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Applications of abelian algebraic structures in quantum computation
(Massachusetts Institute of Technology, 2016)
Shor's groundbreaking algorithms for integer factoring and discrete logarithm [58], along with their later generalizations 116, 35, 49, 18], demonstrated a unique ability of quantum computers to solve problems defined on ...
Acquisition and reconstruction methods for magnetic resonance imaging
(Massachusetts Institute of Technology, 2016)
Magnetic Resonance Imaging (MRI) is a non-invasive medical imaging modality that has a wide range of applications in both diagnostic clinical imaging and medical research. MRI has progressively gained in importance in ...
An architecture for low-power voice-command recognition systems
(Massachusetts Institute of Technology, 2016)
The advancements in fields such as machine-learning have allowed for a growing number of applications seeking to exploit learning methods. Many such applications involve complex algorithms working over high-dimensional ...
Latent variable model estimation via collaborative filtering
(Massachusetts Institute of Technology, 2017)
Similarity based collaborative filtering for matrix completion is a popular heuristic that has been used widely across industry in the previous decades to build recommendation systems, due to its simplicity and scalability. ...
Decentralized signal processing systems with conservation principles
(Massachusetts Institute of Technology, 2016)
In this thesis, a framework for designing fixed-point and optimization algorithms realized as asynchronous, distributed signal processing systems is developed with an emphasis on the system's stability, robustness, and ...
The physics of phase-noise mitigation : signal and filtering using microwave-photonic generation links
(Massachusetts Institute of Technology, 2013)
The spectral purity of every oscillator system is limited by noise. This thesis explores the physics and measurements of noise fundamental to oscillators operating in the electrical and optical domains. Our analysis leads ...
Sparse recovery and Fourier sampling
(Massachusetts Institute of Technology, 2013)
In the last decade a broad literature has arisen studying sparse recovery, the estimation of sparse vectors from low dimensional linear projections. Sparse recovery has a wide variety of applications such as streaming ...
Energy-aware system design using circuit reconfigurability with a focus on low-power SRAMs
(Massachusetts Institute of Technology, 2014)
Today's complex systems generally target competing design goals such as maximizing performance while minimizing energy. Moreover, they have to work efficiently under changing system dynamics and application loads. Thus, ...
Multi-representational security modeling and analysis
(Massachusetts Institute of Technology, 2016)
Many security attacks arise from unanticipated behaviors that are inadvertently introduced by the system designer at various stages of the development. This thesis proposes a multi-representational approach to security ...
High-speed autonomous obstacle avoidance with pushbroom stereo
(Massachusetts Institute of Technology, 2016)
This thesis presents the design and implementation of a small autonomous unmanned aerial vehicle capable of high-speed flight through complex natural environments. Using only onboard sensing and computation, we perform ...