A four element phased patch antenna array using fluidic phase shifter
Bibliographic record
Abstract
A phase shifter in microstrip was investigated in which narrow, hollow channels were located under a microstrip line. When the channels were filled with fluids having a dielectric substantially different than that of the microstrip substrate, the change in the wave propagation velocity produced a noticeable phase shift. For this study, water (with a dielectric constant of 78) and air were used to achieve a variable phase shift. The goal of this study was to use water-based fluidic phase shifters to create a four element patch antenna array in microstrip operating at 8 GHz where the beam steering could be controlled by filling a number of water channels per antenna. To achieve this, a series of channels 1 mm wide and 1 mm high, separated by 2 mm, were modeled in the substrate below the transmission line in ANSYS HFSS. These channels were modeled in a 1.52 mm high substrate of Rogers R04003C with a dielectric constant of 3.55. The channels were modeled as being milled from the ground plane side of the microstrip line. The full 4 element array was able to achieve a beam steering angle of up to 18° in either direction from boresight, for a total of 36°.
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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) | 0.000 | 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 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".