Digital filter apparatus with resonance characteristics

Details Digital filter apparatus with resonance characteristics Digital filter apparatus with resonance characteristics

1981-07-01

1984-08-21

Malzahn, David H.

Boots, shoes, and leggings

333166, G06F 1531

Patent

active

044674406

ABSTRACT:
A basic coefficient to be used for calculation of a transfer function of a digital filter is read out from a ROM according to a cutoff frequency of a desired filter. The value of the coefficient read out from the ROM is gradually varied according to a desired resonance characteristic by an arithmetic circuit so as to reduce the memory capacity of the ROM for storing coefficients.

REFERENCES:
patent: 3706076 (1972-12-01), Schuster
patent: 3955193 (1976-05-01), Koffler et al.
patent: 4146931 (1979-03-01), Delforge
Anderson, "Programmable Digital Filter Performs Multiple Functions" Electronics Oct. 26, 1970, pp. 78-84.
Rader et al., "Digital Filter Design Techniques in the Frequency Domain" Proceedings of the IEEE, vol. 55, No. 2, Feb. 3 '67, pp. 149-171.
Gardner, "Reduction of Sensitivities in Sampled-Data Filters" IEEE Trans. on Circuit Theory Nov. 3 '70 pp. 660-663.
Gorshkov, "Digital Band Filter" Instrum. & Exp. Tech. (USA) vol. 22, No. 3, Nov. 1979, pp. 717-721.

Affiliated with

Also associated with

Rating

Digital filter apparatus with resonance characteristics does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital filter apparatus with resonance characteristics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital filter apparatus with resonance characteristics will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1938611