Miniaturized Reconfigurable Dual-Band Bandstop Filter with Independent Stopband Control using Folded Ridged Quarter-Mode Substrate Integrated Waveguide
Bibliographic record
Abstract
This paper presents a reconfigurable dual-band bandstop filter utilizing miniaturized folded ridged quarter-mode substrate integrated cavity. By loading a quarter-mode substrate integrated cavity with a capacitive ridge structure and folding the dominant field around said structure, significant miniaturization is achieved. Folded ridged quarter-mode substrate integrated cavity is shown to reduce the area of standard quarter-mode substrate integrated cavity by 92%, while also increasing the spurious-free region above the fundamental mode. A reconfigurable dual-band bandstop filter using miniaturized folded ridged quarter-mode technology is designed, fabricated, and measured. In order to generate independent tuning of each stopband, two resonators are each loaded with a tunable capacitance, and then individually coupled to the same nonresonating node, producing a frequency agile filtering section. Two filtering sections are then coupled together through an impedance inverter to produce a dual-band, two-pole bandstop filter. To the best of the authors' knowledge, this paper presents the first dual-band bandstop filter using quarter-mode substrate integrated cavity technology in the present literature.
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How this classification was reachedexpand
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) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 teacher head, 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".