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- W2016408133 abstract "Recent results due to T. C. Yang [J. Acoust. Soc. Am. 82, 1736–1745 (1987)] have shown that matched-mode processing can provide range-depth source localization with good sidelobe and array gain performance. His simulations and success with limited data suggest that the matched-mode processor is relatively robust with respect to environmental and hydrophone position mismatch. The objective of this study is to compare the performance of matched-mode versus matched-field processing under identical array geometry and environmental conditions. Assuming a range-independent deep ocean environment, sound-speed mismatch and sensor location mismatch were simulated at second convergence zone ranges. Eigenvalue truncated (reduced rank inverse) matched-mode processor performance was compared to conventional matched-field processor performance at 30 Hz on a large aperture vertical array. In the absence of mismatch, the two methods yield near identical results on an array spanning half the water column. The results in the presence of mismatch will be discussed and quantified in terms of signal gain degradation, sidelobe level, and speckle." @default.
- W2016408133 created "2016-06-24" @default.
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- W2016408133 date "1988-11-01" @default.
- W2016408133 modified "2023-09-27" @default.
- W2016408133 title "A comparison of matched‐mode and matched‐field processor performance against sound‐speed and sensor position mismatch" @default.
- W2016408133 doi "https://doi.org/10.1121/1.2026049" @default.
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