Boots – shoes – and leggings
Patent
1991-01-22
1993-03-23
Mai, Tan V.
Boots, shoes, and leggings
G06F 1531
Patent
active
051970201
ABSTRACT:
A wave digital filter wherein structures are specified such that the transfer function (Y/X) can be arbitrarily prescribed. The filter input signal X--individually weighted via multipliers (E.sub.1 . . . E.sub.x)--is input at all adaptor inputs and outputs with adders. The filter output signal Y is formed by summation of the signals weighted via further multipliers (A.sub.a . . . A.sub.y) which are output at all adapter and delay inputs and outputs.
REFERENCES:
patent: 4192008 (1980-03-01), Mandeville
patent: 4827443 (1989-05-01), Meerkotter et al.
Claasen et al, "Some Consideration on the Implementation of Digital Systems for Signal Processing", Philip Res. Repts 30, 73-84, 1975.
Sikstrom, "Implementations of Wave Digital Filters Using Modular Hardware", Conference: International Conference on Digital Processing of Signals in Communications, Loughborough, Leics, England (Apr. 1-10, 1981).
"Wave Digital Biquads Derived from RC-Active Configurations", C. Eswaran et al, IEEE Transactions on Circuits and Systems, vol. Cas-31, No. 9, Sep., 1984, pp. 779-787.
"Limit-Cycle Free Complex Biquad Recursive Digital Filters", K. S. Prasad et al, IEEE Transactions on Circuits and Systems, vol. 36, No. 2, Feb., 1989, pp. 280-285.
Mai Tan V.
Siemens Aktiengesellschaft
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