Abstract: A 3-bit beam steerable antenna array based on a microstrip line is designed and implemented at 28 GHz for millimetre-wave application. The antenna consists of an 8-element tightly stacked ...

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Abstract: The array element consists of a feeding structure designed as a 2-way power division with a 90° phase difference and a dual-layer patch structure. An aperture-couple driven patch spatially ...

The Environmental Protection Agency (EPA) is looking to roll back regulatory standards for three types of per- and polyfluoroalkyl substances, also known as PFAS chemicals, in drinking water systems.