商业雷达跟踪的估计速度错误,以告知鱼船打击缓解努力
Samantha Cope King1, Brendan Tougher1, Virgil Zetterlind1
1ProtectedSeas, Anthropocene Institute, 2475 Hanover St. Ste 100, Palo Alto, CA 94304, USA.
Sensors (Basel, Switzerland)
|April 28, 2025
概括
海上雷达准确地跟踪船舶的速度,显示与自动识别系统 (AIS) 数据的差异不到1.8节95%的时间. 这项技术有效监测所有船只大小,帮助防止捕船撞击.
科学领域:
- 海洋生物学 海洋生物学
- 海洋学 海洋学 海洋学
- 海上安全的航行.
背景情况:
- 降低船舶速度对于减轻捕船袭击至关重要.
- 自动识别系统 (AIS) 是监控大型船只的标准,但不是小型船只的标准.
- 海上雷达为跟踪较小船只提供了一个潜在的解决方案.
研究的目的:
- 评估商业海上雷达在报告船舶速度方面的准确性.
- 为了确定雷达追踪船舶的速度误差界限.
- 在不同尺寸的船舶中评估雷达速度的准确性.
主要方法:
- 进行了一次大规模的测量活动.
- 在10个地点收集了3097条船只轨迹的同时雷达和AIS数据.
- 雷达报告的速度与AIS报告的速度进行了比较,以计算错误.
主要成果:
- 在雷达和AIS船只速度之间发现了强烈的相关性.
- 雷达速度值在95%的时间内都在AIS值的1.8节以内.
- 在较小和较大的船只之间没有观察到速度误差的显著差异.
结论:
- 商用海上雷达为船只提供可靠的速度估计.
- 对于雷达报告速度的确定的误差界限可以应用于所有尺寸的船只.
- 雷达监测可以加强为保护鱼而执行船舶速度法规的努力.
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