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 ...

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Abstract: Direction finding in partly calibrated arrays has received significant attention in recent years. From the perspective of the calibration imperfections, existing literature predominantly ...