Characterization of objects by electrosensing fish based on the first order polarization tensor
Characterization of objects by electrosensing fish based on the first order polarization tensor
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DOI：
10.1088/1748-3190/11/5/055004
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发表时间：
2016-10-01
影响因子：
3.4
通讯作者：
Lionheart, William R. B.
中科院分区：
文献类型：
--
作者：
Khairuddin, Taufiq K. Ahmad;Lionheart, William R. B.
弱电流鱼产生电流，并使用身体表面的数百个电压传感器来导航和定位食物。实验（von der Emde和Fetz 2007 J. Exp. Biol. 210 3082-95）表明，它们可以通过使用电感测来区分不同形状的导电或绝缘物体。一种以较低的计算成本而不是全形状重建来电识别和表征对象的方法是使用对象的一阶偏振张量（PT）。在本文中，考虑实验工作的Peters的象鼻鱼Gnathonemus petersii，我们调查的能力，区分不同形状的物体之间的第一阶PT的可能作用。我们还建议一些实验，可能会进行进一步调查的作用，一阶PT在电感应鱼。最后，我们推测了电感应鱼在猎物中的电隐身或伪装的可能性，以及人类在遥感中可能从鱼身上学到什么。
Weakly electric fish generate electric current and use hundreds of voltage sensors on the surface of their body to navigate and locate food. Experiments (von der Emde and Fetz 2007 J. Exp. Biol. 210 3082-95) show that they can discriminate between differently shaped conducting or insulating objects by using electrosensing. One approach to electrically identify and characterize the object with a lower computational cost rather than full shape reconstruction is to use the first order polarization tensor (PT) of the object. In this paper, by considering experimental work on Peters' elephantnose fish Gnathonemus petersii, we investigate the possible role of the first order PT in the ability of the fish to discriminate between objects of different shapes. We also suggest some experiments that might be performed to further investigate the role of the first order PT in electrosensing fish. Finally, we speculate on the possibility of electrical cloaking or camouflage in prey of electrosensing fish and what might be learnt from the fish in human remote sensing.