Abstract: This article proposed an eddy current testing (ECT) method to simultaneous measure conductivity and diameter of metallic rod using phase feature. The eddy current sensor with single coil ...
Abstract: A hemispherical Luneburg lens (LL) with the focal plane near lens surface is proposed using a transformation optics (TO)-based metamaterial (MTM) lens (metalens) concept for wide-angle ...
Following Vivo's launch of its X300 flagship earlier this year, Oppo introduced its Find X9 series on October 16, 2025, aiming to strengthen computing power, energy efficiency, and imaging performance ...
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