Computing device

Details Computing device Computing device

1982-02-08

1985-03-26

Smith, Jerry

Boots, shoes, and leggings

364571, 455 63, G06F 1536

Patent

active

045077410

ABSTRACT:
A digital data processor adapted to be responsive to an applied signal input (x.sub.n) for generating an output signal indicative of a preselected function of the signal input, and comprising signal sampling memory means adapted to be responsive to an alternate one of the applied input signal and a clocked counter output as a read/write-address for generating a statistical amplitude density function d(x) representing the number of occurrences of an amplitude of a sampled input x. Digital attenuating means is interposed between a read-out and read-in of said memory means during sampling intervals in which said memory means is responsive to said clocked counter output for low-pass filtering the amplitude density function as to be dependent of the size of the sampled population of the sampled signal (x.sub.n). There is further provided digital integration means responsive to said low-pass filtered amplitude density function during said sampling intervals for providing an output indicative of a normalized amplitude distribution function D(x) of the applied signal input (x.sub.n). Additional functions of the input signal (x) can also be conveniently generated.

REFERENCES:
patent: 3983320 (1976-09-01), Ketcham et al.
patent: 3996421 (1976-12-01), Pruznick et al.
patent: 4212072 (1980-07-01), Huelsman et al.
patent: 4315319 (1982-02-01), White
patent: 4318174 (1982-03-01), Suzuki et al.
patent: 4394744 (1983-07-01), Wrench

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