The most widely adopted computer language in history, COBOL is now causing a host of problems. It's also dangerously difficult to remove.

Abstract: The design of sparse synthesis has been paying much attention in recent years due to the control of system cost. Concurrently, phase quantization is increasingly being considered for system ...

Abstract: With the improvement of satellites' maneuverability, agile earth observation satellites (AEOSs) can pitch and roll themselves to observe targets with a longer visible time window (VTW), ...