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Global navigation satellite system users’ equipment frequency-lock-loop system noise immunity in the condition of signal-like jamming

Keywords:

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


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.
References:

  1. GLONASS. Princzipy' postroeniya i funkczionirovaniya / pod red. A.I. Perova, V.N. Xarisova. M.: Radiotexnika. 2010. 800 s.
  2. Perov A.I., Boldenkov E.N., Grigorenko D.A. Uproshhennaya analiticheskaya metodika oczenki potenczial'noj pomexoustojchivosti optimal'ny'x sledyashhix sistem priyomnikov sputnikovoj navigaczii // Radiotexnika. 2003. № 7. S. 78–87.
  3. Nerovny'j V.V. Matematicheskaya model' oczenki pomexoustojchivosti sistemy' slezheniya za chastotoj apparatury' potrebitelej sputnikovy'x radionavigaczionny'x sistem, ispol'zuyushhej BPSK signaly' // Teoriya i texnika radiosvyazi. 2013. Vy'p. 2. S. 46–50.
  4. Ventczel' E.S. Teoriya veroyatnostej. M.: Vy'ssh. shk. 2001. 315 s.

May 29, 2020

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