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, ...

Dr James Palmer, CEO of Silentium Defence, and Melissa Price, Australia's Minister for Defence Industry, with MAVERICK-M passive radar. (Silentium Defence) Australia's Silentium Defence has secured a ...

Solar signal Store Glacier, Greenland, where researchers showed that a battery-powered radio receiver with an antenna placed on the ice can use the Sun's radio waves to measure the glacier's thickness ...

For surveillance tasks in the safety and security field, radar sensors are often essential instruments. The benefits of radars are evident: radar is capable of detecting motion, measuring speed, ...

This article discusses some of the fundamental research and development challenges in both the digital and RF/millimeter wave domains (such as waveform generation, receiver algorithms and ...