Alexandr V. Burenin

• PhD
• Researcher at V.I. Il'ichev Pacific Oceanological Institute

This paper presents a technique for estimating the Doppler frequency shift of the probing signal. The technique is based on the use of a signal packet consisting of at least two identical complex signals with “good” autocorrelation properties, and the operation of autocorrelation (“convolution” of the received signal with itself) at the receiver. T...

An Erratum to this paper has been published: https://doi.org/10.1134/S1028334X23050033

We study physical mechanisms of the Tumen River water transport in the area of the Posyet Bay (Peter the Great Bay, Sea of Japan). This study is based on the satellite and in situ measurements, and numerical simulation of advection of river water by the current velocity simulated by Regional Ocean Model System (ROMS). The importance of this study i...

The results of studies of the features of the formation of pulse characteristics on the axis of an underwater sound channel in waveguides with different hydrological and bathymetric conditions of the Sea of Japan and the Sea of Okhotsk are discussed. The results of model calculations and experiments characterizing the regularities of propagation of...

The results of studies of the features of the formation of pulse characteristics on the axis of an underwater sound channel in waveguides with different hydrological and bathymetric conditions of the Sea of Japan and the Sea of Okhotsk are discussed. The results of model calculations and experiments characterizing the regularities of propagation of...

Methodological and technical possibilities of monitoring temperature fields along a 1000-km track in the Sea of Japan using acoustic thermometry are presented. The proposed tomographic method for monitoring the dynamics and structure of waters is based on emission and reception of complex phase-shift keyed signals on a diagnosed path with determina...

The methodological and technical possibilities of monitoring temperature fields on a thousand-kilometer track in the Sea of Japan using acoustic thermometry methods are presented. The proposed tomographic method for monitoring the dynamics and structure of water is based on the emission and reception of complex phase-shift keyed signals on a diagno...

The methodological and technical possibilities of monitoring temperature fields in the Sea of Japan by acoustic thermometry methods are presented. The proposed tomographic method for monitoring the dynamics and structure of water is based on the transmission and reception of complex phase-shift keyed acoustic signals on a diagnosed track with the d...

The results of experimental and theoretical studies on the propagation and reception of broadband pulsed signals based on pseudorandom sequences are discussed. The features of impulse response functions for reception of signals with different frequency bands and durations of symbols are investigated. Separation of acoustic energy arrivals in the cr...

The article discusses the results of experiments conducted in September 2017 to prove the applicability of positioning underwater objects during their operation at depths substantially exceeding the depth of the underwater sound channel axis. The authors present results of experimental studies and numerical analysis of the effect of focusing of the...

The results of experimental study of the spatial structure of the scalar-vector acoustic field formed during towing of a tone low-frequency emitter over the shelf of the Sea of Japan are discussed. The experiment was accomplished by towing the source of a tone signal with a frequency of 134 Hz at a depth of 20 m over various acoustic tracks at dist...

The aim of the study whose results are discussed in this paper was to conduct experimental and numerical research on improving a high-accuracy method, developed by the authors, of positioning underwater objects. For this, experimental testing of an improved range-finding technology was carried out, based on the inclusion into the measuring scheme o...

This paper discusses the results of an experimental study of the spatial structure of a scalar-vector sound field formed during towing of a low-frequency acoustic source on the continental shelf of the Sea of Japan. Methodologically, the experiment was carried out by towing the acoustic source emitting a 134 Hz tone signal at a depth of 20 m on var...

A promising direction in developing methods and instruments for acoustic range finding and navigation with a large radius of action is to use the features of propagation of low-frequency pseudorandom pulse signals from a shelf to deep water. This is related to possible application of the acoustic “landslide” effect, the focusing of acoustic energy...

The paper discusses the results of an experiment conducted in the Sea of Japan in March 2016 on an acoustic track 194 km long under winter hydrological conditions. We have studied the most complex case of propagation of pulse pseudorandom signals from the shelf into shallow water during vortex generation on the acoustic track. Analysis of the exper...

The paper examines how hydrological conditions affect manifestation of the acoustic “landslide” effect, which consists in focusing of acoustic energy in the near_bottom layer on the shelf and its transition to the axis of an underwater sound channel in deep water. We compare the results of experiments performed in the Sea of Japan in April 2014 and...

