Loop invariants are fundamental to reasoning about programs with loops. They establish properties about a given loop’s behavior. When they additionally are inductive, they become useful for the task ...

Visual skill tests are a form of brain-teaser puzzle that test the reader's critical thinking and problem-solving skills. These challenges have the potential to boost intelligence and improve ...

Abstract: Spatial spectrum direction finding is a kind of radio signal direction finding technology which combines multi-element antenna and multi-channel signal processing. The spatial spectrum ...

Nov. 26 (UPI) --A coyote that appeared to be stranded on a ledge outside a Florida hotel drew a crowd of onlookers, including police, before eventually finding its own way down. The coyote was spotted ...

Presidential job approval ratings are one of the few metrics consistently and similarly measured in nearly all major public polls. An average of recent polls can often paint a more reliable picture of ...

Abstract: In this paper, we develop an efficient algorithm for direction finding and polarization estimation using coprime electromagnetic vector sensor (EMVS) array. First of all, we represent the ...