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本文介绍α-β滤波器和多径跟踪技术的基本原理,在超短基线水声跟踪定位系统中,用于对水下机动目标的航行轨迹进行实时滤波和跟踪.经湖上试验验证,该技术可明显改善定位精度,并具有良好的实时跟踪能力.
This paper introduces the basic principle of α-β filter and multipath tracking technology, which is used to filter and track the navigation trajectory of underwater maneuvering target in ultra-short baseline acoustic tracking system. Can significantly improve the positioning accuracy, and has good real-time tracking capabilities.