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| Transmissionsledningsmatris-metoden× | Momentmetoden× | |
|---|---|---|
| Ämnesområde | Elektroteknik | Elektroteknik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1971 | 1968 |
| Upphovsperson≠ | Peter Johns | Roger F. Harrington |
| Typ≠ | Transmission line network analogous to electromagnetic fields | Boundary integral equation method for solving Maxwell equations |
| Ursprungskälla≠ | Johns, P. B., & Beurle, R. L. (1971). Numerical solution of 2-D scattering problems using a transmission-line calculator. Proceedings of the IEE, 118(9), 1203-1208. link ↗ | Harrington, R. F. (1968). Field Computation by Moment Methods. Macmillan. link ↗ |
| Alias | TLM, Transmission line matrix | MoM, Boundary element method (electromagnetics) |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | The Transmission-Line Matrix (TLM) method is a direct discretization of Maxwell equations using an equivalent transmission line network. Introduced by Johns and Beurle in 1971, TLM models electromagnetic fields as voltage and current waves propagating on coupled transmission lines. The method is intuitive, numerically stable, and efficient for both transient and frequency-domain electromagnetic problems. TLM remains competitive with FDTD and FIT for many RF and microwave applications. | 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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