机载微带天线高功率微波耦合效应研究

doi:10.12305/j.issn.1001-506X.2026.04.03

Abstract

Abstract:

In response to the issue of airborne electronic equipment being susceptible to high-power microwave electromagnetic interference in complex battlefield environments, research is conducted on the coupling effect of airborne microstrip antennas. A modeling approach for antenna coupling under narrowband and ultra wide band high-power microwave irradiation is proposed. An irradiation model incorporating the microstrip antenna and its mounting platform is established to simulate the effects of pulse parameters, platform presence, polarization mode, and incident angle on the coupling voltage at the antenna port. The simulation results indicate that the peak coupling voltage is linearly proportional to the incident electric field amplitude. Under narrowband irradiation, the coupling effect intensifies as the carrier frequency approaches the antenna’s operating frequency. Under ultra wide band irradiation, a narrower pulse width results in a higher peak coupling voltage. The mounting platform enhances the peak coupling voltage, with maximum increases of 11.65% and 9.39% under narrowband and ultra wide band irradiation, respectively. The coupling voltage increases with a larger component of the incident electric field aligned with the antenna’s polarization direction. These findings provide theoretical support and a reference for the antenna coupling analysis and protective design of airborne electronic equipment under intense electromagnetic pulse irradiation.

Key words: electromagnetic pulse, high power microwave, microstrip antenna, antenna coupling

CLC Number:

TN 97

Aiguo GAO, Dazhao YU, Hexiang HUANG. Research on high power microwave coupling effects of airborne microstrip antennas[J]. Systems Engineering and Electronics, 2026, 48(4): 1125-1136.

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天线上装平台前后	辐照脉冲类型	θ，φ，ψ/（°）	耦合电压峰值/V
单天线	HPM	0，0，90	1 234.10
单天线	HPM	0，0，0	572.10
天线上装平台后	HPM	0，0，90	1 377.93
天线上装平台后	HPM	0，0，0	626.01
单天线	UWB	0，0，90	43.65
单天线	UWB	90，0，0	32.97
天线上装平台后	UWB	0，0，90	38.84
天线上装平台后	UWB	110，0，0	47.75

天线上装平台前后	辐照脉冲类型	θ，φ，ψ/（°）	耦合电压峰值/V
单天线	HPM	45，30，90	949.68
	HPM	45，210，90	946.43
	HPM	45，110，0	860.19
	HPM	45，290，0	896.53
天线上装平台后	HPM	45，20，90	898.65
	HPM	45，210，90	927.98
	HPM	45，120，0	936.11
	HPM	45，290，0	949.82
单天线	UWB	45，0，90	32.36
	UWB	45，180，90	27.05
	UWB	45，90，0	28.33
	UWB	45，270，0	30.43
天线上装平台后	UWB	45，0，90	26.31
	UWB	45，180，90	29.79
	UWB	45，90，0	33.65
	UWB	45，270，0	37.90

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Research on high power microwave coupling effects of airborne microstrip antennas

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