Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) ...

Today high speed protection of power system elements is necessary and realizable. This paper introduces time-domain protection techniques for transmission lines using voltage and current signals in ...

The lack of range information for passive measurements complicates sensor registration, requires one to address the arctangent function's singularities, and prevents one from applying existing polar ...