With the widespread use of automatic identification systems (AISs), some ships use deceptive information or intentionally close their AISs to conceal their illegal activities or evade the supervision of maritime departments. Although radar measurements can be effectively utilized to evaluate the credibility of received AIS data, the propagation of non-line-of-sight (NLOS) signal conditions is an important factor that affects l...

Calculation of the warming rate is the key to addressing the current debate about the existence of a recent hiatus in global warming. Previous studies have calculated the warming rate based on either a long period or selected periods. We calculated the warming rate in the seasonal temperatures obtained from 2,479 weather stations across China. We identified all the trend change years and divided the period 1958–2017 into diffe...