Nonlinear Computerized Methodology. A. Angle of Arrival Estimation. B. Data Modeling and Identification
OREGON STATE UNIV CORVALLIS DEPT OF ELECTRICAL AND COMPUTER ENGINEERING
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Multiple convolution of signals sonar or radar has been analyzed as a nonlinear preprocessing technique for source localization from arrays of receivers, for time-delay estimation in general, and for spectral estimation of nonstationary signals. The method has proved successful by computer simulation for many troublesome cases as a supplement to MUSIC and its adaptations and as a simple alternative or representation of the Wigner-Ville distribution. Also, a new two dimensional image processing method is being investigated by a transformed two-term Volterra series algorithm. The method appears promising for such applications as underwater green-laser data processing and other cases involving spatially coherent light and related nonlinear terms.
- Acoustic Detection and Detectors
- Active and Passive Radar Detection and Equipment