Article

Article title PECULIARITIES OF APPLICATION OF BROADBAND SONAR SYSTEMS FOR MONITORING SHALLOW AREAS
Authors P. P. Pivnev
Section SECTION I. METHODS AND MEANS OF ACOUSTIC MONITORING
Month, Year 06, 2018 @en
Index UDC 534.222.2
DOI
Abstract One of the fields in ocean research is dedicated to improving the efficiency of ocean resources. Modern methods of hydro acoustics can be more effective in the construction of equipment on the principles of the use of complex broadband signals. The article presents an analysis of the principles of construction of broadband hydro acoustic systems for monitoring and search of objects in the water column and the bottom. The main types of broadband signals are listed. Attention is focused on the emitting broadband antennas. The work focuses on two major groups of sonar locators: broadband parametric sonar broadband sonar and side-view (SHP LPG). The benefits of broadband parametric sonar and lists the most promising broadband parametric systems such as: compact parametric profiling, parametric seismoprofilograf, parametric sonars side-scan (multi-beam parametric profiling), parametric sonars traversing review. Some basic energy characteristics of parametric antennas are given. One of the ways to increase the speed of space review is presented-the method of medium frequency coloring. Features of monitoring of shallow water areas taking into account dispersion of broadband signals are presented. The case of the construction of broadband hydro acoustic antennas, sonar equipment side-scan consisting of different frequency transducers, mechanical related field. Given the directivity of the antenna layout on the broadband side-scan sonar at frequencies of 77; 100; 127 and 155 kHz. Features of construction of maps of depths with use of interferometric sonar of the lateral review are presented. Prospects of creation of the uniform system (database) of ecological supervision in which data from broadband survey and search systems for further processing and the analysis will be brought are resulted.

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Keywords Broadband hydro acoustic system parametric side-scan sonar; broadband sonar of the lateral review; traverse review.
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