Fluctuations based digital signal processor including phase vari

Details Fluctuations based digital signal processor including phase vari Fluctuations based digital signal processor including phase vari

1996-12-31

1998-03-24

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Receiver circuitry

367901, 367 98, H04B 106

Patent

active

057320454

ABSTRACT:
A scheme for filtering noise from a signal, in which the noise fluctuates significantly in phase. The signal is sampled to produce N members of a time series and the phase of each signal extracted in the form of a magnitude and a phaser, i.e. for a time series .vertline.x.sub.1 .vertline.e.sup.i.theta..sbsp.1, .vertline.x.sub.2 .vertline.e.sup.i.theta..sbsp.2, . . . , .vertline.x.sub.N .vertline.e.sup.i.theta..sbsp.N, where .vertline.x.sub.n .vertline. is the magnitude of the nth member of the N time samples, and e.sup.i.theta..sbsp.N the phaser for the nth sample. The phasers are added to form a complex value s such that

REFERENCES:
patent: 4648057 (1987-03-01), Wagstaff et al.
R.A. Wagstaff et al., Phase Variations in a Fluctuation Based Processor, E vol. 2751, at p. 132 (proceedings of Conference held Apr. 8, 1996).

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