V.I. Volovach – Dr.Sc. (Eng.), Associate Professor, Head of Department «Information and Electronic Service»,  Volga Region State University of Service (Tolyatti)

E-mail: volovach.vi@mail.ru

V.М. Artyushenko – Dr.Sc. (Eng.), Professor, Head of Department «Information Technology and Management Systems», Technological University («TU» GBOU VO MO) (Korolev)

E-mail: artuschenko@mail.ru

It is shown that for the successful synthesis and analysis of information-measuring systems it is necessary to consider the impact of additive-multiplicative noise on the processed signal.

Expressions are obtained to determine the probability density distribution of the instantaneous values of the useful signal, as well as a mixture of the signal and additive noise under the action of multiplicative (modulating) noise.

It is shown that the obtained mathematical expressions make it possible to simulate the probability density distribution of the said mixture at an arbitrary distribution law of the envelope signal.

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