Microwave Propagation in Circular Quarter Wave Transformer made of Teflon and K-12 Composite
Bibliographic record
Abstract
Introduction: The business is developing at an extremely quick rate and the prerequisite for the recently made material is generally there for the high-recurrence applications. There are different polymers and clay materials and there are composites currently accessible in the business for high-recurrence applications. Polymer ceramic composites are being used for high frequency applications. The quarter-wave transformer offers a relatively simple method of impedance matching for many RF applications. Low loss circular quarter wave transformer is important for the circular microwave devices like phase shifters antennas etc which is realizable using Fused silica and K12 polymer ceramic composites. Objectives: Objective of this research work is simulation and fabrication of the circular quarter wave transformer at X-band using TEFLON-K-12 polymer ceramic composites. Methods: The Teflon and K-12 composite was used to fabricate the circular Quater wave transformer for microwave applications. The composite slab was machined to create the bare circular rod. The bare quarter wave transformer was sputtered in a closed chamber in the silver target. The sputtered rod creates a circular Quater wave transformer that is filled with Teflon-K-12 composite. Results: The insertion loss of the circular Quater wave transformer was found 0.05 dB. Thus, a circular Quater wave transformer is formed with polymer and ceramic composite a new material for low loss microwave applications. The practical value holds good in agreement with the theoretical approaches. Conclusions: The Teflon and K-12 composite was used to fabricate the circular Quater wave transformer for microwave applications. The measured S –parameter results of the circular Quater wave transformer were found satisfactory, and it is found suitable for the low loss microwave propagation. The quarter wave transformer is able to match impedances 50 ohms and 100 ohms.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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) | 0.002 | 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".