A system and method for playback and analysis of sonar sea test data

Abstract

The invention discloses a sonar sea test data playback analysis system and method. It includes a data push control module, which is used to provide a human-computer interaction interface, complete the playback initial parameter configuration, and send instructions to the sonar database to control the progress of playback analysis; the sonar database is used to store the original sonar data of the field test / training, receive data push control According to the instructions of the module, read the selected data according to the instructions and push them to the sonar data processing module; the sonar data processing module is used to receive the data pushed by the sonar database and complete the sonar signal processing, and send the processing results to the sonar display and control terminal for display; according to The command of the sonar display and control terminal modifies the parameters of sonar signal processing; the sonar display and control terminal is used to display the processing results. The invention can satisfy multi-source large-capacity unstructured data storage, playback analysis, and realize flexible selection of playback data period and strong real-time tempo control.

Description

technical field [0001] The invention belongs to the technical field of underwater acoustic engineering, and in particular relates to a sonar sea test data playback analysis system and method. Background technique [0002] Sonar using large-aperture sonar arrays is an important trend and direction in the field of underwater acoustic engineering, and is often used in important aspects such as underwater target detection, positioning, and tracking. It involves the comprehensive application of underwater acoustic physics, underwater acoustic sensor array technology, underwater acoustic signal processing technology, real-time parallel computing technology, etc. In view of the complex underwater acoustic environment faced by sonar, in the development process of the sonar system, in order to achieve the best processing effect, it is often necessary to repeatedly test the performance of the signal processing algorithm and the sonar system with data. After sonar is put into use, it ...

AI Technical Summary

Problems solved by technology

For sonar signal simulation, generally only the data received by the array element is simulated, but it is difficult to accurately simulate the array attitude data and multi-target data at sea

Limited by the complexity of the ocean's underwater acoustic environment and targets, the simulation data is always difficult to fully simulate the real test or training data, and can only verify the correctness of the algorithm to a certain extent. The final test of sonar performance must be carried out through sea data

Due to the rare opportunities for sea trials or training, the original data is always recorded as full-time as possible during trials or training, although these data may not be all effective when verifying a certain algorithm, and even some periods of poor data quality (such as platform turning etc.) are also recorded together, which is not conducive to later data analysis

A large amount of valuable recorded data cannot be stored in the computer of every algorithm researcher, and needs to be stored and managed centrally. Every time the data is used, it is necessary to search for the data of the corresponding time period from the database, which takes a long time and the test efficiency is low.

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