METHODS AND APPARATUS FOR LOG-FTC RADAR RECEIVERS HAVING ENHANCED SEA CLUTTER MODEL
First Claim
Patent Images
1. A method, comprising:
- receiving signal return for a transmitted signal;
processing the received signal return including modeling sea clutter voltage with a cubic polynomial, wherein the processed signal is used for contact data extraction and target tracking; and
outputting the processed signal return.
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Abstract
Methods and apparatus to provide Log-Amp-detected radar sea clutter voltage modeled by a polynomial, such as a cubic polynomial, and using that model as a basis for sea clutter reduction filtering. In an exemplary embodiment, a navigational radar includes an STC filter design based on the cubic sea clutter modeling.
31 Citations
20 Claims
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1. A method, comprising:
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receiving signal return for a transmitted signal; processing the received signal return including modeling sea clutter voltage with a cubic polynomial, wherein the processed signal is used for contact data extraction and target tracking; and outputting the processed signal return. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An article, comprising:
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a computer readable medium containing stored instructions to enable a machine to perform; receiving signal return for a transmitted signal; processing the received signal return including modeling sea clutter voltage with a cubic polynomial, wherein the processed signal is used for contact data extraction and target tracking; and outputting the processed signal return. - View Dependent Claims (14, 15, 16, 17)
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18. A radar system, comprising:
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a receiver to receive signal return for a transmitted signal; a signal processing module to process the signal return; a sea clutter modeling module to model sea clutter with a cubic polynomial for the signal return; and a display to display information corresponding to the processed signal return. - View Dependent Claims (19, 20)
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Specification