COLOGNE, Germany — The German air force has begun testing so-called passive radar as a complementary surveillance technique for ground-based air-defense formations, aimed at helping covert operations ...

GRAZ, Austria — German sensor specialist Hensoldt has released a standalone package of its Twinvis passive radar, a technology that promises the detection of aircraft optimized for stealth, the ...

Abstract: Traditional active radars transmit a powerful electromagnetic pulse and record the echo's delay time and power to measure target properties of interest, such as range, velocity, and ...

PRAGUE - A Czech high-tech passive radar system called Vera is in the process of being shipped to the United States, Czech and U.S. officials said Aug. 30. Czech arms exporter Thomas CZ turned over ...

PRAGUE - Senior U.S. officials are seriously interested in acquiring the Czech Republic's Vera advanced passive radar system, Czech foreign minister Cyril Svoboda said. After a two-day trip to ...

British engineers from University College London have developed a passive radar system that can see through walls using the WiFi signals generated by wireless routers and access points. The system, ...

As part of the three-year deal, Redarc will manufacture certain passive radar systems developed by Silentium, which are capable of tracking threats from drones and aircraft without being detected.

Sean Peters is leading a major multi-institutional initiative to develop power efficient passive radar systems that could peek under the surface of Mars. Peters has earned a $2.45 million, three-year ...

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 ...