Explanation: Total number of unique elements are 3, i.e[1,2,3] and Therefore return 3 after assigning [1,2,3] in the beginning of the array. Explanation: Total number of unique elements are 4, i.e[1,2 ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

Abstract: In this paper, based on the principles of array optimization, an optimization of Ultra-Sparse MIMO radar arrays is proposed, which is simultaneously considers array Redundancy and the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...

Microplastics have been found to be highly pervasive in the environment, driving concerns for health, environment, and ecology. Analytical methods that can accurately identify microplastics are ...

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Say you've captured a stunning sunset at the beach, but there's a trash can ruining the foreground. Or maybe you've taken the perfect family portrait, only to later realize there's a stranger in the ...

Abstract: A continuously steerable beam patch antenna array employing a classical phase shifter based on GaN HEMTs is presented. Here the GaN HEMTs are used as varactor diodes to achieve the ...