The increasing demands on ever smarter, fully automated products require highly sensitive, compact, cost-effective, and power-saving sensor technologies. One of the most challenging disciplines is remote sensing, where the environment needs to be sensed independently of disruptive external influences. One of the most powerful, rapidly developing key technologies for environment sensing is RADAR (Radio Detection And Ranging).

A radar consists of a transmitter and a receiver, both equipped with one or more antennas, and a signal processing system. The transmitter actively scans the environment with electromagnetic waves that propagate at a constant speed and are reflected by objects. The reflected echoes are received and evaluated in a task-specific manner with the aid of the signal processing system. Differences between the transmitted waves and the reflected echoes can be used to detect static or moving objects and calculate other parameters such as distance, speed, direction of movement, or even position.