Analysis of coaxial-fed electromagnetically coupled patch antenna using FDTD
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Bibliographic record
Abstract
Coaxial feed modeling has been a challenge in numerical simulation for a long time. Various modeling techniques, such as gap modeling, magnetic frill modeling and transmission line modeling have been applied successfully for specific applications. We challenge the same problem for an electromagnetically coupled patch antenna (EMCP). It has been shown that the mechanism of operation is the excitation of two modes which have almost the same resonance frequency (Zucher, J.-F., "Broadband Patch Antenna", Artech House, 1995; Hajiaboli, A. et al., ANTEM2004). Because of this complicated behavior, the general modeling may need modification or refinement. We present results of mesh refinement applied to our previous antenna model (Hajiaboli et al., 2004). Considering the increase in the simulation time, the changes obtained in the input impedance have been discussed.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it