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Journal Electromagnetic Waves and Electronic Systems №8 for 2015 г.
Article in number:
Global navigation satellite system users apparatus phase-lock loop system noise immunity in the conditions narrowband disturbance
Keywords: tracking breakdown probability phase-lock loop BPSK-signals
Authors:
V.V. Nerovny - Ph. D. (Eng.), Associate Professor, Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: val.nerownyj@yandex.ru V.A. Zemlyanukhin - Associate Professor, Head of Department, Deputy Head of Department, Military Educational and Scientific Center «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: carlos-80@mail.ru A.V. Zhuravlyov - Ph. D. (Eng.), Senior Research Scientist, JSC «SPE «PROTEK» (Voronezh). E-mail: protek@protek-vrn.ru
Abstract:
A mathematical model of a phase-lock loop system tracking breakdown probability definition in the conditions narrowband disturbance is given. Harmonic jamming with random initial phase is suggested as a mathematical model of narrowband disturbance. The results of performance evaluation of narrowband disturbance depending on its parameters as applied to the phase-lock loop system of the satellite navigation system users - terminals using BPSK signals are presented. It is shown that phase-lock loop system noise immunity in the conditions of narrowband disturbance decreases from 2 to 6 dB for differ-ent types of navigation signals in comparison with Gaussian noise.
Pages: 25-28
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