The report presents the results of experimental works to study the influence of hydrological conditions on the acoustic "mudslide" effect. The results of an experiment conducted in the Sea of Japan in April 2014 are discussed, in comparison with the results obtained in August 2006 on the same acoustic track up to distances of over 100 km. In April...

The report presents the results of experimental works to study the influence of hydrological conditions on the acoustic "mudslide" effect, which focuses acoustic energy in the bottom layer on the shelf and moves it on the axis of the underwater sound channel (USC) in the deep sea. The results of an experiment conducted in the Sea of Japan in April...

The report presents the results of experimental works to study the influence of hydrological conditions on the acoustic "mudslide" effect, which focuses acoustic energy in the bottom layer on the shelf and moves it on the axis of the underwater sound channel (USC) in the deep sea. The results of an experiment conducted in the Sea of Japan in April...

An experiment was conducted to study acoustic monitoring of currents by the reciprocal sounding method in very shallow water conditions (East/Japan Sea, Vityaz' Bay). Results of the experimental study showed quite good agreement between independent methods for measuring flow speed accounting for small depths, presence of coastline, wind, tide and c...

GPS и аналогичными гидроакустическими методиками оценки доплеровского смещения. Неотъемлемой частью исследований морских акваторий стало применение разнообразных автономных необитаемых подводных аппаратов (АНПА), перемещающихся в исследуемой акватории. Сильное затухание электромагнитных волн в морской среде препятствует использованию радиосвязи для...

A Doppler estimation technique is presented. The technique is based on the application of the composite signal packet. Signal packet consists of signals with good correlation properties (e.g. Barker codes, M-sequence). The proposed approach provides a reducing in computational load and hardware cost in comparison with the method of ambiguity functi...

Operative and reliable information transfer to underwater conditions control stations, underwater observatories and to unmanned autonomous underwater vehicles is the important element of upgrading of functioning efficiency for the hydroacoustic means locat ed on sea ranges. Development of underwater sound communication systems for transfer of cont...

Solving the problems of underwater acoustic communication and navigation for controlling underwater objects greatly depends on a correct estimation of the hydrological and acoustical environment in the region. Analysis of the domestic and foreign experience in the field of navigational support of self-contained underwater devises shows that, to sol...

A measuring complex has been designed for experimental investigations of the effects that hydrophysical processes in a marine environment have on the quality of navigation using on-board equipment of submersibles in the process of signal reception from hydroacoustic beacons installed near the shoreline. The main systems and characteristics of the m...

This paper describes the main systems and results of testing a mobile instrumental programming complex developed for experiments on investigation of the influence of hydrophysical processes in the marine environment on the quality of solving the navigation problems using stationary acoustic beacons.

A study was conducted to investigate the Influence of the vertical sound velocity profile at the source site in shallow water on the formation of the pulse response characteristics in the deep sea. The pulse response was measured on the propagation path at the points lying at distances of 70.129 and 107.94 km from the source. Comparative data chara...

Results of an experimental study of low-frequency broadband pulsed signal propagation in a waveguide that includes the shelf zone, the continental slope, and the deep sea region are presented. Using phase-manipulated signals with central frequencies of 366 and 600 Hz, pulsed characteristics are measured at six points along the propagation track, th...

A hardware and software system for measuring the angular structure of acoustic fields using the vector-phase methods for processing the complex M-sequence probing signals is described. The results of testing the system are given. A unique relationship between the change in the temperature condition on the stationary acoustic route and the times and...

Experimental data on the angular structure of the sound field on the shelf of the Sea of Japan are discussed. The data are obtained by using the vector-phase processing of complex signals in the form of M-sequences with a central frequency of 2500 Hz. With the parameters of the water bulk being monitored, an unambiguous relation is established betw...

In this paper, the lines of investigation on a problem of the development of remote acoustic sensing methods in oceanology are formulated. This paper summarizes the results of investigations into the possibilities for monitoring temperature and flow fields in shallow seas. In the discussed experiments, the instrumentation being constituents of the...