Shi-Yu Wang, Gao-Qi Dou, Da Yi, Shi-Min Feng, Ming-Chun Tang
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Reconfigurable super-low-frequency magnetoelectric antenna for underwater frequency-hopping communication
Based on the mechanical regulation mechanism, a super-low-frequency (SLF) reconfigurable magnetoelectric (ME) antenna is proposed for underwater frequency-hopping communication. By constructing the mechanical model of the ME antenna loaded with an adjustable spring, the antenna's working frequency is predicted to be tuned in an extensive dynamic range from 148 to 331 Hz by changing the states of a loaded spring. The experiment is implemented in the frequency-response test platform and the practical communication system using the minimum shift keying modulation. The former experiment well validates the tunable frequency response of the reconfigurable ME antenna, while the latter successfully achieves the information transmission at different working frequencies. The proposed SLF reconfigurable ME antenna serves as a potential candidate for under-water frequency-hopping communication.
期刊介绍：
Topics include, but are not limited to:
Microwave circuits including RF, microwave and millimetre-wave amplifiers, oscillators, switches, mixers and other components implemented in monolithic, hybrid, multi-chip module and other technologies. Papers on passive components may describe transmission-line and waveguide components, including filters, multiplexers, resonators, ferrite and garnet devices. For applications, papers can describe microwave sub-systems for use in communications, radar, aerospace, instrumentation, industrial and medical applications. Microwave linear and non-linear measurement techniques.
Antenna topics including designed and prototyped antennas for operation at all frequencies; multiband antennas, antenna measurement techniques and systems, antenna analysis and design, aperture antenna arrays, adaptive antennas, printed and wire antennas, microstrip, reconfigurable, conformal and integrated antennas.
Computational electromagnetics and synthesis of antenna structures including phased arrays and antenna design algorithms.
Radiowave propagation at all frequencies and environments.
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