Circuit for convolving a set of digital data

Details Circuit for convolving a set of digital data Circuit for convolving a set of digital data

1990-02-27

1991-07-09

Harkcom, Gary V.

Boots, shoes, and leggings

36472405, 36472417, G06F 1531

Patent

active

050311328

ABSTRACT:
A digital signal filter circuit for convolving a sequence of at least n+(q+1) data samples with a kernel of n coefficients, where the coefficients have as an envelope a polynomial function of degree q, which extracts a first set of q+1 contiguous data samples, stores n-(q+1) intermediate data samples following the set of (q+1) contiguous data samples, extracts from the sequence of data samples a second set of (q+1) contiguous data samples that follow the intermediate data samples, linearly combines the data samples of the first and second sets with weighting values that are a function of the coefficients of the polynomials to obtain a linear combination of (q+2) sequential convolved samples with binomial coefficients, and recursively selects at least one of the convolved sample from the linear combination of (q+2) sequential convolved samples.

REFERENCES:
patent: 3980873 (1976-09-01), Mattei
patent: 4062060 (1977-12-01), Nussbaumer
patent: 4720871 (1988-01-01), Chambers
patent: 4907182 (1990-03-01), Giuliano et al.

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