Index Catalog // ScholarsArchive@OSU

On surrogate supervision multi-view learning

Creator:: Jin, Gaole
Abstract:: Data can be represented in multiple views. Traditional multi-view learning methods (i.e., co-training, multi-task learning) focus on improving learning performance using information from the auxiliary view, although information from the target view is sufficient for learning task. However, this work addresses a semi-supervised case of multi-view learning, the surrogate supervision...
Resource Type:: Masters Thesis

Time and statistical information utilization in high efficiency sub-micron CMOS successive approximation analog to digital converters

Creator:: Guerber, Jon
Abstract:: In an industrial and consumer electronic marketplace that is increasingly demanding greater real-world interactivity in portable and distributed devices, analog to digital converter efficiency and performance is being carefully examined. The successive approximation (SAR) analog to digital converter (ADC) architecture has become popular for its high efficiency at mid-speed and...
Resource Type:: Dissertation

A probabilistic framework and algorithms for modeling and analyzing multi-instance data

Creator:: Behmardi, Behrouz
Abstract:: Multi-instance data, in which each object (e.g., a document) is a collection of instances (e.g., word), are widespread in machine learning, signal processing, computer vision, bioinformatic, music, and social sciences. Existing probabilistic models, e.g., latent Dirichlet allocation (LDA), probabilistic latent semantic indexing (pLSI), and discrete component analysis (DCA), have been...
Resource Type:: Dissertation

Performance and optimization of pulsed UWB localization with large number of sources

Creator:: Kwon, Changho
Abstract:: Pulsed ultra-wideband (UWB) radio uses extremely short pulses to transmit information. Such pulses provide very fine timing information, which has led to technological advances in high-precision localization. This thesis focuses on techniques and experiments of Time-Difference-of-Arrival (TDOA) localization of a large number of simultaneous sources. First, common localization techniques such...
Resource Type:: Masters Thesis

Efficient detection and scheduling for MIMO-OFDM systems

Creator:: Liu, Wei
Abstract:: Multiple-input multiple-output (MIMO) antennas can be exploited to provide high data rate using a limited bandwidth through multiplexing gain. MIMO combined with orthogonal frequency division multiplexing (OFDM) could potentially provide high data rate and high spectral efficiency in frequency-selective fading channels. MIMO-OFDM technology has been widely employed in modern communication...
Resource Type:: Dissertation

Nontraditional amorphous oxide semiconductor thin-film transistor fabrication

Creator:: Sundholm, Eric Steven
Abstract:: Fabrication techniques and process integration considerations for amorphous oxide semiconductor (AOS) thin-film transistors (TFTs) constitute the central theme of this dissertation. Within this theme three primary areas of focus are pursued. The first focus involves formulating a general framework for assessing passivation. Avoiding formation of an undesirable backside accumulation layer...
Resource Type:: Dissertation

Energy-efficient clock generation for communication and computing systems using injection locking

Creator:: Ma, Chao
Abstract:: The design of high-performance, high-speed clock generation and distribution becomes challenging in terms of phase noise, jitter and power consumption, due to the fast development of communication and computing systems. Injection locking is a promising clocking technique since it can significantly improve the energy efficiency, suppress the phase noise of...
Resource Type:: Masters Thesis

Resource allocation methods for quality-of-service provisioning in heterogeneous wireless networks

Creator:: Chakchouk, Nessrine
Abstract:: The increased use of mobile wireless devices that we have recently been witnessing, such as smartphones, tablets, e-readers, and WiFi enabled devices in general, is driving an unprecedented increase in the amount of data traffic. This fast market adoption of the wireless technology along with the tremendous success of multimedia...
Resource Type:: Dissertation

Physical vapor deposition of novel thin-film solar absorbers

Creator:: Waters, Benjamin E.
Abstract:: Current leading thin-film solar cell technologies, i.e., cadmium telluride (CdTe) and copper indium gallium diselenide (CIGS), employ elements which are either toxic (Cd), or rare and/or expensive (In, Te, Ga, and Cd). The aim of this thesis is to investigate new, abundant, non-toxic p-type semiconductors for potential solar absorber application....
Resource Type:: Masters Thesis

Performance enhancement techniques for low power digital phase locked loops

Creator:: Elshazly, Amr
Abstract:: Desire for low-power, high performance computing has been at core of the symbiotic union between digital circuits and CMOS scaling. While digital circuit performance improves with device scaling, analog circuits have not gained these benefits. As a result, it has become necessary to leverage increased digital circuit performance to mitigate...
Resource Type:: Dissertation

ScholarsArchive@OSU

On surrogate supervision multi-view learning

Time and statistical information utilization in high efficiency sub-micron CMOS successive approximation analog to digital converters

A probabilistic framework and algorithms for modeling and analyzing multi-instance data

Performance and optimization of pulsed UWB localization with large number of sources

Efficient detection and scheduling for MIMO-OFDM systems

Nontraditional amorphous oxide semiconductor thin-film transistor fabrication

Energy-efficient clock generation for communication and computing systems using injection locking

Resource allocation methods for quality-of-service provisioning in heterogeneous wireless networks

Physical vapor deposition of novel thin-film solar absorbers

Performance enhancement techniques for low power digital phase locked loops

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