Diverse taxa use Earth's magnetic field in conjunction with other sensory modalities to accomplish navigation tasks ranging from local homing to long-distance migration across continents and ocean basins. However, despite extensive research, the mechanisms that underlie animal magnetoreception are not clearly understood, and how animals use Earth's magnetic field to navigate is an active area of investigation. Concurrently, Earth's magnetic field offers a signal that engineered systems can leverage for navigation in environments where man-made systems such as GPS are unavailable or unreliable. Using a proxy for Earth's magnetic field, and inspired by migratory animal behavior, this work implements a behavioral strategy that uses combinations of magnetic field inclination and intensity as rare or unique signatures that mark specific locations. Specifically, to increase the realism of previous work, in this study, a simulated agent uses a magnetic signatures based strategy to migrate in magnetic environments where lines of constant inclination and intensity are not necessarily orthogonal. The results further support existing notions that some animals may use combinations of magnetic properties as navigational markers, and provide insights into features and constraints that could enable navigational success or failure in either a biological or engineered system.

中文翻译：

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在非正交环境中使用磁签名进行生物启发的磁接收和导航。

多样的类群利用地球的磁场和其他感觉方式来完成导航任务，从本地归巢到跨大陆和海盆的长距离迁移。但是，尽管进行了广泛的研究，但仍不清楚动物磁感受的基础机制，并且动物如何利用地球的磁场进行导航是研究的活跃领域。同时，地球磁场提供了一个信号，工程系统可以利用该信号在人造系统（例如GPS）不可用或不可靠的环境中进行导航。借助迁徙动物行为的启发，使用地球磁场的代理，这项工作实施了一种行为策略，该策略使用磁场倾斜度和强度的组合作为标记特定位置的稀有或独特特征。具体来说，为了提高先前工作的真实性，在本研究中，模拟代理使用基于磁签名的策略在恒定倾斜度和强度线不一定正交的磁性环境中迁移。结果进一步支持了现有的观念，即某些动物可能将磁特性的组合用作导航标记，并深入了解可以在生物或工程系统中实现导航成功或失败的特征和约束。模拟代理使用基于磁签名的策略在恒定倾斜度和强度线不一定正交的磁性环境中迁移。结果进一步支持了现有的观念，即某些动物可能将磁特性的组合用作导航标记，并深入了解可以在生物或工程系统中实现导航成功或失败的特征和约束。模拟代理使用基于磁签名的策略在恒定倾斜度和强度线不一定正交的磁性环境中迁移。结果进一步支持了现有的观念，即某些动物可能将磁特性的组合用作导航标记，并深入了解可以在生物或工程系统中实现导航成功或失败的特征和约束。