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Analysis of Intentional Electromagnetic Interference on GENEC Model Using Cylindrical Mode Matching
Wonjune Kang1, No-Weon Kang2, Woosang Lee3
1Department of Electronics Convergence Engineering, Kwangwoon University, Seoul 01897, Republic of Korea.
Sensors (Basel, Switzerland)
|March 30, 2023
Summary
A new cylindrical mode matching technique quickly analyzes intended electromagnetic interference (IEMI) effects on missile systems. This method accurately predicts high-power microwave impacts on critical electronics, validated by measurements.
Area of Science:
- Electromagnetic compatibility and interference analysis.
- Numerical modeling of electromagnetic phenomena.
- Microwave engineering and applications.
Background:
- Modern electronics face increasing damage from intended electromagnetic interference (IEMI) due to high operating frequencies and low voltages.
- High-power microwaves (HPM) can disrupt or destroy precision electronics in targets like aircraft and missiles, affecting GPS and avionic systems.
- Conventional numerical methods struggle with the complexity and electrical size of real-world target systems for IEMI analysis.
Purpose of the Study:
- To introduce a novel cylindrical mode matching (CMM) technique for analyzing IEMI.
- To assess the IEMI effects within a generic missile (GENEC) model, a hollow metal cylinder with apertures.
- To provide a rapid and accurate method for evaluating electromagnetic interference in complex targets.
Main Methods:
- Development and application of the cylindrical mode matching (CMM) technique.
- Modeling a generic missile (GENEC) target with multiple apertures.
- Utilizing an electro-optic (EO) probe for internal electric field measurements.
- Comparison of CMM results with experimental measurements and FEKO simulations.
Main Results:
- The CMM technique enabled rapid analysis of IEMI effects within the GENEC model from 1.7 to 2.5 GHz.
- Results obtained using the CMM showed good agreement with experimental measurements.
- Validation against the commercial software FEKO confirmed the accuracy of the proposed CMM method.
Conclusions:
- The proposed CMM technique is an effective and efficient tool for analyzing IEMI in complex structures like missile systems.
- The study validates the CMM technique's accuracy through comparison with measurements and commercial software.
- This method facilitates the assessment of HPM effects on critical electronic systems, enhancing electromagnetic compatibility.
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