Novel Wideband Antenna for GNSS and Satellite Communications
Bibliographic record
Abstract
A novel concept of a dual-sense circularly polarized dielectric resonator antenna (DRA) for the Global Navigation Satellite Systems (GNSS) and other satellite communications is presented. The concept introduces a loaded annular dielectric resonator excited using four vertical conformal strips fed in a quadrature. The most unique feature of this antenna is the resonator load, which modifies the boundary conditions of the resonator core. The load is a one-dimensional array of periodic elements that behave like an electromagnetic band-gap structure (EBG). The impact on the antenna performance is multifold, including improved bandwidth, radiation efficiency and reduced mutual coupling between the excitation ports. The experimental results show that this antenna effectively covers both the lower (1165-1300 MHz) and upper (1560-1610 MHz) GNSS bands. The 0 dBic gain and 3 dB axial ratio (AR) bandwidth significantly exceed the 10 dB return loss (RL) bandwidth. The 0 dBic gain and 3 dB AR beamwidth range from 105° to 120° and from 135° to 165°, respectively, within the GNSS bands. The antenna also exhibits a stop-band at 1355 MHz.
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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".