New research indicated that military and civilian radar signals were a beacon for alien life to detect us due to hidden ...

A new study reveals that a common human technology may be quietly broadcasting our presence to alien civilizations—without us ...

Ever wonder what those mysterious antennas on surveillance aircraft really do? In Electronic Warfare: The Invisible ...

Signal analyzers use different approaches to measuring a signal’s spectrum. Each approach has its advantages and limitations. These differences are most apparent and critical when measuring wideband ...

AI may be better for detecting radar signals, facilitating spectrum sharing. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 02 / 190221110531.htm ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Two problems with conventional radar make it unsuitable for many applications: Anyone with a radar receiver can tell when you activate it, and it can't image objects closer than about 100 feet.

If you’d like to know more, IEEE Spectrum has covered this topic just a week ago, ... and give some Python scripts that can be used to perform passive radar signal processing.

This uses a new lattice pattern that focuses on the higher end of the electromagnetic spectrum to attenuate radar signals in the 1 to 100 GHz range, but allows lower-end signals for GPS and radio ...