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Abstract

A new method of noise generation based on software implementation of a 7-bit LFSR based on a common polynomial PRBS7 using microcontrollers equipped with internal ADCs and DACs and a microcontroller noise generator structure are proposed in the paper. Two software applications implementing the method: written in ANSI C and based on the LUT technique and written in AVR Assembler are also proposed. In the method the ADC results are used to reseed the LFSR after its each full work cycle, what improves randomness of generated data, which results in a greater similarity of the generated random signal to white noise, what was confirmed by the results of experimental research. The noise generator uses only the internal devices of the microcontroller, hence the proposed solution does not introduce hardware redundancy to the system.

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Authors and Affiliations

Zbigniew Czaja
Michał Kowalewski
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Abstract

The paper discusses the characteristics of spatial electromagnetic noise generators, as well as the formation of a broadband noise signal. A number of well-known methods for assessing the quality of masking noise interference and the approaches used in them have been described. Approaches to the measurement of masking noise were also determined in assessing their quality. In conclusion, additional methods are proposed for assessing the quality of masking noises, such as searching for correlation of noise in different frequency sub-bands and using statistical and (or) graphical methods (tests) for randomness.
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Authors and Affiliations

Nurzhigit Smailov
1
Askhat Batyrgaliyev
1
Ainur Akhmediyarova
2
Nurgul Seilova
1
Madina Koshkinbayeva
3
Moldir Baigulbayeva
4
Ryszard Romaniuk
5
Maxat Orunbekov
6
Kabdoldina Assem
4
Andrzej Kotyra
7

  1. Satpayev University, 050000 Almaty, Kazakhstan
  2. Institute of Information and Computational Technology, 050010 Almaty, Kazakhstan
  3. Miras University, 160012 Shymkent, Kazakhstan
  4. Al-Farabi Kazakh National University, 050040 Almaty, Kazakhstan
  5. Warsaw University of Technology, Poland
  6. Kazakh Academy of Transport and Communications named after M.Tynyshpayev, Almaty, Kazakhstan
  7. Lublin University of Technology, Lublin, Poland

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