Search Results - "Baylis, Charles"
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Dilated POCS: Minimax Convex Optimization
Published in IEEE access (01-01-2023)“…Alternating projection onto convex sets (POCS) provides an iterative procedure to find a signal that satisfies two or more convex constraints when the sets…”
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Extrapolation of Load-Pull Data: A Novel Use of GAN Artificial Intelligence Image Completion
Published in IEEE transactions on microwave theory and techniques (01-11-2022)“…Amplifier design, both in traditional approaches and real-time circuit optimization, greatly benefits from fast and thorough extraction of information from…”
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3
Spurious Beam Suppression in Dual-Beam Phased Array Transmission by Impedance Tuning
Published in IEEE transactions on aerospace and electronic systems (01-10-2022)“…A significant challenge for dual-beam, codesigned systems, such as for simultaneous radar and communications transmission, has been identified as the spurious…”
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4
In Situ RF Current Assessment for Array Transmission and Optimization
Published in IEEE transactions on microwave theory and techniques (01-12-2023)“…In the increasingly congested wireless spectrum, phased-array transmitters can be used to provide spatial diversity as an additional measure of coexistence…”
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Joint Radar Amplifier Circuit and Waveform Optimization for Ambiguity Function, Power-Added Efficiency, and Spectral Compliance
Published in IEEE transactions on aerospace and electronic systems (01-06-2019)“…Future radar transmitters must be adaptive and reconfigurable in real time to be able to share spectrum dynamically with wireless communications. We…”
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Myths concerning Woodward's ambiguity function: analysis and resolution
Published in IEEE transactions on aerospace and electronic systems (01-12-2016)“…Woodward's ambiguity function measures the ability of a radar signal to simultaneously measure the range of an object via time delay and its velocity using…”
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7
Direct measurement of thermal circuit parameters using pulsed IV and the normalized difference unit
Published in 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) (2004)“…New methods are presented for direct extraction of thermal resistance and capacitance from pulsed IV measurements. Because thermal effects are frequency…”
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Conference Proceeding -
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Brokering Spectrum Sharing Using Dynamic Spatial-Spectral Masks
Published in IEEE transactions on electromagnetic compatibility (01-08-2024)“…Continued spectral crowding can potentially affect the operation of critical passive devices, such as radiometers and radio telescopes. Proliferation of fifth…”
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Small Perturbation Harmonic Coupling in Nonlinear Periodicity Preservation Circuits
Published in IEEE transactions on circuits and systems. I, Regular papers (01-12-2012)“…Nonlinear systems and circuits, while required for many applications, presently require a design procedure that is often complex. In many cases, the design…”
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10
Continuous Real-Time Circuit Reconfiguration to Maximize Average Output Power in Cognitive Radar Transmitters
Published in IEEE transactions on aerospace and electronic systems (01-06-2022)“…A spectrum sharing radar can be guided by a cognitive decision process to determine the optimal radar operating frequency as the spectral environment changes…”
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11
A Plasma-Switch Impedance Tuner With Microsecond Reconfiguration
Published in IEEE transactions on microwave theory and techniques (01-01-2023)“…With many frequency bands previously allocated solely for radar now being reallocated for sharing, radar transmitters must be frequency-agile, able to quickly…”
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12
A Hybrid Data Storage Method for Pulse-to-Pulse Optimizations
Published in IEEE transactions on radar systems (2024)“…Due to increasing congestion in the radar frequencies due to reallocations, the pressure upon radar systems to avoid interference through dynamically changing…”
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13
Real-Time Circuit Optimizations for Dual-Function Radar-Communications
Published in IEEE transactions on radar systems (2024)“…Spectral efficiency has become increasingly important in the modern congested spectral environment. Directional modulation multiplexing helps by using spatial…”
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14
Evaluation of Harmonic Coupling Weights in Nonlinear Periodicity Preservation Systems
Published in IEEE transactions on circuits and systems. I, Regular papers (01-12-2012)“…When stimulated by a periodic stimulus, every component of a possibly nonlinear periodicity preservation system oscillates periodically with the same period as…”
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15
Fast Optimization Algorithm for Evanescent-Mode Cavity Tuner Optimization and Timing Reduction in Software-Defined Radar Implementation
Published in IEEE transactions on aerospace and electronic systems (01-08-2020)“…Dynamic spectrum allocation will require cognitive radar transmitters to change operating frequency and bandwidth in real time. This will require high-power…”
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16
Amplifier-in-the-Loop Adaptive Radar Waveform Synthesis
Published in IEEE transactions on aerospace and electronic systems (01-04-2017)“…Adaptive algorithms having the capacity to perform real-time optimization in response to a dynamic environment will be necessary for the development of a…”
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17
In-Situ Assessment of Array Antenna Currents for Real-Time Impedance Tuning
Published in 2022 IEEE International Symposium on Phased Array Systems & Technology (PAST) (11-10-2022)“…Impedance tuning has shown promise to maximize output power, gain, or efficiency for transmitter amplifier devices in changing frequency or array environments…”
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Conference Proceeding -
18
Cascade watchdog: a multi-tiered adversarial guard for outlier detection
Published in Signal, image and video processing (01-06-2023)“…The identification of out-of-distribution content is critical to the successful implementation of neural networks. Watchdog techniques have been developed to…”
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19
Bias Smith Tube Optimization of Drain Voltage and Load Reflection Coefficient to Maximize Power-Added Efficiency Under ACPR Constraints for Radar Power Amplifiers
Published in IEEE transactions on aerospace and electronic systems (01-02-2019)“…Reconfigurable transmitter power amplifiers will be necessary in future cognitive radar systems to allow adjustment in operating frequency, spectral output,…”
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Real-Time Amplifier Load-Impedance Optimization for Adaptive Radar Transmitters Using a Nonlinear Tunable Varactor Matching Network
Published in IEEE transactions on aerospace and electronic systems (01-02-2019)“…Future radar transmitters will need to be able to quickly reconfigure their radio-frequency circuitry to change operating frequency and spectral output while…”
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