Browsing by Author "Bredow, Jonathan W."
Now showing items 1-20 of 21
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Analysis Of The Spatial Correlation Measurements For The Multiple Input Multiple Output (MIMO) Channel Using Anechoic Chamber Measurement Methodologies To Evaluate Over-The-Air (OTA) Testing Techniques
Jadhav, Digvijay Arjunrao (Electrical Engineering, 2010-03-03)There are numerous constraints in defining an Over-The-Air (OTA) test due to the practical hardware restrictions present in an anechoic chamber. It is necessary to evaluate the test signals used in OTA testing to verify ... -
Attenuation Behavior of Solid Dense Random Media at Microwave Frequencies
Nadimi, S.A.; Fung, Adrian K.; Bredow, Jonathan W. (IEEE, 1992)To better understand scattering from nontenuous dense random media such as sea ice and snow, attenuation measurements have been performed on two different types of random media with ka values ranging from 0.5 to 0.7, and ... -
Bit-rate reduction using Superpixel for 360-degree videos - VR application
Krishna Rao, Swaroop (2017-12-13)Superpixels are applied on the side views of the 2D projected video. Then the video is partitioned into Coding Tree Units (CTUs). The CTUs and the superpixels positions will be compared within the frame of video. During ... -
Capacity and coverage management issues in the forward link of CDMA systems
Bredow, Jonathan W.; Khoja, J.A.; Al-Shalash, M.A. (IEEE, 2003-04)A multisensory approach is being developed at the University of Texas at Arlington (UTA) to improve upon current capabilities in environmental monitoring. These sensors consist of an FT-IR for operation in the near to ... -
Circular and Linear Polarization Inverse Sar Imaging of Simple Deterministic Targets and Statistically Known Randomly Rough Surfaces Using Constant and Varying Illumination
Bredow, Jonathan W.; Porco, Ronald L.; Hartman, G. (IEEE, 1992)In order to study mechanisms of scattering and their relative contributions to SAR and inverse SAR images, a special measurement setup has been constructed in the University of Texas at Arlington bistatic anechoic measurement ... -
Comparison of Integral Equation Predictions and Experimental Backscatter Measurements from Random Conducting Rough Surfaces
Nance, C.E.; Fung, Adrian K.; Bredow, Jonathan W. (IEEE, 1990-05)The scattering behavior from randomly rough surface targets has been analyzed by comparing the predictions of an integral equation model for surface scattering (Li and Fung, PIERS' 89, pg.144)to experimental data. This ... -
Comparison of Measurements and Theory for Backscatter from Bare and Snow-covered Saline Ice
Bredow, Jonathan W.; Gogineni, Sivaprasad P. (IEEE, 1990-07)C-band backscatter measurements were made on artificially grown sea ice at the U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) during the winters of 1987-1988 and 1988-1989. These measurements were made ... -
Comparisons Between a Dense Medium Scattering Model and Seaice Measurements
Tjuatja, Saibun; Fung, Adrian K.; Bredow, Jonathan W. (IEEE, 1990-05)A scattering model for a plane dense medium layerembeded with randomly located small spherical scatterers was developed. The effects of close spacing between the Scatterers were included in the developed phase matrix by ... -
Determination of volume and surface scattering from saline ice using ice sheets with precisely controlled roughness parameters
Porco, Ronald L.; Fung, Adrian K.; Tjuatja, Saibun; Jezek, Kenneth C.; Gogineni, Sivaprasad P.; Gow, Anthony J.; Bredow, Jonathan W. (IEEE Xplore, 1995-09)Experiments were performed at the U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, NH, to precisely determine the relative contributions of surface and volume scattering from saline ice that ... -
Error Correction Methods For Latency-constrained Flash Memory Systems
Ankolekar, Priyanka (Electrical Engineering, 2008-09-17)Maintaining the reliability of data stored in Flash devices and reading it correctly has become a challenge as the demand for higher density is forcing aggressive shrinking of Flash architectures. For all Flash systems, ... -
EVALUATION OF CODING TOOLS FOR SCREEN CONTENT IN HIGH EFFICIENCY VIDEO CODING
Chandrakant Kodpadi, Shwetha; 0000-0003-4225-3287 (2015-12-03)High Efficiency Video Coding (HEVC) [1] is the latest Video Coding format. It challenges the state-of-the-art H.264/AVC [3] Video Coding standard which is in current use in the industry by being able to reduce the bit rate ... -
Fabrication and modification of implantable micro-probes for neuro-studies
Cao, Hung Viet (2014-09-17)In this work, different types of implantable probes fabricated on Si and polyimide substrates for sensing neurotransmitters, recording extracellular action potentials and stimulating the neurons have been developed. Several ... -
Microwave/optical Studies of Saline Ice, Snow, Melt Ponds and Refrozen Melt Pond Ice
Gibbs, D.; Betty, C.; Fung, Adrian K.; Gogineni, Sivaprasad P.; Bredow, Jonathan W. (IEEE, 1993-03)Optical and microwave measurements of a variety of ice and snow targets were obtained in a large indoor cold room at the U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, N.H. Bistatic ... -
A Millimeter-wave Instrument for Use in a Synergistic, optical/millimeter-wave Approach to Pollution Monitoring
Bredow, Jonathan W.; Gibbs, D.; Fung, Adrian K.; Tjuatja, Saibun; Giradot, P. (IEEE, 1993-03)A multisensor approach is being developed at the University of Texas at Arlington (UTA) to improve upon current capabilities in environmental monitoring. These sensors consist of an FT-IR for operation in the near to ... -
Modeling An Instrumented (Tractor-semitrailer Combination) Vehicle: Using System Identification Methods
Irie, Bito (Electrical Engineering, 2009-09-16)In this thesis, properties of the input-output relationships of a tractor-semitrailer combination vehicle were analyzed. Predictive models of the system were identified using only input-output data collected separately ... -
Real Time Location Tool For Precision Tracking Of Passive UHF RFID Tags In Two Dimensions
Kenarangui, Nasir (Electrical Engineering, 2011-09-12)This thesis addresses this problem of a precise RTLS (Real Time Location System) by implementing a Passive UHF RFID system. A software is created that connects to an RFID reader and accesses it's functionality to collect ... -
SIMULATION AND DESIGN OF MICROBOLOMETERS FOR 5-14 µm WAVELENGTH AT OBLIQUE INCIDENCE
Mitra, Arkadeep; 0000-0002-3298-4222 (2017-05-09)A mathematical model was developed to calculate the total power absorbed and total power reflected for a microbolometer for oblique incidence of light viz. s and p polarization by varying the angle of incidence from 1 to ... -
Some Considerations Of Performance And Capacity Of Voice Over IP High Bit Rate Wireless Reverse Links
Framjee, Richard (Electrical Engineering, 2014-12)Evaluation of the performance and capacity of the wireless reverse links, that support concurrent voice over IP and packet data services, is important for spectral efficiency considerations. For a given traffic mix, this ... -
Steerable Antenna Array For UAV Applications
VijayKumar, Varsha (2018-01-25)An antenna array system design, demonstrating the possible application on an unmanned aerial vehicle platform using a full wave electromagnetic simulation software is presented. Linear array of patches in E plane and H ... -
A Study Of The Characteristics And Limitations Of Various Platings On Cylindrical Electrical Conductors
Scully, Robert C. (Electrical Engineering, 2014-03-12)This work explores the impedance characteristics of copper wires plated with tin, silver, or nickel, the most common type of wiring used in the computer, communications, and aerospace industries. The background of plated ...