Device for processing logarithmic signals, and its application t

Details Device for processing logarithmic signals, and its application t Device for processing logarithmic signals, and its application t

1981-12-04

1985-07-23

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

364768, 343 172R, G01S 1316, G06F 7566

Patent

active

045311242

ABSTRACT:
The device for processing logarithmic signals is intended to deliver the logarithm of the sum of the signals which are given under the logarithm sign. The digital processing device receives at least two logarithmic signals and comprises a subtracting circuit for forming the difference between the logarithmic signals applied to the inputs and a transcoder circuit for performing the operation ##EQU1## where Log r1 and Log r2 are respectively the signals applied to the inputs of the device and an adding circuit for performing the operation ##EQU2## and delivering the desired signal Log (r1+r2).

REFERENCES:
patent: 4121212 (1978-10-01), Taylor
The Metamorphosis of Software-Related Invention Patentability, by Nelson Moskowitz from Computer/Law Journal, vol. III, Spring 1982, No. 3, pp. 273-336.

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