RF humidity sensor implemented with PEI-coated compact microstrip resonant cell
Why this work is in the frame
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Bibliographic record
Abstract
This paper presents a novel application of RF Compact Microstrip Resonant Cells (CMRC) coated with polyethylenimine (PEI) to form a high performance RF relative humidity (%RH) sensor. The single-port, short-circuit terminated CMRC sensor cell is coated with 5 uL of 10 w.t.% PEI diluted in methanol, and is coupled to the ultra-micro coaxial connector (UMCC) through a direction transmission line. The PEI coating coming in contact with humid air undergoes changes in both physical volume and dielectric constant, thereby shifting the resonant frequency of the CMRC sensor. The return loss (S11) measured near the resonant frequency of the sensor has seen an average humidity sensitivity of −16.2 mdB / %RH, with great linearity across the full range of relative humidity levels. All measurements are done at atmospheric temperature and pressure (ATM).
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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 | 0.001 |
| Open science | 0.001 | 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