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Journal Radioengineering №6 for 2014 г.
Article in number:
Global navigation satellite system users - equipment frequency-lock-loop system noise immunity in the condition of signal-like jamming
Keywords: tracking breakdown probability frequency-lock-loop signal-like jamming
Authors:
A.V. Juravlev - Ph.D. (Eng.), Senior Research Scientist, chief designer - General Director Deputy of JSC NVP «PROTEK». E-mail: protek@protek-vrn.ru
V.V. Nerovny - Ph.D. (Eng.), Associate Professor, Air Force Academy named after professor N.E. Zhukovsky and Y.A. Gagarin (Voronezh). E-mail: val.nerownyj@yandex.ru
A.V. Zemlyanuhkin - Air Force Academy named after professor N.E. Zhukovsky and Y.A. Gagarin (Voronezh). E-mail: carlos-80@mail.ru
A.V. Smolin - Leading Engineer of JSC NVP «PROTEK». E-mail: smolinalexe@yandex.ru
Abstract:
A method of probability definition of the frequency-lock-loop system tracking breakdown during the allowed time under the conditions of the signal-like jamming is given. The results of signal-like jamming effectiveness evaluation conditionally its parameters as applied to GLONASS users - equipment frequency-lock-loop system using the civil signal are presented. The authors prove that the frequency-lock-loop noise immunity effected by signal-like jamming decreases 1,5 dB in comparison to the AWGN. The complexification of the frequency-lock-loop with inertial navigation systems allows its 4-5 dB noise immunity increase under the conditions of signal-like jamming.
Pages: 29-32
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