Radar (acronym for Radio Detection and Ranging) uses radio waves to detect objects in the environment. It allows determining the distance (known as range), angular position (bearing), and velocity.

Emerging radar and signal processing technology is enabling Navy surface ships to achieve a ground-breaking measure of radar-detection range and precision--all while enabling ship defense systems to ...

Until recently phased array radar has been very expensive, used only for military applications where the cost of survival weighs in the balance. With the advent of low-cost microwave devices and ...

Turn on the Weather Channel, and you might see storm-tracking images from your friendly local Doppler radar system. Although your average storm front is quite large, this technology can also track ...