Time-varying matched filters
We examine a generalized matched-filter problem in which the interference is a nonstationary process generated by passing white noise through a general linear time-varying filter. First a matched filter is constructed by transforming the problem into an equivalent formulation involving stationary in...
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| Veröffentlicht in: | Circuits, systems, and signal processing systems, and signal processing, 1996-01, Vol.15 (5), p.609-630 |
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| container_end_page | 630 |
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| container_issue | 5 |
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| container_title | Circuits, systems, and signal processing |
| container_volume | 15 |
| creator | SILLS, J. A KAMEN, E. W |
| description | We examine a generalized matched-filter problem in which the interference is a nonstationary process generated by passing white noise through a general linear time-varying filter. First a matched filter is constructed by transforming the problem into an equivalent formulation involving stationary interference and a time-varying propagation channel. Whereas the response of a time-invariant matched filter is sampled at its peak, the response of this time-varying matched filter is normalized before sampling to account for variations in the signal power. Next a matched filter is constructed using a spectral characterization of the nonstationary interference. This construction is then used to formulate a simplified solution for the case where the rate of variation in the nonstationary interference is sufficiently small. The different solutions are illustrated by a numerical example. |
| doi_str_mv | 10.1007/BF01188985 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0278-081X |
| ispartof | Circuits, systems, and signal processing, 1996-01, Vol.15 (5), p.609-630 |
| issn | 0278-081X 1531-5878 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26412470 |
| source | SpringerNature Journals |
| subjects | Applied sciences Detection, estimation, filtering, equalization, prediction Exact sciences and technology Information, signal and communications theory Signal and communications theory Signal, noise Telecommunications and information theory |
| title | Time-varying matched filters |
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