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Filtering by: Committee Member Raich, Raviv Remove constraint Committee Member: Raich, Raviv Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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Visualization and analysis of sensor data for detecting microclimate cold air pools

Creator:

Singh, Satpreet Harcharan

Abstract:

Cold air pools are spatiotemporal phenomena that occur when cold air from higher elevations roll down the slope to accumulate in lower elevations. Behaviors like this lead to microclimate anomalies such as the city of Corvallis (Oregon) experiencing persistent cold weather even on a sunny day. We analyze multivariate temperature...

Resource Type:

Masters Thesis
Position estimation in indoor localization with trilateration

Creator:

Su, Zhenqiang

Abstract:

Triangulateration uses geometric distance to estimate the location of user by employing techniques like received signal strength (RSS), time-of-arrival (TOA), time-difference-of-arrival (TDOA) and image processing. Radio frequency (RF) signal positioning using TOA or TDOA techniques generally requires timing synchronization of the anchors and/or the anchors and targets. If the desired...

Resource Type:

Dissertation
Learning with Partial Supervision for Clustering and Classification

Creator:

Pei, Yuanli

Abstract:

In the field of machine learning, clustering and classification are two fundamental tasks. Traditionally, clustering is an unsupervised method, where no supervision about the data is available for learning; classification is a supervised task, where fully-labeled data are collected for training a classifier. In some scenarios, however, we may not...

Resource Type:

Dissertation
Simultaneous segmentation and classification of bird song using CNN

Creator:

Narasimhan, Revathy

Abstract:

In bioacoustics, automatic animal voice detection and recognition from audio recordings is an emerging topic for animal preservation. Our research focuses on bird bioacoustics, where the goal is to segment bird syllables from the recording and predict the bird species for the syllables. Traditional methods for this task addresses the...

Resource Type:

Masters Thesis
Power Efficient Architectures for High Accuracy Analog-to-Digital Converters

Creator:

Zhang, Yi

Abstract:

Incremental ADCs (IADCs) have found wide applications in sensor interface circuitry since, compared to ∆Σ ADCs, they provide low-latency high-accuracy conversion and easy multiplexing among multiple channels. On the other hand, continuous-time ∆Σ ADCs (CTDSM) have been receiving more and more attention as a power-efficient solution in targeting medium to...

Resource Type:

Dissertation
Modeling, Fabrication, and Characterization of Magnetic Thin Films for Integrated Inductor and MRAM Applications

Creator:

Buford, Benjamin

Abstract:

Magnetic thin films have potential to improve devices such as on-chip inductors, and enable new technologies such as magnetic random access memory (MRAM). The use of magnetic cores in on-chip inductors is typically limited to applications well under 1 GHz. At higher frequencies, the performance of the magnetic core is...

Resource Type:

Dissertation
Machine Learning Methods for Computational Sustainability

Creator:

Liu, Liping

Abstract:

Maintaining the sustainability of the earth’s ecosystems has attracted much attention as these ecosystems are facing more and more pressure from human activities. Machine learning can play an important role in promoting sustainability as a large amount of data is being collected from ecosystems. There are at least three important...

Resource Type:

Dissertation
Network Coding, Random Matrices, and Their Applications to Communication Systems

Creator:

Nguyen-Huu, Duong

Abstract:

In this work, we study network coding technique, its relation to random matrices, and their applications to communication systems. The dissertation consists of three main contributions. First, we propose efficient algorithms for data synchronization via a broadcast channel using random network coding. Second, we study the resiliency of network coding...

Resource Type:

Dissertation
Ultra-Wideband Relay Communication Systems

Creator:

Abbasi, Arash

Abstract:

Impulse-radio ultra-wide-band (IR-UWB) signaling is a promising technique for high-speed, short-range relay communications networks. Depending on how the relay node retransmits the signal, there are two main relay schemes: conventional one-directional (one-way) relay model, and bi-directional (two-way) relay model. In bi-directional relay communications, wireless network coding (WNC), also called physical-layer...

Resource Type:

Dissertation
A Direction-Sensitive Radiation Detector for Low-Altitude, UAV-based Radiological Source Search

Creator:

Becker, Eric M. (Eric Matthew)

Abstract:

Many devices and methods for radiological searches are currently being developed, including scanning using simple detectors, mapping using large-volume detectors, and Compton imaging using 3-D position sensitive detectors. However, these devices are typically expensive and the methods used require long periods of time to generate a direction or location. The...

Resource Type:

Dissertation

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Academic Affiliation

Electrical Engineering and Computer Science49
Mechanical, Industrial, and Manufacturing Engineering1
Nuclear Engineering and Radiation Health Physics1
Nuclear Science and Engineering1

Advisor

Liu, Huaping7
Nguyen, Thinh4
Temes, Gabor4
Fern, Xiaoli3
Wong, Weng Keen3
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2008 to 2018

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Committee Member

Raich, Raviv[remove]52
Nguyen, Thinh9
Kovchegov, Yevgeniy6
Liu, Huaping6
Tadepalli, Prasad5
more Committee Members »

Creator

Duong, Thai2
Nguyen Huu, Duong2
Abbasi, Arash1
Arnold, Drew D.1
Becker, Eric M.1
more Creators »

Date

Date range begin – Date range end

Current results range from 2008 to 2017

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Decade

2010-201947
2000-20095

Degree Field

Electrical and Computer Engineering31
Computer Science16
Radiation Health Physics2
Electrical Engineering and Computer Science1
Electrical and Computer Science1
more Degree Fields »

Degree Level

Doctoral28
Master's24

Degree Name

Doctor of Philosophy (Ph.D.)28
Master of Science (M.S.)24

File Format

application/pdf1

Language

English [eng]52

License

All rights reserved52

Non-Academic Affiliation

Oregon State University. Graduate School[remove]52

Peer Reviewed

No52

Resource Type

Dissertation28
Masters Thesis24

Rights Statement

In Copyright[remove]52

Subject

Analog-to-digital converters4
Machine learning4
Markov processes4
Analog-to-digital converters -- Design and construction3
Birdsongs -- Data processing3
more Subjects »

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