A Bionic Flapping Magnetic‐Dipole Resonator for ELF Cross‐Medium Communication
Abstract: Extremely low‐frequency (ELF) electromagnetic (EM) waves adeptly propagate in harsh cross‐medium environments, overcoming rapid decay that hinders high‐frequency counterparts. Traditional antennas, however, encounter challenges concerning size, efficiency, and power. Here, drawing inspiration from nature, we present a groundbreaking piezo‐actuated, bionic flapping‐wing magnetic‐dipole resonator (BFW‐MDR), operating in the electro‐mechano‐magnetic coupling mechanism, designed for efficient ELF EM wave transmission. The unique rigid‐flexible hybrid flapping‐wing structure magnifies rotation angles of anti‐phase magnetic dipoles by tenfold, leading to constructive superposition of emitted magnetic fields. Consequently, the BFW‐MDR exhibits a remarkable quality factor of 288 and an enhanced magnetic field emission of 514 fT at 100 meters with only 6.9 mW power consumption, surpassing traditional coil antennas by three orders of magnitude. The communication rate is doubled by the ASK+PSK modulation method. Its robust performance in cross‐medium communication, even amidst various interferences, underscores its potential as a highly efficient antenna for underwater and underground applications.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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A Bionic Flapping Magnetic‐Dipole Resonator for ELF Cross‐Medium Communication ; day:14 ; month:06 ; year:2024 ; extent:12
Advanced science ; (14.06.2024) (gesamt 12)
- Creator
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Cheng, Zhi
Zhou, Jing
Wang, Bin
Wu, Qiong
Ma, Liang
Qin, Zhi
Shen, Jie
Chen, Wen
Peng, Wei
Chang, Jianglei
Ci, Penghong
Dong, Shuxiang
- DOI
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10.1002/advs.202403746
- URN
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urn:nbn:de:101:1-2406151405311.130596457070
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 11:02 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Cheng, Zhi
- Zhou, Jing
- Wang, Bin
- Wu, Qiong
- Ma, Liang
- Qin, Zhi
- Shen, Jie
- Chen, Wen
- Peng, Wei
- Chang, Jianglei
- Ci, Penghong
- Dong, Shuxiang
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