A Target Location Method Based on Streamer Shape Equation Analysis
A target positioning and shape technology, applied in the direction of sound wave re-radiation, instruments, measuring devices, etc., can solve the problems of high hardware cost and limited promotion, and achieve the effect of small calculation amount, good algorithm tolerance, and small numerical operation error
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[0019] The present invention will be described in detail below in conjunction with accompanying drawing:
[0020] In order to meet the high-precision positioning and engineering adaptability requirements of the towed image sonar target in the shallow sea environment, the present invention proposes a target positioning method based on streamer shape equation analysis. This method establishes a typical steady-state towing model of the soft tow cable in shallow sea environment, and obtains the relationship between the oblique distance value of the tow cable and the length of the tow cable, the depth of the tow body, and the longitudinal angle by solving the shape equations of the tow cable for the first time. To determine the analytical range of the towline deformation constraint, obtain the oblique distance value of the towline under different towline deformation conditions, combine the real-time position information of the hull, heading angle, and pitch and roll attitude compens...
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Abstract
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