Simulations to True Animals’ Long-Distance Geomagnetic Navigation

Simulations to True Animals’ Long-Distance Geomagnetic Navigation
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模拟真实动物 – 长距离地磁导航

DOI:
10.1109/tmag.2016.2600540
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发表时间:
2017
影响因子:
2.1
通讯作者:
Lixin Ran
Lixin Ran
中科院分区:
工程技术4区
文献类型:
--
作者:
Dexin Ye;Yongzhi Sun;Changzhi Li;Lixin Ran

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几个世纪以来,动物如何在跨洲迁徙中导航一直是科学家们困惑的问题。到目前为止,这种神秘导航背后的机制尚不清楚。本文提出了一个假设,并对远距离动物导航进行了计算机模拟。模拟结果表明,动物可以通过观察地磁线所包含的空间角度和地理方向来完成远距离导航,而不需要知道任何先前的地标信息。我们的结果不仅与现有关于动物远距离迁徙路线的观测报告相吻合,而且能够解释关于地磁场在动物导航中作用的相互矛盾的证据。我们认为我们的结果可能有助于揭示动物导航的实际机制。为人工传感器辅助的人类和机器的全局和局部导航提供了一种潜在的解决方案。
How animals navigate in their cross-continental migration has puzzled scientists for centuries. To date, the mechanism behind this mysterious navigation remains unclear. In this paper, a hypothesis is developed and computer simulations have been performed to investigate long-distance animal navigation. Simulation results show that animals may be able to complete their long-distance navigation by observing a spatial angle included by the geomagnetic field line and a geographic direction, without necessarily knowing any prior landmark information. Our results not only match existing observation reports in detail on the long-distance migration routes of animals, but also are able to explain the conflicting evidence on the role of geomagnetic field in animal navigation. We think our results could help reveal the actual mechanism of animal navigation. This paper also provides a potential solution for global and local area navigation of mankind and machines assisted by artificial sensors.
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