=Paper=
{{Paper
|id=Vol-2683/paper15
|storemode=property
|title=High-precision technologies for hydro-acoustic studies of complex bottom relief are one of the areas of the special economic zone of the high-tech park
|pdfUrl=https://ceur-ws.org/Vol-2683/paper15.pdf
|volume=Vol-2683
|authors=Nataliia Punchenko,Oleksandra Tsyra,Galyna Kovalova,Mariia Levkovska,Valentina Solodka
}}
==High-precision technologies for hydro-acoustic studies of complex bottom relief are one of the areas of the special economic zone of the high-tech park==
https://ceur-ws.org/Vol-2683/paper15.pdf
High-Precision Technologies for Hydro-Acoustic
Studies of Complex Bottom Relief are One of the
Areas of the Special Economic Zone of the High-
Tech Park
Nataliia Punchenko Mariia Levkovska Oleksandra Tsyra Valentina Solodka Galyna Kovalova
dept. of automated dept. of Hygiene and dept. of dept. of dept. of mathematics
systems and Medical Ecology communication communication Odessa State
cybersecurity Odessa National Networks networks Academy of Civil
Odessa State Medical University O.S. Popov Odesa O. S. Popov Odesa Engineering and
Academy of Odesa, Ukraine National Academy of National Academy of Architecture
Technical Regulation Levkovskaja46@gmai Telecommunications Telecommunications Odesa, Ukraine
and Quality l.com Odesa, Ukraine Odesa, Ukraine gkovalova@ukr.net
Odesa, Ukraine ORCID 0000-0003- Aleksandra.tsyra@gm valyaonas@gmail.co ORCID 0000-0003-
iioonn24@rambler.ru 2016-8567 ail.com m 2228-2312
ORCID 0000-0003- or ORCID 0000- ORCID0000-0002-
1382-4490 0003-3552-2039 5357-6682
Abstract—Consideration is given to the processing of hydro-
acoustic data recorded using depth gauges in combination with II. THE ERRORS PRESENT IN THE MEASUREMENTS
navigation information sensors. Particular attention is paid to The main function of depth gauges is to ensure the safety
multi-beam echo sounders. To improve the efficiency in the of navigation for vessels of all classes. This task is
processing of measurement information time interpolation is particularly relevant today, when in the world becomes more
performed.
complicated due to the increase in the number of large-
Keywords—multi-beam echo sounder, depth measurement, capacity vessels, the decrease in their maneuverability, and
navigation information sensors, sonar the increase in their draft. In connection with the
improvement of the design of ships, the number of depths
dangerous for navigation increases, all the more so since the
I. INTRODUCTION fleet is required to work in all water areas and under any
Comprehensive knowledge of the World Ocean with aim navigation conditions to solve transports problems.
for the use of its resources is one of the global problems of an
In order to ensure the safety of navigation, for depth
innovative society. To accomplish this task, along with a
meters, attention should be focused on improving such
compass and lags as well as number of the basic technical
characteristics of navigation depth measurement tools as:
means for navigation ensuring the safety of navigation for
accuracy of readings and measurements, degree of
ships, various types of distance meters basically hydro-
automation, and reliability. We must remember that
acoustic are used. Depth gauges are multifunctional and
correctness of results is determined by the fact that they do
widely used on ships of various activities and warships.
not contain errors. Effective results are methods of solving
The creation of multi-beam echo sounders brought this problems, etc., which provide an error-free solution of
problem to a qualitatively new level. With the advent of high- problems [1]. It should be borne in mind that no hardware
precision certified integrated systems of the new generation, improvements can completely eliminate the errors present in
which use the latest design solutions in the development of the measurements, which are determined by a number of
acoustic emitters and in the creation of new digital signal factors. Since modern echo sounders can only work in
processing technologies, have become the most effective conjunction with sensors of navigation information and
means for conducting hydrographic work, since as a result of information about the spatial orientation of the carrier vessel,
their use, material and time costs are significantly reduced next to the errors introduced by the echo sounder, it becomes
due to expanding the bandwidth and increasing the amount of necessary to take into account the measurement errors of
data collected. these sensors, which, significantly, affect the quality of the
source information, especially conducting deep-sea
measurements [2]. It is also necessary to introduce corrections
Copyright © 2019 for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0)
for the refraction of acoustic rays during their propagation amendments. After each depth correction operation, a control
into a non-marine marine environment. It follows that the file is created, so there is always an opportunity to control the
search for new approaches to the organization of effective post-processing process.
information systems to assist in navigation is a promising way
to improve the general safety of navigation [3]. A larger source of error for a multipath echo sounder is an
incorrectly measured sound velocity profile. The effect of an
Improving the efficiency of navigation echo sounders in incorrectly introduced sound speed profile can be seen on the
modern conditions is impossible without considering the bottom profile (sweep) - it will have a twisted look (smile),
section of science that is rapidly developing at the present especially on the extreme rays on a flat, even floor.
time, and undoubtedly has a great future - a hydro-acoustics.
