Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense city, ...

The Council for Scientific and Industrial Research (CSIR) is one of the world’s leading organisations developing passive radar, and has recorded major ...

A Tornado fighter aircraft of the German Air Force prepares to land at Büchel air base on Feb. 27, 2019, near Cochem, Germany. (Thomas Lohnes/Getty Images) COLOGNE, Germany — The German Air Force has ...

Harmonic radar systems represent a significant advancement in radar technology by exploiting the nonlinear response of specially designed tags or transponders. These systems operate by transmitting a ...