Substrate Integrated Waveguide Power handling Capability at Millimeter Wave with Surface Roughness Consideration
Bibliographic record
Abstract
Abstract-This study investigates the power handling capability of the substrate integrated waveguide (SIW) transmission lines in millimeter-wave frequencies. The average power handling capability (APHC) which refers to self-heating is considered. The ohmic and dielectric losses expressions are used to predict the APHC as a function of the geometrical parameters and used material. In fact, small dimensions and the increased losses at millimeter-waves dramatically reduce the power handling capability. Moreover, the additional effect of the surface roughness doubles the conductor loss at millimeter-wave frequencies. The proper material and dimensions selection for SIW, which could increase its APHC are discussed. In addition, guidelines for investigating the oversized version of SIW are also presented. To investigating the oversized version of SIW are also presented. To validate the simulations, a set of transmission lines (microstrip, The good agreement of measured losses with the calculated validates this study.
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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".