Bispectrum signal processing on HNC's SIMD numerical array processor (SNAP)
1993
The bispectrum is a processing technique that can be used for improving the detection of signals in noise. It is an order N/sup 2/ operation performed over a two dimensional frequency plane and, because of computational demands, has not been used much in practice. HNC has developed a commercially available SIMD numerical array processor (SNAP) and implemented Tracor's computationally demanding bispectrum signal processing code as a submission for the Gordon Bell prize. The SNAP is a SIMD array of parallel processors connected in a linear ring. A SNAP system with 32 processors (SNAP-32) demonstrated a performance of over 7.5 GIGAFLOP per million dollars.
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