Converting between kilometers and miles becomes effortless with these mental math tricks. Learn to quickly estimate distances ...

Vital signs are important indicators to evaluate the health status of patients. Channel state information (CSI) can sense the displacement of the chest wall caused by cardiorespiratory activity in a ...

The method of minimizing the number of necessary phasor measurement units (PMUs) while ensuring that the entire power system is completely observable is known as optimal PMUs placement problem. This ...