Signal processing method and apparatus

Details Signal processing method and apparatus Signal processing method and apparatus

1989-08-15

1990-10-30

Miller, Stanley D.

Boots, shoes, and leggings

328 15, 364485, 364725, 364825, H03K 706, H03K 110

Patent

active

049671618

ABSTRACT:
A signal processing method or apparatus in which an input signal is converted to a signal of a predetermined frequency characteristic and the resulting signal is reconverted to a signal of the original frequency characteristic, comprising: a first signal processing section for processing the input signal and having the first transfer function exp(-msT)/(1+K.multidot.cos(.omega.T) or a function approximating to the former function; a second signal processing section cascaded with the first signal processing section for processing the input signal and having a second transfer function of (1+K.multidot.cos(.omega.T).multidot.exp(-sT)), the first signal processing section having a linear phase characteristic and including an impedance circuit or an admittance circuit, each circuit including a ladder network of a plurality of inductance elements and capacitance elements.

REFERENCES:
patent: 3800131 (1974-03-01), White
patent: 4282579 (1981-08-01), Speiser et al.
patent: 4291330 (1981-09-01), Hirai
patent: 4513311 (1985-04-01), Hirai et al.
patent: 4771341 (1988-09-01), Shimizu et al.
patent: 4841471 (1989-06-01), Sloane

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