Matched Filters for Delayed, Doppler-Shifted Signals: Applicability Criteria.
Final rept. Jul-Dec 69,
NAVAL UNDERSEA RESEARCH AND DEVELOPMENT CENTER SAN DIEGO CA
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The matched filter used in echo ranging is commonly based upon the approximation of the Doppler effect by a translation of the signal spectrum. Conditions under which this filter is most effective are found by setting up the filter response to a more exact echo waveform, expanding in powers of vc, where v is the range rate and c is the velocity of propagation, then looking for those relations which make the canonical response Woodwards function an accurate characterization. Author
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