Abstract: In this letter, we address the problem of timely delivery of status update packets in a real-time communication system, where a transmitter sends status updates generated by a source to a ...
Abstract: The insulated-gate bipolar transistor (IGBT) module is a critical component of the traction converter in rail transit vehicles, and its reliability is essential for the safe operation of ...
The U.S. government calculates the country's official time using more than a dozen atomic clocks at a federal facility northwest of Denver. But when a destructive windstorm knocked out power to the ...
Time passes by faster on Mars than on Earth. ESA & MPS for OSIRIS Team MPS / UPD / LAM / IAA / RSSD / INTA / UPM / DASP / IDA, 2007, CC BY-SA 3.0 IGO The question “What time is it on Mars?” is far ...