Direction-of-Arrival (DOA) estimation capability of sensor arrays is greatly influenced by geometric configuration of arrays. We proposed a new type 2-D planar array, improved Archimedean spiral array ...

In this letter, a near-field focused array antenna is applied to two-dimensional microwave imaging, which steers its focus on the designed focal plane by changing the operating frequency and by phase ...

Poly(lactic acid) (PLA), a biobased and biodegradable plastic, has garnered substantial attention due to its environmental benefits. However, the inherent brittleness, limited functionality, and ...

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