铁氧体磁导率色散对超宽带脉冲接收天线特性的影响

2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO) Pub Date : 2022-10-10 DOI:10.1109/ELNANO54667.2022.9927024

T. Ogurtsova, N. Blinova, G. Pochanin, Mykhail Nesterenko, Vadym Korzh, I. Pochanina

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引用次数: 1

摘要

研究了作为无线电系统中接收纳秒级超宽带电磁脉冲元件的铁氧体天线的性能。研究了铁氧体磁畴磁矩弛豫时间和负载电阻对天线接收信号脉冲后振荡的影响。结果表明，通过增加磁畴磁矩弛豫时间和减小负载电阻，可以防止接收信号的脉冲后振荡。采用时域有限差分法。用一级德拜条件描述了铁氧体的色散特性。

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Influence of Dispersion of Magnetic Permeability of Ferrite on Characteristics of UWB Pulse Receiving Antenna

The properties of a ferrite antenna as an element of a radio system for receiving UWB (ultra-wide-band) electromagnetic pulses of the nanosecond duration range have been considered. The influence of the relaxation time of magnetic moments of the ferrite domains and the load resistance on the after-pulse oscillations of the signals received by the antenna has been studied. It is shown that the use of ferrite with an increased relaxation time of magnetic moments of domains as well as reducing the load resistance can prevent after-pulse oscillations in the received signal. The method of finite differences in the time domain was used. The dispersion properties of ferrite are described by the Debye condition of the 1st order.

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2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO)

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