Certain Digital Quadrature Signal Processing Techniques for Bandlimited Signals.
Research and development Jun 71-Jun 72,
NAVAL UNDERSEA CENTER SAN DIEGO CALIF
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The report discusses practical methods for signal processing bandpass signals by digital quadrature methods. These methods assume a sufficiently dense uniform sampling of a bandpass signal and include 1 extractions of quadrature samplings from uniform samplings, 2 polynomial interpolations in which the sampling frequencies f sub s pi W ensure exact interpolation, and 3 error corrections for interpolations over a finite data base. Also included are applications to the problems of measuring the instantaneous envelope, phase, and frequency of bandpass signals. Author
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