Disproving Sum-Difference Co-Array Property
2023-01-29Unverified0· sign in to hype
Jisheng Dai, Hing Cheung So
Unverified — Be the first to reproduce this paper.
ReproduceAbstract
The recently published paper by Gupta and Agrawal [1] exploited the sum-difference co-array (SDCA) to enhance the virtual aperture of sparse arrays. We argue that the key SDCA property established in [1] requires a critical necessary and sufficient condition that is valid for a very rare case only.