Signal-processing techniques for resolving individual pulses in a multipath signal

Journal of the Acoustical Society of America

Volumn 63, Issue 6, 1978, Pages 1861-1865

  Ehrenberg, J E ^a   Ewart, T E ^a   Morris, R D ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTICS;

ACOUSTIC SIGNAL PROCESSING;

SIGNAL PROCESSING;

EID: 0017981720     PISSN: 00014966     EISSN: NA     Source Type: Journal    
DOI: 10.1121/1.381926     Document Type: Article

References (11)

1. T. E. Ewart, “Acoustic Fluctuation in the Open Ocean—A Measurement Using a Fixed Refracted Path, ” J. Acoust. Soc. Am. 60, 46–59 (1976).
2. P. F. Worcester, “Reciprocal Acoustic Transmission in a Mid-Ocean Environment, ” Ph. D. dissertation submitted to the University of California in San Diego (1977) (unpublished).
3. The method for determining s(t) is discussed in the companion paper.
4. C. W. Helstrom, Statistical Theory of Signal Detection (Pergamon, New York, 1960), p. 208.
5. J. M. Wozencraft and I. M. Jacobs, Principles of Communication Engineering (Wiley, New York, 1965), p. 686.
6. There are actually 2AT +1 unknown parameters because the number of paths N is, in general, unknown. The method used to determine N is discussed later.
7. N. J. Nilsson, “On the Optimum Range Resolution of Radar Signals in Noise,” IRE Trans. Inf. Theory 11, No. 7, 245–253 (1961).
8. H. L. Van Trees, Detection, Estimation, and Modulation Theory (Wiley, New York, 1968), Pt. I, p. 274.
9. W. L. Root, “Radar Resolution of Closely Spaced Targets,” IRE Trans. Mil. Electron. MIL-6, 197—204 (1962).
10. T. E. Ewart, J. E. Ehrenberg, and S. A. Reynolds, “Observations of the phase and amplitude fluctuations of individual Fermat paths in a multipath environment, ” J. Acoust. Soc. Am. 63, 1801–1808 (1978).
11. A. V. Oppenheim and R. W. Schafer, Digital Signal Processing (Prentice-Hall, Englewood Cliffs, 1975), pp. 290–320.