Prime Minister Narendra Modi flagged off two specially designed Vande Bharat trains between Shri Mata Vaishno Devi Katra and Srinagar on Friday. The inauguration of a direct rail link to the Valley is ...

Passively monitoring the spectrum for detection and localisation of radar sources is ever more fraught with difficulty due to the advent of low probability of intercept (LPI) radar technology. A key ...

This paper proposes array configurations that can be used for sparse direction-of-arrival (DOA) estimation. The proposed array uses three uniform linear subarrays where the number of elements in the ...

A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed something unique – the etchings, lines like tally marks, may have represented ...