Virtual windowing for fixed-point digital signal processors

Details Virtual windowing for fixed-point digital signal processors Virtual windowing for fixed-point digital signal processors

1997-10-27

2000-09-12

Ngo, Chuong Dinh

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

702 75, G06F 1710

Patent

active

061191396

ABSTRACT:
To determine the frequency content of a time series, a time series segment which spans a time interval is received. A time interval spanned by a symmetric tapered window with quantised elements is chosen such that the window time interval is greater than the segment time interval such that when the window is centered with respect to the segment time interval, the window element at either end of the segment time interval has the lowest available non-zero quantised value. Lastly a frequency representation of said time series may be obtained based on the time series segment and the quantised window.

REFERENCES:
patent: 5163050 (1992-11-01), Cromack
patent: 5373460 (1994-12-01), Marks, II
patent: 5548543 (1996-08-01), Wang
patent: 5651092 (1997-07-01), Ishii et al.

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