Browsing OU - Theses by Author "Goodman, Nathan"
Now showing items 1-19 of 19
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Accelerating Distributed Synthetic Aperture Radar Data Simulations Via CUDA
Rackelin, Eric (2022-05)A general simulation of distributed synthetic aperture radar (DSAR) data is useful to evaluate the theoretical performance of a DSAR system and its underlying algorithms without a deployed system in place. Simulating DSAR ... -
An analysis of the information content of radar detection
Crump, Trey (2022-08-04)The availability of the electromagnetic spectrum (EMS) was an unseen issue in the past, as there was sufficient spectrum access to suit the needs of its’ consumers. Today, the use of the EMS has been become integrated ... -
Analysis of the Nyquist Folding Receiver (NYFR)
Martin, James Camden (2018)Increased utilization of the radio frequency spectrum motivates receivers with wide instantaneous bandwidth for applications such as signals intelligence, cognitive radio, and compliance testing. Traditional wideband ... -
Design and integration of a low cost, size, weight, and power vertical-pointing synthetic aperture radar
Konyalioglu, Kurt (2022-05-13)In modern radar applications, cost, size, weight, and power (C-SWaP) are increasingly becoming critical factors in the design process. For use cases specifically in airborne radio frequency (RF) imaging, there is a key ... -
Digital Radar Implementation With System Response Compensation Through Amplitude Predistortion
Sun, Brian (2016-12-16)Radars traditionally synthesize waveforms by using a variety of analog electronics. These analog components are collectively referred to as the analog chain. A typical electronic analog chain contains multiple components, ... -
Evaluating the performance of methods for dual-function radar communications
Cole, Mikal (2022-12-16)Dual-Function Radar Communications (DFRC), where a radar and communications function is performed by the same antenna or array, has recently begun to be investigated as a means of alleviating or coping with spectrum ... -
Generation of Synthetic Antenna Apertures In Swarm Unmanned Aerial Systems Using Tight-Coupling
Korty, Benjamin (2022-05-13)Relative to their various land and air-based counterparts, swarm unmanned aerial system (SUAS) platforms, being comprised of many separate airborne bodies, or elements, possess a number of unique and advantageous ... -
GPS disciplined RFSoC synchronization, timing, and performance characterization in bistatic radar systems
Ortiz-Cheek, Michael (2023-12-15)Distributed radar geometries offer multiple advantages over monostatic pulse-Doppler radar, but synchronizing frequency and timing for transmitting and receiving nodes in a distributed system is required to more accurately ... -
Implementation and Analysis of Adaptive Spectrum Sensing
Mattingly, Rylee (2021-08-05)The electromagnetic spectrum is a finite resource that has become increasingly crowded as the day-to-day operation of the world has become increasingly reliant on wireless devices. With the growing deployment of the ... -
A Least Mean-Square Approach to Nonlinear Equalization of Digital Receivers
Peccarelli, Nicholas (2018-05-11)With an increased demand for fully-digital arrays for radar and communications systems by making use of low-cost components with relaxed linearity requirements, nonlinear equalization (NLEQ) is needed to increase ... -
Nonlinear Amplifier Amplitude Modulation Distortion Mitigation Techniques
Carlton, Brian (2022-05-13)High peak-to-average power ratio (PAPR) waveforms present a challenge to radar systems in which high power amplifiers operate in saturation to increase power efficiency. Previous works have demonstrated a marked reduction ... -
Predictive Tracking Simulation and Techniques for All-digital Radar
Pate, Savannah (2021-08-05)All-digital radar architectures allow radar systems to operate with more flexibility. Multiple Input, Multiple Output (MIMO) radars are especially effective at identifying multiple targets. Combined with statistical ... -
Reinforcement Learning for Cognitive Phased Array Radar Surveillance
Flandermeyer, Shane (2023-05-12)The proliferation of phased array radar (PAR) has significantly increased the flexibility of radar systems, making it possible to use a single radar to perform a variety of operational modes such as surveillance and tracking ... -
Reverse Backprojection Method for Simulation of Passive Bistatic SAR Data
Brumble, Tayler (2017-12-15)Synthetic Aperture Radar (SAR) is a valuable tool for acquiring information about landscapes through forming two-dimensional images remotely. SAR has useful applications for defense, intelligence, humanitarian, and urban ... -
SAR Image Formation via Subapertures and 2D Backprojection
Schone, Callin (2020-05-08)Radar imaging requires the use of wide bandwidth and a long coherent processing interval, resulting in range and Doppler migration throughout the observation period. This migration must be compensated in order to properly ... -
Simulation and Adaptive Aperture Allocation for All-Digital Phased-Array Radar
Recknagel, Corban (2019-08-01)Increased flexibility afforded by all-digital radar architectures and operational concepts such as MIMO radar can be leveraged with new waveforms and aperture allocation methods to improve radar performance in diverse ... -
Techniques for Simultaneous Transmit and Receive with All-Digital Arrays
Vann, Heath (2021-05-14)The increased flexibility provided by all-digital array architectures allows for the development of improved techniques toward achieving multi-function capability. In an all-digital array, element-level control can be ... -
Toolbox and Post-Processing Applications for Automotive Radar
Tisdale, Evan (2021-12-17)In recent years, companies have pushed the limits to offer partial and fully autonomous driving systems. All vehicles now have a wide array of sensors to aid in driving, ranging from lane assist to automated parallel ... -
Track-Initiated Beam Spoiling for Improved Tracking with Digital Phased-Array Radars
Short, Josh (2022-12-16)Radar systems have become highly dynamic with the advancements in all-digital radar architectures. All-digital radar architectures introduce the potential for dynamic beamforming. This thesis will detail the fundamentals ...