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- W2292265948 abstract "In this paper novel parameter technique (FPT) for time delay estimation (TDE) in source localization problem is described. We propose passive source localization technique based on the development of an energy efficient algorithm that can reduce intersensor and interarray communication. We propose a parameter (FP) which can be defined for any sensor in distributed sensor subarrays during the observation period. Unlike classical TDE methods that evaluate cross-correlation function, FPT requires evaluation based upon single sensor signal. The computed cross- correlation between a signal and its analytic flipped pair (flipped correlation) is a smooth function which peak (time delay) can be accurately detected. Flipped parameters are sufficient to determine all differential delays of the signals related to the same source. The parameter technique can be used successfully in two-step methods of passive source localization with significantly less energy in comparison to the classic cross- correlation. The use of FPT method is especially significant for the energy con-strain distributed sensor subarrays. Using synthetic seismic signals, we illustrate the error of the source localization for classical and proposed method in the presence of noise. We demonstrate the performance improvement in noise environment of the pro-posed technique in comparison to the classic methods that use real signals. The pro-posed technique gives accurate results for both coherent and non-coherent signals." @default.
- W2292265948 created "2016-06-24" @default.
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- W2292265948 date "2009-01-01" @default.
- W2292265948 modified "2023-09-24" @default.
- W2292265948 title "FLIPPED PARAMETER TECHNIQUE APPLIED ON SOURCE LOCALIZATION IN ENERGY CONSTRAINT SENSOR AR-RAYS UDC 621.39.181" @default.
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