Abstract: The conventional sector beam antenna array used in communication system suffers from the reduced signal strength as its distance to the receiving terminal gradually increases. In response to ...

Abstract: This article proposes a novel calibration method for linear array antennas based on the scattering signals of a standard metal cylinder. The method sequentially activates each element of the ...

Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very beginning of mathematics.

Question: Why is labeling students “high,” “medium,” and “low” problematic?

When the current method for producing something is estimated to consume a staggering 1-2% of the annual global energy supply, it means we need to make a change. The Haber-Bosch process produces ample ...