Liquid Metal Reconfigurable Patch Antenna for Linear, RH, and LH Circular Polarization With Frequency Tuning
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Bibliographic record
Abstract
A microstrip circular patch antenna with frequency and polarization reconfigurability using liquid metal is presented. The antenna has a C-shaped slot cut at the center of the patch and reconfigurability is achieved using two putty containers and liquid metal to switch between four different states. Linear polarization (LP) is observed at 5.83 GHz when there is no liquid metal inside the containers. Depositing two liquid metal droplets in the containers yields circular polarization (CP) at 6 GHz. The right-hand CP (RHCP) is obtained when the right-most container is filled, and the left-hand CP (LHCP) is obtained when the leftmost container is filled with the liquid metal. When all containers are filled, LP is observed at 6.15 GHz. For the LP case, the antenna has a measured gain of 2.68 dB when all containers are filled and a measured gain of 3 dB when the containers are empty, and the axial ratios (ARs) are 19.65 dB (filled containers) and 23.74 dB (empty containers). When the LHCP is activated, the gain is 2.44 dB and the AR is 0.54 dB at 6 GHz. For RHCP, the gain is 2.37 dB and the AR is 1.5 dB at 6 GHz.
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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