Pulsed Electromagnetic Field Interaction With a Transmission Line: An Analytical Traveling-Wave Approach Based on Reciprocity

Martin Stumpf; Giulio Antonini; Ioan E. Lager; Jonas Ekman

doi:10.1109/TAP.2025.3546055

Pulsed Electromagnetic Field Interaction With a Transmission Line: An Analytical Traveling-Wave Approach Based on Reciprocity

Martin Stumpf^*, Giulio Antonini, Ioan E. Lager, Jonas Ekman

^*Corresponding author for this work

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Abstract

Pulsed electromagnetic (EM) field signal transfer from a general EM source distribution to a transmission line (TL) is analyzed with the aid of Lorentz's reciprocity theorem. In this fashion, the transient voltage induced by the impulsive EM source is expressed through the EM fields as radiated by the TL. These transmitted EM fields are expressed in closed form using an analytical procedure that resembles the Cagniard-DeHoop (CdH) technique. The validity of the proposed reciprocity-based methodology is verified with the aid of an alternative analytical solution describing the EM field signal transfer excited by an impulsive vertical electric dipole (VED). Illustrative numerical examples are presented.

Original language	English
Pages (from-to)	3783-3791
Number of pages	9
Journal	IEEE Transactions on Antennas and Propagation
Volume	73
Issue number	6
DOIs	https://doi.org/10.1109/TAP.2025.3546055
Publication status	Published - 2025

Keywords

Cagniard-DeHoop (CdH) technique
electromagnetic (EM) field transfer
electromagnetic reciprocity
reciprocity theorem
time-domain (TD) analysis
transmission line (TL)
traveling-wave antenna

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title = "Pulsed Electromagnetic Field Interaction With a Transmission Line: An Analytical Traveling-Wave Approach Based on Reciprocity",

abstract = "Pulsed electromagnetic (EM) field signal transfer from a general EM source distribution to a transmission line (TL) is analyzed with the aid of Lorentz's reciprocity theorem. In this fashion, the transient voltage induced by the impulsive EM source is expressed through the EM fields as radiated by the TL. These transmitted EM fields are expressed in closed form using an analytical procedure that resembles the Cagniard-DeHoop (CdH) technique. The validity of the proposed reciprocity-based methodology is verified with the aid of an alternative analytical solution describing the EM field signal transfer excited by an impulsive vertical electric dipole (VED). Illustrative numerical examples are presented.",

keywords = "Cagniard-DeHoop (CdH) technique, electromagnetic (EM) field transfer, electromagnetic reciprocity, reciprocity theorem, time-domain (TD) analysis, transmission line (TL), traveling-wave antenna",

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year = "2025",

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AU - Ekman, Jonas

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AB - Pulsed electromagnetic (EM) field signal transfer from a general EM source distribution to a transmission line (TL) is analyzed with the aid of Lorentz's reciprocity theorem. In this fashion, the transient voltage induced by the impulsive EM source is expressed through the EM fields as radiated by the TL. These transmitted EM fields are expressed in closed form using an analytical procedure that resembles the Cagniard-DeHoop (CdH) technique. The validity of the proposed reciprocity-based methodology is verified with the aid of an alternative analytical solution describing the EM field signal transfer excited by an impulsive vertical electric dipole (VED). Illustrative numerical examples are presented.

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Pulsed Electromagnetic Field Interaction With a Transmission Line: An Analytical Traveling-Wave Approach Based on Reciprocity

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