38 citations · 76 across the 17 of their papers we have counts for
18 papers
Characterizing the Narrowband Ambiguity Function of Frequency Modulated OFDM Waveforms
David A. Hague
This paper characterizes the spectral and Ambiguity Function (AF) properties of Frequency Modulated Orthogonal Frequency Division Multiplexing (FM-OFDM) waveforms employing Phase-S…
Multi-Directional Periodic Driving of a Two-Level System beyond Floquet Formalism
Michael Warnock, David A. Hague, Vesna F. Mitrovic
In this manuscript, we introduce an exact expression for the response of a semi-classical two-level quantum system subject to arbitrary periodic driving. Determining the transition…
Characterizing the Narrowband Ambiguity Function of Multi-Tone Sinusoidal Frequency Modulated Waveforms
David A. Hague
This paper characterizes the mainlobe and sidelobe structure of the Multi-Tone Sinusoidal Frequency Modulated (MTSFM) transmit waveform's narrowband Ambiguity Function (AF) for act…
Gradient-Descent Based Optimization of Multi-Tone Sinusoidal Frequency Modulated Waveforms
David G. Felton, David A. Hague
This paper describes a gradient-descent based optimization algorithm for synthesizing Multi-Tone Sinusoidal Frequency Modulated (MTSFM) waveforms with low Auto-Correlation Function…
Gradient-Descent Based Optimization of Constant Envelope OFDM Waveforms
David G. Felton, David A. Hague
This paper describes a gradient-descent based optimization algorithm for synthesizing Constant Envelope Orthogonal Frequency Division Multiplexing (CE-OFDM) waveforms with low Auto…
Characterizing the Ambiguity Function of Constant-Envelope OFDM Waveforms
David G. Felton, David A. Hague
This paper investigates the radar Ambiguity Function (AF) properties of Constant Envelope Orthogonal Frequency Division Multiplexing (CE-OFDM) waveforms employing Phase-Shift Keyin…
Continuous Phase Modulation of Phase Coded Transmit Waveforms using Multi-Tone Sinusoidal Frequency Modulation
David A. Hague
Phase Coded (PC) waveforms possess desirable Auto-Correlation Function (ACF) properties for use in radar and sonar systems. However, their spectra possess high spectral leakage due…
A Generalized Lerche-Newberger Formula
Parker Kuklinski, Michael Warnock, David A. Hague
The Lerche-Newberger formula simplifies harmonic sums of Bessel functions and has seen application in plasma physics and frequency modulated quantum systems. In this paper, we rigo…
Adaptive Transmit Waveform Design
David A. Hague
Recent research efforts in the Anti-Submarine Warfare (ASW) community have focused on developing sonar systems that adapt to their acoustic environment, referred to as "cognitive"…
Exploring the Interdependencies Between Transmit Waveform Ambiguity Function Shape and Off-Axis Bearing Estimation
David A. Hague, Matthew D. Tidwell
The frequency dependent beampatterns of an active sonar projector filters the acoustic signal that is transmitted into the medium, also known as the transmit waveform. This filteri…
Matched Illumination Waveforms using Multi-Tone Sinusoidal Frequency Modulation
Kaushallya Adhikari, David A. Hague
This paper explores the design of constant modulus Matched-Illumination (MI) waveforms using the Multi-Tone Sinusoidal Frequency Modulation (MTSFM) waveform model. MI waveforms are…
Generating Waveform Families using Multi-Tone Sinusoidal Frequency Modulation
David A. Hague
This paper presents a method for generating a family of waveforms with low in-band Auto/Cross-Correlation Function (ACF/CCF) properties using the Multi-Tone Sinusoidal Frequency Mo…
Adaptive Transmit Waveform Design using Multi-Tone Sinusoidal Frequency Modulation
David A. Hague
This paper presents an adaptive waveform design method using Multi-Tone Sinusoidal Frequency Modulation (MTSFM). The MTSFM waveform's modulation function is represented as a finite…
Spectral Perturbations of the Line Graph Laplacian
Ian M. T. Rooney, Parker S. Kuklinski, David A. Hague
The graph Laplacian is an important tool in Graph Signal Processing (GSP) as its eigenvalue decomposition acts as an analogue to the Fourier transform and is known as the Graph Fou…
Waveform Design using Multi-Tone Feedback Frequency Modulation
David A. Hague, Parker S. Kuklinski
This paper introduces a waveform design method using Multi-Tone Feedback Frequency Modulation (MT-FFM), a generalization of the single oscillator feedback FM method developed by [T…
Identities and Properties of Multi-Dimensional Generalized Bessel Functions
Parker Kuklinski, David A. Hague
The Generalized Bessel Function (GBF) extends the single variable Bessel function to several dimensions and indices in a nontrivial manner. Two-dimensional GBFs have been studied e…
An Experimental Evaluation of the Generalized Sinusoidal Frequency Modulated Waveform for Active Sonar Systems
David A. Hague, John R. Buck
This paper experimentally evaluates the Generalized Sinusoidal Frequency Modulated (GSFM) waveform, a generalization of the Sinusoidal Frequency Modulated (SFM) waveform. The Insta…
The Generalized Sinusoidal Frequency Modulated Waveform for Active Sonar Systems
David A. Hague
Pulse Compression (PC) active sonar waveforms provide a significant improvement in range resolution over single frequency sinusoidal waveforms also known as Continuous Wave (CW) wa…