Bibliographic record
Abstract
This report describes the activities undertaken by the author during his Defence Science Fellowship on the topic of Conformal Load-bearing Antenna Structure (CLAS) at the Air Force Research Laboratory, Air Vehicles Directorate, Structures Division, Advanced Structural Concepts Branch (AFRL/VASA), Multifunctional Structures Team at the Wright Patterson Air Force Base, Ohio, USA, from June 2006 to August 2007. The aim of CLAS is to enhance the performance and capability of air vehicles by integrating antennas into the load-bearing airframe structure. The author and AFRL/VASA team devised new CLAS concepts and selected one, Slotted Waveguide Antenna Stiffened Structure (SWASS), for further evaluation. In SWASS the top-hat cross-section stiffeners on thin skins or blade stiffeners in sandwich panels would serve the dual purpose of acting both as structural stiffeners and as slotted waveguide antennas. This concept was partially validated by modelling, design, manufacture and testing at the coupon level. Waveguides were manufactured from carbon fibre reinforced plastic and their insertion loss measured. Conventional AS4/3501-6 prepreg tape waveguides exhibited the lowest losses and, although these losses were well above those for metallic waveguides, they were expected to be acceptable for first generation SWASS antennas. Work is continuing to complete the validation.
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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 | 0.001 |
| 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 | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".