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High speed output interface for a multifrequency quaternary phase shift keying signal generated on an industry standard computerChilds, Robert Daniel. 12 1900 (has links)
Approved for public release; distribution is unlimited / A multiple frequency quaternary phase shift keyed signal
is generated using a complex Fast Fourier Transform on an
industry standard personal computer and is output using direct
memory access through a digital to analog converter. The
output is permitted at rates of up to the maximum direct
memory access rate of the computer. An assembly language
program loop, direct hardware output, and high level language
output are compared as alternate solutions to the problem of
outputting a data stream contained in the computer primary
memory. / http://archive.org/details/highspeedoutputi00chil / Lieutenant, United States Navy
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