Specialists from Sevastopol State University (Sevastopol State University) have developed devices that determine the location of objects underwater in autonomous mode with high accuracy. This was announced by Igor Shirokov, Professor of the Department of Electronic Engineering at Sevastopol State University.
The uniqueness of the new development lies in the fact that scientists have found a method for the simultaneous use of acoustic and electromagnetic wave processes. Without a connection, these processes do not make it possible to determine the location of an object underwater.
However, these two methods have different principles of wave propagation underwater, and by summing up their data, it is possible to solve this problem: using one method, we obtain in-phase oscillations, and the second is used to determine the range. As a result, all this makes it possible to create a phase radio engineering range measurement system that has the highest accuracy parameters - up to several millimeters, which is important, for example, for adjusting the mooring of autonomous devices.
He also emphasized that none of the previously used methods provided such accuracy.
Scientists from Sevastopol State University have already received a grant from the Russian Science Foundation to create a positioning system for autonomous underwater vehicles (AUVs). The allocated funds were used to create the Underwater Communication and Navigation Laboratory. Over the next two years, the authors of the project plan to show the result of their work.
Earlier www1.ru reported that NII MEI developed a navigation system using radio beacons.
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