Segmented Hemispherical DRA: New Geometry Characterized and Investigated in Multi-Element Composite Forms for Wideband Antenna Applications
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Bibliographic record
Abstract
Hemispherical dielectric resonator antenna (HDRA) is reinvestigated by splitting it into four uniform quarters, which indeed generates a new DRA shape, proposed to call as “quarter-Hemispherical DRA” (q-HDRA). An innovative idea, gathered by the authors through their previous investigations, has been employed to investigate four-element q-HDRA resonating with dominant and first higher modes over a large impedance bandwidth (S <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</sub> <; -10dB) and producing improved monopole-like radiation pattern. The improvement has been described in terms of uniformity and symmetry in the radiation patterns obtained consistently over the entire operating bandwidth. No degradation or compromise in impedance bandwidth is observed. For this purpose, the new DRA unit (q-HDRA) has been characterized using simulated and measured data. Prototypes of single and multi-element q-HDRA have been measured and compared with some earlier versions. Unlike earlier one, consistently symmetric monopole-like radiation from a four element q-HDRA has been demonstrated.
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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 | 0.000 |
| 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) | 0.000 | 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