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Optimum processing for delay-vector estimation in passive signal arrays
Abstract
For the purpose of localizing a distant noisy target, or, conversely, calibrating a receiving array, the time delays defined by the propagation across the array of the target-generated signal wavefronts are estimated in the presence of sensor-to-sensor-independent array self-noise. The Cramér-Rao matrix bound for the vector delay estimate is derived, and used to show that either properly filtered beamformers or properly filtered systems of multiplier-correlators can be used to provide efficient estimates. The effect of suboptimally filtering the array outputs is discussed.
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Cited by
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Position location using wireless communications on highways of the future
Rappaport, T. S., Reed, J. H., & Woerner, B. D. (1996) · IEEE Communications Magazine · doi:10.1109/35.544321 · Cited by 561
Time delay estimation for passive sonar signal processing
Carter, G. (1981) · IEEE Transactions on Acoustics, Speech, and Signal Processing · doi:10.1109/tassp.1981.1163560 · Cited by 484
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Ho, K. C., & Chan, Y. T. (1997) · IEEE Transactions on Aerospace and Electronic Systems · doi:10.1109/7.599239 · Cited by 264
Source localization in reverberant environments: modeling and statistical analysis
Gustafsson, T., Rao, B. D., & Trivedi, M. (2003) · IEEE Transactions on Speech and Audio Processing · doi:10.1109/tsa.2003.818027 · Cited by 164
Metadata
- Authors
- Hahn, W., & Tretter, S.
- Venue
- IEEE Transactions on Information Theory
- Published
- 1973-09
- Volume
- 19
- Issue
- 5
- Pages
- 608-614
- ISSN
- 0018-9448 (ISSN-L)
- 1557-9654
- OpenAlex
- W2155729187
- Cited by
- 236
- References
- 0
- FWCI
- 1.21
- Type
- journal article
- Language
- en
- Open access
- closed
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