Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control
Reexamination Certificate
2008-11-24
2011-11-29
Pihulic, Daniel (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Returned signal used for control
Reexamination Certificate
active
08068385
ABSTRACT:
A system and a corresponding method used with a sensor array selects candidate weak target signals from within one or more received signals and enhances those candidate weak target signals relative to a noise background.
REFERENCES:
patent: 4420824 (1983-12-01), Weber
patent: 4549286 (1985-10-01), Langeraar et al.
patent: 4933914 (1990-06-01), Feintuch et al.
patent: 5216640 (1993-06-01), Donald et al.
patent: 5457662 (1995-10-01), Forster
patent: 5481505 (1996-01-01), Donald et al.
patent: 5914912 (1999-06-01), Yang
patent: 6130641 (2000-10-01), Kraeutner et al.
patent: 6424596 (2002-07-01), Donald
patent: 6525994 (2003-02-01), Donald et al.
patent: 2004/0071046 (2004-04-01), Kervern et al.
patent: 2006/0007784 (2006-01-01), Lerro et al.
patent: 2006/0133211 (2006-06-01), Yang
patent: 2010/0128566 (2010-05-01), Jiang
patent: 2011/0128819 (2011-06-01), Jiang
Kadambe et al.; “Application of Cross-Term Deleted Wigner Representation (CDWR) for Sonar Target Detection/Classification;” Conference Record of the 32ndAsilomar Conference on Signals, Systems and Computers, vol. 1; Nov. 1-4, 1998; pp. 822-826.
Kadambe et al.; “Instantaneous Frequency Estimation Using the Cross-Term Deleted Wigner Representation (CDWR);” Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, Jun. 18-21, 1996; pp. 289-292.
Jiang et al.; Active Sonar and Active Sonal Method Using Hoise Reduction Techniques and Advanced Signal Processing Techniques; U.S. Appl. No. 12/465,127, filed May 13, 2009; 48 pages.
Kadambe et al.; “Cross Term Deleted Wigner Representation (CDWR) Based Signal Detection Methodologies;” Acoustics, Speech and Signal Processing, 1996; ICASSP-96; Conference Proceedings; 1996 IEEE International Conference; May 7-10, 1996; vol. 5; pp. 2583-2586.
Kadambe et al.; “Comparative study of the Cross-term Deleted Wigner and Cross Biorthogonal representations;” Signals Systems and Computers, 1997; Conference Record of the 31stAsilomar Conference; vol. 2; Nov. 2-5, 1997; pp. 1484-1488.
Office Action dated Jul. 8, 2011 for U.S. Appl. No. 12/465,127; filed May 13, 2009; 17 pages.
Daly, Crowley & Mofford & Durkee, LLP
Pihulic Daniel
Raytheon Company
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