Index Catalog // ScholarsArchive@OSU

Novel design and implementation of a permanent magnet linear tubular generator for ocean wave energy conversion

Creator:: Prudell, Joseph H.
Abstract:: The world’s energy consumption is growing at an alarming rate and the need for renewable energy is apparent now more than ever. Estimates have shown that optimization of the extraction of energy from the ocean could significantly aid the world’s quest for sustainable and affordable energy services for all. From...
Resource Type:: Masters Thesis

Architecture design of multiplexed incremental analog-to-digital converters

Creator:: Zhang, Zhiqing
Abstract:: Analog-to-Digital Data Converters (ADCs) used in instrumentation and measurements often require high absolute accuracy, including excellent linearity and negligible dc offset. Incremental data converters (IDCs) provide a solution for such measurement applications. Since IDCs are essentially delta-sigma converters with reset operation before each conversion, they retain most of the advantages...
Resource Type:: Masters Thesis

Power reduction of MPEG video decoding for mobile multimedia systems

Creator:: Lewis, James M.
Abstract:: The purpose of this thesis is to explore methods which can reduce the power dissipation of a mobile system while decoding MPEG video. MPEG decoding is a microprocessor intensive process that makes heavy use of both the L1 and L2 caches as well as main memory. The heavy load placed...
Resource Type:: Masters Thesis

Kinematic and cyclostationary parameter estimation for co-channel emitter location applications

Creator:: Ohm, David R.
Abstract:: The problem of locating a signal source, or an emitter, has many civilian and military applications, such as communication regulations enforcement, military reconnaissance, and search-and-rescue operations. Many of the most widely used emitter location methods rely on the accurate and robust estimation of the differential time delay, or time-difference-of-arrival (TDOA),...
Resource Type:: Dissertation

Inorganic thin-film solar cells

Creator:: Spies, Jack Alexander
Abstract:: The primary objective of this thesis is to explore new absorber and p-type window layer materials for thin-film solar cell applications. A new thin-film electron beam deposition system has been installed, is now operational, and has been used to deposit several types of solar cell absorber layers. Material investigations include...
Resource Type:: Masters Thesis

Simulation and modeling of substrate noise generation from synchronous and asynchronous digital logic circuits

Creator:: Hanken, Christopher
Abstract:: Efficient methods for simulating the substrate noise generated by complex synchronous and asynchronous digital logic circuits are presented. By simulating digital logic at the gate level, and precharacterizing the gates, the substrate noise generation can be predicted and used in a transistor level simulation of the sensitive analog blocks. This...
Resource Type:: Masters Thesis

Test fixture characterization for high-frequency silicon substrate parasitic extraction

Creator:: Tabalujan, Andrew R.
Abstract:: At frequencies exceeding 1-2 GHz, the reactive nature of a silicon substrate must be accounted in the substrate network models used in substrate coupling simulation. High-frequency substrate models, containing reactive components, must be validated through high-frequency network analyzer measurements. Prior fabricated test fixtures have been modified to enable high-frequency (up...
Resource Type:: Masters Thesis

Modified VLSI designs for error correction codes

Creator:: Chen, Lupin
Abstract:: Nowadays, error correction codes have become an integral part in almost all the modern digital communication and storage systems. With the continuously increasing demands for higher speed and lower power communication systems, efficient VLSI implementations of those error correction codes have great importance for practical applications. In this thesis, several...
Resource Type:: Masters Thesis

Network coding in relay networks

Creator:: Alban, Eduardo
Abstract:: Transmission over wireless networks presents multiple technical challenges due to noise, interference, fading, power constraints and bandwidth limitation. Different solutions have been propposed to overcome these issues and some of them are treated here. Cooperative diversity has been proposed as an implementation for networks where terminals are restricted to using...
Resource Type:: Masters Thesis

Low-complexity high-speed VLSI design of low-density parity-check decoders

Creator:: Cui, Zhiqiang
Abstract:: Low-Density Parity-check (LDPC) codes have attracted considerable attention due to their capacity approaching performance over AWGN channel and highly parallelizable decoding schemes. They have been considered in a variety of industry standards for the next generation communication systems. In general, LDPC codes achieve outstanding performance with large codeword lengths (e.g.,...
Resource Type:: Dissertation

ScholarsArchive@OSU

Novel design and implementation of a permanent magnet linear tubular generator for ocean wave energy conversion

Architecture design of multiplexed incremental analog-to-digital converters

Power reduction of MPEG video decoding for mobile multimedia systems

Kinematic and cyclostationary parameter estimation for co-channel emitter location applications

Inorganic thin-film solar cells

Simulation and modeling of substrate noise generation from synchronous and asynchronous digital logic circuits

Test fixture characterization for high-frequency silicon substrate parasitic extraction

Modified VLSI designs for error correction codes

Network coding in relay networks

Low-complexity high-speed VLSI design of low-density parity-check decoders

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