The appearance of which was preceded by a long path of There are angular corrections for the relative orientation
development of theoretical and applied acoustics. The first of the roll sensor, gyrocompass and antenna of a multi-beam
information about the manifestation of human interest in the echo sounder. Under ideal conditions, all three sensors must
spread of sound in water is found in the notes of a famous be mounted so that the directions of the three axes coincide.
Renaissance scholar Leonardo da Vinci: “If you, being at sea In reality, an emergent set of sensors is visible, where the
put a pipe in the water, and to put the other end to your ear, inconsistencies are called angular corrections of the offset.
you will hear ships far away”. Hydro-acoustics is a section of The results of measuring the swinging and the course are
acoustics that studies the emission, reception and propagation entered for accurate results of a multi-beam echo sounder. It
of sound waves in the aquatic environment (in oceans, seas, is necessary to remember the angular offset corrections
lakes, etc.) for the purposes of the underwater location. The because to measure this exactly impossible.
main feature of underwater sounds is their low attenuation as In the calculations, the effect of inaccurate determination
a result of which sounds can propagate under water for much of the angular displacement of the sensors along the axis of
greater distances than in air. In addition to attenuation due to the side roll on the depth determination (with an error of 20)
the properties of the water itself, the distance of sound for different radiation angles of a multi-beam echo sounder.
propagation under water is influenced by the refraction of
sound, its dispersion and absorption by various The vessel with a multipath complex is equipped with a
inhomogeneities of the medium. significant number of sensors. Where some sensor performs
its task, it transfers it to a personal computer. A personal
computer stores data received from devices with time stamps
III. THE METHODOLOGY FOR PROCESSING RADAR SIGNALS indicating the instant of measurement of the environment
The application of the methodology for processing radar parameter. And time stamps serve as a link between data from
signals and the transfer of the principles of building systems different devices. To determine the location of a point with a
for processing them in the field of sonar systems leads to their depth at a certain point in time, it is necessary to know the
use to determine the coordinates of the underwater object, parameters of the swinging, the course and positioning at the
which is performed after summarizing the results of several time of receiving the depth from the echo sounder. These
measurements at different locations of the transmitting and measurements are not synchronized, so need perform
receiving devices. interpolation over time.
When using a multi-beam echo sounder, it is possible to
obtain a full coverage of the bottom with acoustic pulses in CONCLUSION
the direction across the vessel's motion, where there is a high The advantage of multipath echo sounders is the smaller
coating density along the tack, a low coating across. The angle of individual rays, it allows you to change the antenna
calculation of the depth in the contact spot of a multi-beam tilt and get a higher resolution to the individual rays. But it
echo sounder is complex; it can include hundreds of also leads to the need to take into account the same
iterations, providing for filigree detection of underwater parameters: onboard swinging and pitching, heading. There is
objects. The value of the results of the depths of the multi- also a critical parameter - the profile of the speed of sound
beam echo sounder is higher than the number of physical (accounting for refraction). This leads to the use of additional
rays, and makes it possible to obtain an n-number of results of sensors (motion sensor, sound velocity profile meter,
the depth values from one contact patch. gyrocompass) and to the more complex system calibration
procedure. Therefore, worldwide testing of synergistic
IV. PROCESSING OF POLYMER MATERIALS models of multi-beam surveys is offered.
For a multi-beam echo sounder using a satellite navigation
system, the materials are processed in the following order: ACKNOWLEDGMENT
after performing the survey work and recording materials on a We wish to thank V. Kychak, prof., I. Trotsyshyn, prof.,
magnetic carrier, it is necessary to process them with an O. Punchenko, prof. and G. Bortnyk, prof. for their insightful
appropriate program. Materials are transferred on magnetic comments on earlier drafts.
media from the computer of the measuring complex (a
workstation on a ship) to a post processing computer. We would also like to thank Vinnytsia National Technical
University for the application of theoretical and practical
During post-processing, the original data does not change, research in the R & D "Development of the theory and
but new ones are created taking into account the introduced
methodology of digital radio signal processing in real time" direction in the development of a high tech park // N. Punchenko,
(Ministry of Education and Science of Ukraine, Vinnitsa O.Tsyra, G. Kovalova and others// IEEE 5th International Conference
on Methods and Systems of Navigation and Motion Control (MSNMC):
National Technical University); October, 16-18, 2018 Kyiv, 2018. – P. 110 – 113.
R & D "Development of methods for designing a fiber- [2] Algorithms for processing hydroacoustic signals: monograph / I. V.
optic transmission system" (Ltd "Budivelnik-3", Vinnitsa Karabanov, A. S. Mironov. - Khabarovsk: Pacific Publishing House.
state, un-that, 2018. -140 with. 1SBN 978-5-7389-2363-0
National Technical University).
[3] N. Punchenko Information technologies: current state and prospects:
monograph / G.V. Aloshin, O.O. Besonov, N.O. Punchenko et al.,
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