High-Gain Miniaturized Ultrawideband Antipodal Vivaldi Antenna with Metamaterials.

Micromachines (Basel) · 2025 · PMC12843833 · PMID 41597789

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a decreasing trendno p-value reported

As the frequency increases, the measured half-power beamwidth (HPBW) of the main beam shows a decreasing trend, being approximately 70° at 1 GHz, about 35° at 13 GHz, and further narrowing to around 10° at 25 GHz.

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