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Now showing items 668-687 of 84650
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A 0.18-μm BICMOS 20-57 GHz Ultra-Wideband Low-Noise Amplifier Utilizing Frequency-Controlled Positive-Negative Feedback Technique
(2015-12-02)Silicon based complementary metallic oxide semiconductor (CMOS) and Bipolar Complementary Metal Oxide Semiconductor (BiCMOS) radio frequency integrated circuits (RFICs), including microwave and millimeter-wave (MMW), are ... -
A 16-Channel Receive Array Insert for Magnetic Resonance Imaging of the Breast at 7T
(2014-04-01)Breast cancer is the second leading cause of cancer death among females in the United States. Magnetic resonance imaging (MRI) has emerged as a powerful tool for detecting and evaluating the disease, with notable advantages ... -
A 2.4 GHz Phase Modulator for a WLAN OFDM Polar Transmitter in 0.18 um CMOS
(2014-09-11)This research focuses on the design and implementation of a digital active phase modulator path of a polar transmitter in the case of orthogonal frequency division multiplex WLAN application. The phase modulation path of ... -
A 300 Years Record of Polycyclic Aromatic Hydrocarbons in Lake Botanisk, Copenhagen: A Historical Reconstruction of Combustion Processes in a Scandinavian Urban Lake
(2013-02-04)Lake Botanisk, a small isolated body of water in Copenhagen, Denmark, has remained relatively undisturbed for four centuries, making its sediments an excellent historical archive of past deposition rates of atmospheric ... -
A 4-H Game for Learning Plants.
(Texas Agricultural Extension Service, 19XX) -
A 6500-Yr Paleoenvironmental Reconstruction of No Man’s Land Sink, Abaco Island, A Large Inland Lake in the Northern Bahamas
(2017-04-28)No Man’s Land Sink is one of the largest inland lakes on the Little Bahama Bank in the northern Bahamas, so its paleoenvironmental history may provide insight into how the regional hydroclimate and groundwater systems ... -
A Balance Point Approach to Modeling Hemodynamics in Chronic Heart Failure
(2016-11-09)Chronic heart failure is a complex disease state that can yield reduced cardiac output, pulmonary edema, and increased peripheral resistance. Pressures, flows, and volumes in these conditions emerge from the complex ... -
A BIM Compatible Schema for Architectural Programming Information
(2016-12-09)Having access to architectural programming information that documents the predesign requirements for the building throughout the lifecycle of a building can add value to design evaluation, facility management, renovation ... -
A Biophysical Approach to Investigate the Human Fe-S Cluster Assembly Pathway
(2014-06-02)Iron sulfur (Fe-S) clusters are essential cofactors that function in electron transport, catalyzing substrate turnover, environmental sensing, and initiating radical chemistry. Elaborate multi-component systems have evolved ... -
A Blouse in Your Wardrobe.
(Texas Agricultural Extension Service, 1960) -
A Branch Predictor Directed Data Cache Prefetcher for Out-of-order and Multicore Processors
(2013-08-01)Modern superscalar pipelines have tremendous capacity to consume the instruction stream. This has been possible owing to improvements in process technology, technology scaling and microarchitectural design improvements ... -
A Broadband Miniaturized Microwave Dielectric Spectroscopy System Based on Impedance Sensing
(2013-01-07)The main purpose of this thesis is to propose a broadband miniaturized spectroscopy system to detect dielectric constant and loss tangent of lossy organic materials at RF/Microwave frequencies. Complex permittivities of ... -
A Building Information Model (BIM) Based Framework for Performance Optimization
(2015-07-15)The increase in global environmental concerns as well as advancement of computational tools and methods have had significant impacts on the way in which buildings are being designed. Building professionals are increasingly ... -
A Calculated Relationship: Rafael Correa and the Indigenous Movement
This thesis examines the nature of the alliance formed between President Rafael Correa and the Ecuadorian indigenous movement that led to the incorporation of plurinationalism into the 2008 Constitution. To this end, this ... -
A Capability-based Framework for Applying Value-driven Design to Systems with Multiple Value-producing Scenarios
(2016-07-14)Value-driven design is an emerging paradigm in systems engineering and design that leverages insights from decision theory to inform decision-making in engineering design and improve systems engineering outcomes. A basic ... -
A Capacitor-Less Wide-Band Power Supply Rejection Low Drop-Out Voltage Regulator with Capacitance Multiplier
(2014-05-22)A Low Drop-Out (LDO) voltage regulator with both capacitor-less and high power supply rejection (PSR) bandwidth attributes is highly admired for an integrated power management system of mobile electronics. The capacitor-less ... -
A Case for Changing I-131 Transfer Factors Based on Changes in Dairy Industry Practices
(2013-02-01)Following a large-scale radioactive release, transfer factors (TF) are used to estimate the amount of radioactive material retained by an organism. These values are based on the concentration of the consumed radionuclide ... -
A Case History - Improved Hydraulic Design Lowers Cavitation Erosion And Vibrations Of A Water Transport Pump
(Turbomachinery Laboratories, Department of Mechanical Engineering, Texas A&M University, 1993)In this case history, the successful application of well-known tools for hydraulic design changes and cavitation erosion prediction is presented. A description of the tools can be found in many publications and will not ... -
A Case History - Improvements To An Existing Cooling Tower Sump And Horizontal Split Case Pumps
(Texas A&M University. Turbomachinery Laboratories, 1999)In adding a second urea plant in 1974 at a Midwestern nitrogen plant, higher cooling water requirements necessitated the construction of an additional cooling tower. A 130 million Btu/hour cooling tower was installed with ...