Nonlinear overlap method for time scaling

Details Nonlinear overlap method for time scaling Nonlinear overlap method for time scaling

2007-02-06

2007-02-06

Vo, Don N. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C704S218000, C704S258000

Reexamination Certificate

active

10605518

ABSTRACT:
A nonlinear overlap method for time scaling to synthesize an S1[n] and an S2[n] into an S3[n] is disclosed. The S1[n] and the S2[n] having N1and N2signals respectively. The nonlinear overlap method includes the following steps: (a) delaying the S2[n] by a predetermined number and forming an S5[n], (b) establishing a correlogram of a cross-correlation function of the S1[n] and S5[n], and (c) setting S3[n] as a number of S1[n] when0<=n<; as a number formed by overlap-adding the S1[n] and an S4[n] in a weighting manner when (the predetermined number+the maximum index+the first threshold)<=n<(N1−a second threshold); and as a number of S4wherein the first and second thresholds are not equal to zero at the same time, and the S4[n] is formed by delaying the S5[n] by the maximum index.

REFERENCES:
patent: 4868867 (1989-09-01), Davidson et al.
patent: 5845247 (1998-12-01), Miyasaka
patent: 6484137 (2002-11-01), Taniguchi et al.
patent: 2005/0273321 (2005-12-01), Choi

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