The cobia (Rachycentron canadum) is a species of perciform marine fish, the only representative of the genus Rachycentron and the family Rachycentridae. Other common names include black kingfish, black salmon, ling, lemonfish, crabeater, prodigal son and black bonito.
Volvo's pedestrian and cyclist detection system, which debuted in 2013, uses a radar unit integrated into the car's grille, as well as a digital camera embedded in the interior rear-view mirror, to monitor a field of view several yards in front of the car.
4 Advantages of the active sensors (over passive sensors): Wheel speed detection from standstill. This allows speeds of just 0.1 km/h to be measured which is of importance in the case of traction control systems (TCS) right from the moment of starting. The Hall sensors are able to detect forward and backward movement.