Design and Optimization of A Broadband X‐Band Bidirectional Amplifier
Bibliographic record
Abstract
ABSTRACT This article presents the design of a simple and inexpensive X‐band bidirectional amplifier based on two microstrip quadrature hybrid rings and two low cost microwave monolithic integrated circuit monolithic amplifiers. Each subsystem of the amplifier was designed and optimized, by means of an optimization methodology to obtain the best performances. In particular, the design problem was recast as an optimization one by defining suitable cost functions that are then minimized with an evolutionary optimization technique, namely the particle swarm optimizer. An experimental prototype has been designed, developed, and measured. The obtained results demonstrate the capabilities of the proposed broadband bidirectional amplifier and envisage future and possible advances in the application of such devices for the development of advanced telecommunications systems. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:1730–1735, 2013
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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) | 0.000 | 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 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".