FIELD: radio engineering, possible use in systems for digital processing of speech and images in real time scale.
SUBSTANCE: composition of digital filter in system of residual classes includes (dwg.1) generator of harmonic signal 3, transformer of residual classes system code to code of positional notation 5 and N modulus calculators 4m each one of which contains (dwg.2) transformers of positional code to modular discontinuous-logarithmic form 7, shift registers of digital signal counts 8.1 and shift registers of digital counts of impulse filter characteristic 8.2, modulus adders 9, transformer of code from discontinuous-logarithmic to modular form 10, controllable phase shifters 11 and phase shift meter 12.
EFFECT: increased speed of modulus arithmetic operations during computation of differential equation of digital filter.
2 dwg
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