Piscivorous Bird Deterrent Device Based on a Direct Digital Synthesis of Acoustic Signals

Autor: Arturs Aboltins, Dmitrijs Pikulins, Juris Grizans, Sergejs Tjukovs

Publikováno v: Elektronika ir Elektrotechnika, Vol 27, Iss 6, Pp 42-48 (2021)

This paper addresses the development of an acoustic deterrent device for the protection of fishponds and other objects against the unwanted presence of birds. The objective of the paper is not only providing of a deep analysis of available technologi

Externí odkaz: https://doaj.org/article/357df26004344bdeb07327acd73ccece

Performance Analysis of Vilnius Chaos Oscillator-Based Digital Data Transmission Systems for IoT

Autor: Ruslans Babajans, Darja Cirjulina, Filips Capligins, Deniss Kolosovs, Juris Grizans, Anna Litvinenko

Publikováno v: Electronics
Volume 12
Issue 3
Pages: 709

The current work is devoted to chaos oscillator employment in digital communication systems for IoT applications. The paper presents a comparative performance analysis of two different chaos data transmission systems: frequency-modulated chaos shift

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08f1c1550e513edf25890c486fe1ab06
https://doi.org/10.3390/electronics12030709

Design of acoustic signals for a seal deterrent device

Autor: Maris Zeltins, Juris Grizans, Maris Terauds, Arturs Aboltins, Dmitrijs Pikulins

Publikováno v: The Scientific Journal of Riga Technical University-Electrical, Control and Communication Engineering; Vol 16, No 2 (2020): Electrical, Control and Communication Engineering; 72-77
Electrical, Control and Communication Engineering, Vol 16, Iss 2, Pp 72-77 (2020)

During the past decade, attacks by grey seals on fishing nets in the Baltic Sea have caused considerable loss of fish catch and damage to fishing gears. One of the approaches to reduce the number of seal attacks on fishing nets is to use acoustic det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b158131ec93d4a19f1854fd42af25a60
https://ecce-journals.rtu.lv/article/view/3314

The Use of Kramers-Kronig Relations for Verification of Quality of Ferrite Magnetic Spectra

Autor: Juris Grizans, Tatjana Solovjova, Nikolajs Ponomarenko

Publikováno v: The Scientific Journal of Riga Technical University-Electrical, Control and Communication Engineering; Vol 9 (2015): The Scientific Journal of Riga Technical University-Electrical, Control and Communication Engineering; 30-35
Electrical, Control and Communication Engineering, Vol 9, Iss 1, Pp 30-35 (2015)

The complex initial permeability (CIP) as a function of frequency is one of the main properties of ferrites. This characteristic (CIP) is measured experimentally, therefore there can be found noisy, doubtful or incomplete parts of the spectrum. Thus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b98c68a4edeec010ce532cf8c4a40dd
https://ecce-journals.rtu.lv/article/view/1182