Search Results - "Krolik, Jeffrey L."

Passive Towed Array Shape Estimation Using Heading and Acoustic Data by Odom, Jonathan L., Krolik, Jeffrey L.

“…This paper addresses the problem of array shape estimation for passive towed sonar systems during platform maneuvers. Directional noise fields due to distant…”
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Waveguide-Invariant-Based Ranging and Receiver Localization Using Tonal Sources of Opportunity by Young, Andrew H., Harms, H. Andrew, Hickman, Granger W., Rogers, Jeffrey S., Krolik, Jeffrey L.

“…Acoustic emissions from cargo ships transiting coastal waterways, measured by a single hydrophone, can be exploited to estimate both the time-varying…”
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Multichannel Backscatter Communication and Ranging for Distributed Sensing With an FMCW Radar by Cnaan-On, Itay, Thomas, Stewart J., Krolik, Jeffrey L., Reynolds, Matthew S.

“…This paper considers the adaptation of frequency modulated continuous wave (FMCW) radars for sensor data exfiltration in addition to their primary use in area…”
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A Classification-Aided Recurrent Neural Network for Tracking in Urban Terrain by Martinez, Michael A., Krolik, Jeffrey L.

“…This paper addresses the challenge of tracking small unmanned aerial systems in urban terrain. Tracking is made up of two parts, state estimation and data…”
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Waveguide invariant focusing for broadband beamforming in an oceanic waveguide by Tao, Hailiang, Krolik, Jeffrey L.

“…The performance of broadband sonar array processing can degrade significantly in shallow-water environments when interference becomes angularly spread due to…”
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Matched-field depth estimation for active sonar by Hickman, Granger, Krolik, Jeffrey L

“…This work concerns the problem of estimating the depth of a submerged scatterer in a shallow-water ocean by using an active sonar and a horizontal receiver…”
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Joint space-time interpolation for distorted linear and bistatic array geometries by Varadarajan, V., Krolik, J.L.

“…This paper presents a new joint space-time interpolation technique (STINT) to improve the small sample support performance of space-time adaptive processing…”
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Time-varying spatial spectrum estimation with a maneuverable towed array by Rogers, Jeffrey S., Krolik, Jeffrey L.

“…This paper addresses the problem of field directionality mapping (FDM) or spatial spectrum estimation in dynamic environments with a maneuverable towed…”
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Maximum-likelihood spatial spectrum estimation in dynamic environments with a short maneuverable array by Odom, Jonathan L, Krolik, Jeffrey L, Rogers, Jeffrey S

“…This work concerns the development of field directionality mapping algorithms for short acoustic arrays on mobile maneuverable platforms that avoid the…”
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A Graph-Theoretic Approach to Constrained Floor Plan Estimation From Radar Measurements by Hickman, G., Krolik, J.L.

“…This paper proposes an approach to deducing the floor plan of a building using only a set of noisy room dimension measurements that have been obtained…”
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Ocean acoustic waveguide invariant parameter estimation using tonal noise sources by Harms, Andrew, Odom, Jonathan L., Krolik, Jeffrey L.

“…The abundance of shipping noise sources in ocean littoral zones provides a great opportunity to estimate ocean environmental parameters. The waveguide…”
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Isolation and minimization of head motion-induced signal variations in fMRI data using independent component analysis by Liao, Rui, McKeown, Martin J., Krolik, Jeffrey L.

“…Task‐related head movement during acquisition of fMRI data represents a serious confound for both motion correction and estimates of task‐related activation…”
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Inversion for refractivity parameters from radar sea clutter by Gerstoft, Peter, Rogers, L. Ted, Krolik, Jeffrey L., Hodgkiss, William S.

“…This paper describes estimation of low‐altitude atmospheric refractivity from radar sea clutter observations. The vertical structure of the refractive…”
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Recursive Bayesian electromagnetic refractivity estimation from radar sea clutter by Vasudevan, Sathyanarayanan, Anderson, Richard H., Kraut, Shawn, Gerstoft, Peter, Rogers, L. Ted, Krolik, Jeffrey L.

“…Estimation of the range‐ and height‐dependent index of refraction over the sea surface facilitates prediction of ducted microwave propagation loss. In this…”
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An information-theoretic criterion for intrasubject alignment of FMRI time series: motion corrected independent component analysis by Rui Liao, Krolik, J.L., McKeown, M.J.

“…A three-dimensional image registration method for motion correction of functional magnetic resonance imaging (fMRI) time-series, based on independent component…”
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High resolution adaptive beamforming for three-dimensional acoustic imaging of zooplankton by Papazoglou, Michael, Krolik, Jeffrey L.

“…This paper investigates the use of adaptive beamforming techniques to increase the performance of a sonar imaging system developed at the Scripps Institution…”
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Barankin bounds for source localization in an uncertain ocean environment by Tabrikian, J., Krolik, J.L.

“…Ambiguity surfaces for underwater acoustic matched-field processing are prone to having high secondary peaks. This leads to anomalous source localization…”
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Synthetic aperture processing for passive co-prime linear sensor arrays by Ramirez, Juan, Krolik, Jeffrey L.

“…In this paper, we explore the use of synthetic aperture processing for optimizing the spatial covariance estimation capabilities of a moving linear co-prime…”
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A generalized Karhunen-Loeve basis for efficient estimation of tropospheric refractivity using radar clutter by Kraut, S., Anderson, R.H., Krolik, J.L.

“…In this paper, we consider the problem of obtaining a reduced-dimension parameterization of a propagation medium for the purpose of estimating the medium from…”
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Performance bounds on acoustic thermometry of ocean climate in the presence of mesoscale sound-speed variability by Krolik, Jeffrey L., Narasimhan, Sunil

“…The ability to measure climatic changes in ocean temperature is fundamentally limited by the presence of mesoscale variability. Because ocean acoustic…”
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