A New Filter Design Technique for Coded Excitation Systems

Pai Chi Li, Emad Ebbini, Matthew O‧Donnell

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

To increase range resolution and produce acceptable range sidelobe levels, filtering techniques rather than direct complex correlation are applied in coded excitation systems. In this paper, a new filter design technique based on both peak sidelobe levels and minimum sidelobe energy criteria is developed. In comparison to a classic inverse filter, this approach reduces sidelobe levels under a prespecified threshold. Further reduction can be achieved by extending the filter length. Indeed, this technique can be more generally applied to similar signal processing problems. Both the mathematical formulation and simulation results demonstrating the utility of the technique are presented. Finally, a discussion of quantization effects is included.

Original languageEnglish (US)
Pages (from-to)693-699
Number of pages7
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume39
Issue number6
DOIs
StatePublished - Nov 1992

Bibliographical note

Funding Information:
Manuscript received February 7, 1992; revised and accepted June 18, 1992. This work was supported in part by the University of Michigan under Grant BRSG 2 S07 RR070.50-25, in part by the College of Engineering of the University of Michigan, and in part by the General Electric Company. The authors are with the Electrical Engineering and Computer Science Department, University of Michigan, Ann Arbor, M1 48109-2122. IEEE Log Number 92032.50.

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