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| Sパラメータ解析× | モーメント法× | |
|---|---|---|
| 分野 | 電気工学 | 電気工学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1965 | 1968 |
| 提唱者≠ | Kaneyuki Kurokawa | Roger F. Harrington |
| 種類≠ | Wave-based description of RF/microwave network behavior | Boundary integral equation method for solving Maxwell equations |
| 原典≠ | Kurokawa, K. (1965). Power waves and the scattering matrix. IEEE Transactions on Microwave Theory and Techniques, 13(3), 194-202. DOI ↗ | Harrington, R. F. (1968). Field Computation by Moment Methods. Macmillan. link ↗ |
| 別名≠ | S-parameter, Scattering parameters, Network parameters | MoM, Boundary element method (electromagnetics) |
| 関連 | 3 | 3 |
| 概要≠ | S-Parameters (Scattering Parameters) characterize RF and microwave networks by their transmission and reflection of voltage waves. Introduced by Kurokawa in 1965, S-parameters are ideal for high frequencies where wave effects dominate. Unlike impedance (Z), admittance (Y), or hybrid parameters, S-parameters are directly measurable with network analyzers, naturally account for characteristic impedance, and are intuitive for cascade analysis. S-parameters are the standard language of RF engineering. | The Method of Moments (MoM) is a powerful numerical technique for solving electromagnetic boundary integral equations derived from Maxwell equations. Pioneered by Roger Harrington in 1968, MoM discretizes only radiating surfaces and boundaries (antennas, conductors, dielectrics), not the surrounding space, making it efficient for radiation and scattering problems. MoM remains the standard tool for antenna design, electromagnetic compatibility analysis, and RF/microwave engineering. |
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