Waveguide modal analysis of single and stacked probe-fed microstrip antennas with circular geometries
Bibliographic record
Abstract
This paper presents a waveguide modal analysis of single and stacked microstrip antennas with circular geometries. Single and stacked circular, annular-ring, and annular-ring-loaded circular microstrip antennas fed by an off-centered coaxial line are considered. Both the substrate and superstrate are assumed to be uniaxially anisotropic. The waveguide modal analysis is realised by introducing a large cylindrical wall to enclose the patch antenna. The effects of the feeding probe and the finite thickness of patches are rigorously taken into account in the analysis. Moreover, it is also an efficient technique since the complicated multilayered microstrip antenna problem is simply treated as a waveguide junction cascading problem, which can be efficiently solved by the modal expansion method. Numerical results for the input impedance of single and stacked circular and annular-ring-loaded circular microstrip antennas are compared with experimental data measured by others. Good agreement is achieved.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.000 |
| 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) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".