FORMATION ANALYSIS OF MULTI-FREQUENCY SIGNALS OF LASER INFORMATION MEASURING SYSTEM-Reference-Cited by-同舟云学术

FORMATION ANALYSIS OF MULTI-FREQUENCY SIGNALS OF LASER INFORMATION MEASURING SYSTEM

Published:2019-09-17 Issue: Volume:5 Page:19-28
ISSN:2461-4262
Container-title:EUREKA: Physics and Engineering
language:en
Short-container-title:

Author:

Herasimov Sergey¹,Tymochko Oleksandr²,Kolomiitsev Oleksii³,Aloshin Gennadiy⁴,Kriukov Oleksandr⁵,Morozov Oleksandr⁶,Aleksiyev Volodymyr⁷

Affiliation:

1. Ivan Kozhedub Kharkiv National University of Air Force

2. Ivan Kozhedub Kharkiv National Air Force University

3. Military Institute of Tank Troops National Technical University "Kharkiv Polytechnic Institute"

4. Ukrainian State Academy of Railway Transport

5. National Academy of National Guard of Ukraine

6. National Academy of the National Guard of Ukraine

7. Simon Kuznets Kharkiv National University of Economics

Abstract

Improving the accuracy of measuring motion parameters and the volume of information exchange with aircraft requires the modern development of multifunctional radio systems that allow the combination of information and measuring channels due to frequency (time) signal selection. However, radio systems have limitations on the number and accuracy of the measurement of aircraft motion parameters, as well as information transfer rates. These restrictions will make it possible to remove laser systems for measuring with high accuracy the parameters of motion of aircraft. Similar laser systems are widely used in transmitting information to stationary or quasi-stationary objects. As a result, there was a need to overcome the contradiction between the requirements for the technical characteristics of radio systems and the capabilities of the existing scientific and methodological apparatus for synthesizing the signals of laser information-measuring systems for monitoring the parameters of aircraft motion. The theoretical foundations of the formation and selection of laser signals for combining the information and measuring channels of laser information-measuring systems are proposed and investigated. A comparison is made with known methods of combining (combining) the information and measuring channels of radio engineering systems and the features of using a spectrum of laser radiation formed by pairs of longitudinal modes that “color” each channel signal for their selection at reception. When receiving optical pairs of longitudinal modes, the intermode beat frequencies turn into radio engineering subcarriers that are well filtered and selectable. Based on the results of mathematical modeling and combinations of longitudinal modes, the choice of elements of a modified selector of longitudinal modes of laser information-measuring systems is substantiated. This determines the importance and usefulness of work for applied systems for measuring the parameters of movement of aircraft.

Publisher

OU Scientific Route

Subject

General Physics and Astronomy,General Engineering

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