Study of microstrip line‐fed flower‐shaped patch antenna providing enhanced bandwidth and radiation efficiency
Bibliographic record
Abstract
ABSTRACT This article presents the simulation and experimental studies of a broadband flower‐shaped patch antenna with semi‐elliptical partial ground plane fed through tapered microstrip line. The conventional circular patch is reshaped to obtain the proposed broadband flower‐shaped patch, which has distinct smaller segments and larger perimeter without changing the (largest) patch radius. The effect of different configurations of feed line and ground plane on the impedance bandwidth of the antenna is studied through simulation using Ansys' High Frequency Structure Simulator (HFSS) software. The simulated and measured bandwidths of the proposed antenna with optimum configurations of feed line and ground plane for input VSWR ≤ 2 are found to be 142% (2.3–13.6 GHz) and 135.88% (2.1–11.0 GHz), respectively. The radiation patterns of the antenna are bidirectional and omni‐directional in E‐ and H‐plane respectively. The proposed antenna has high radiation efficiency of more than 80% and reasonable gain over whole operating frequency band. Further, the input and radiation characteristics of the proposed antenna are compared with the respective characteristics of identical antenna excited using coplanar waveguide (CPW) feed. The bandwidth improvement of proposed antenna compared to reference one is explained using leaky wave concept. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2041–2046, 2016
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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".