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DTIC ADA571683: ONR Graduate Traineeship Award Update |
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by Defense Technical Information Center |
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LONG-TERM GOALS: This project s goal is to explore ways |
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of using ambient noise in the ocean to extract the |
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physical characteristics of the ocean environment. In |
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addition, this research is the the PI s Ph.D. research, |
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leading to her completed Ph.D. this term. OBJECTIVES: |
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Noise correlation processing extracts coherent signals |
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from seemingly random noise data. Although this technique |
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has been successfully used in processing ocean ambient |
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noise data it has severe limitations due to the changing |
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ocean environment and the spatial and temporal |
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variability of the ambient noise field. In this project |
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we are: (1) investigating the physics of the noise |
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processing procedure that constrains the optimum |
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correlation, (2) attempting to understand where and how |
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the degradation of the derived time domain Green s |
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function (TDGF) comes about, and (3) exploit array and |
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signal processing techniques to optimize the signal-to- |
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clutter (otherwise known as the signal-tonoise ) rate of |
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the noise correlation processing. |
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Date Published: 2018-09-05 02:29:37 |
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Identifier: DTIC_ADA571683 |
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Item Size: 5204714 |
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Language: english |
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Media Type: texts |
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