Cyphers: On the Historiography of Digital Architecture
… concepts employed in constructing a history of digital architecture. By focusing on the methodological issues, it complements and expands the research developed for the monographic study Digital Architecture Beyond Computers (DABC) and the book chapter “Crypto Architecture”. In both pieces …
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Digital plasma control system and Alcasim simulation code for Alcator C-Mod
… The Alcator C-Mod control system was upgraded to digital architecture DPCS (Digital Plasma Control System). The main features of the digital system are the high flexibility, robustness and maintainability. The hardware consists of low-latency digitizers, a single processor Xeon server and DAC …
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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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Monolithic RF frontends for ubiquitous wireless connectivity
… multi-band implementations. This thesis explores architectures for next-generation RF frontends, which form the interface between the RF transceiver and antenna. RF frontend performance has important implications for the energy efficiency, frequency range and sensitivity of the radio. Ubiquitous …
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A systems analysis of tactical intelligence in the US Army
… a prodigious increase in collection platforms, digital data streams, and digital architecture at the tactical level. These transformations have significantly changed the nature of tactical intelligence analysis and therefore necessitate an appreciative update to analyst capabilities. A scrutiny …
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Analysis of antenna beamforming architectures for wireless communications
… presents a comparative analysis of analog, digital and hybrid beamforming architectures for Multiple-Input Multiple-Output (MIMO) systems in Fifth-generation (5G) and future Sixth-generation (6G) networks. The demand for high data rates and massive connectivity, positions spatial processing …
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Beyond organizations: Responsible value creation and participation in common platforms
… social innovation; (3) participatory design of digital platforms for commons-based value creation; and (4) the role of civil society in institutionalizing responsibility across communities and ecosystems. The findings advance a multi-level model of responsible facilitation in organizational …
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Techniques for low jitter clock multiplication
… tuning circuits. This thesis proposes a mostly-digital tuning technique that drastically reduces deterministic jitter in phase realigning clock multipliers. The proposed technique eliminates path mismatch by using a single-path digital detection method that leverages a scrambling time-to-digital …
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An all-digital transmitter for pulsed ultra-wideband communication
… energy savings. This thesis presents an all-digital transmitter designed for a non-coherent pulsed UWB system. By exploiting relaxed center frequency tolerances in non-coherent wideband communication, the transmitter synthesizes UWB pulses from an energy efficient, single-ended digital ring …
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The development of a disruptive innovation response framework within the South African insurance context: adapt, regenerate, transcend (Art)
… and networked and rapidly redefined by global digital architecture and alternative forms of value exchange, value creation and capture enabled through networks, platforms, and innovation ecosystems. For a mature industry to navigate potential disruption on this scale and possibly direct …
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Living matter : biomaterials for design and architecture
… a decade, we have witnessed a new emphasis in digital architecture on modes of production and material-based approaches rather than on form, geometry, and representation alone. As a result, fabrication techniques and material systems generally not accessible to architects can now become an …
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Carbon Accounting for Sustainable Computing in Cloud Provisioned Data Centers
Enterprise digital operations require data-driven and scaleable solutions to monitor and manage the increasing environmental impact caused by manufacturing hardware and operating large data center warehouses. Data centers are complex systems comprising of heating, ventilation, cooling, power …
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Low-power SAR ADC for biomedical portable devices
… (SAR) Analog to Digital Converters (ADCs) stand out as the preferred choice for such applications due to their remarkable energy efficiency and nearly digital architecture. The SAR architecture’s scalability allows for energy consumption optimisation across a broad …
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Digital Hardware Architectures for Exact and Approximate DCT Computation Using Number Theoretic Techniques
… for exact and approximate DCT computation. Novel digital hardware architectures that utilize these techniques to obtain, a) improvements in accuracy b) reductions in area and power consumption, are proposed. Review of the utilized number theoretic techniques, mathematical derivations of the …
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Digital enhancement techniques for fractional-N frequency synthesizers
… levels. In the first part of this work, a digital fractional-N phase locked loop (FNPLL) that employs a high resolution time-to-digital converter (TDC) and a truly ΔΣ fractional divider to achieve low in-band noise with a wide bandwidth is presented. The fractional divider employs a …