Distributed processing device for a digital filter

Details Distributed processing device for a digital filter Distributed processing device for a digital filter

1993-09-03

1996-06-04

Chin, Stephen

Pulse or digital communications

Receivers

Interference or noise reduction

375229, 348399, H03H 730, H04B 110

Patent

active

055240283

ABSTRACT:
A horizontal synchronizing signal is counted by a binary counter. A first switch is switched in response to the count value, whereby signal data is classified. A sampling clock signal is counted by a binary counter. An output of the first switch is switched by second and third switches in response to the count value, whereby the data input rate of signal data is reduced. Each classified signal is subjected to filtering by a two-dimensional FIR digital filter.

REFERENCES:
patent: 5111303 (1992-05-01), Senso et al.
patent: 5122788 (1992-06-01), Sid-Ahmed et al.
patent: 5245433 (1993-09-01), Sid-Ahmed et al.
patent: 5282226 (1994-01-01), Critchlow
"The LU Decomposition Theorem and Its Implications to the Realization of Two-Dimensional Digital Filters" By C. L. Nikias et al., IEEE Transaction on ASSP vol. 33 No. 3, Jun. 1985.
"Digital Coding of Waveforms Principles & Applications to Speech and Video", Jayant et al Prentice Hall pp. 604-606.

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