It is the optical analog of phased array radar.

Many American companies have also looked at Japan's phased array radar.

The aerials of the phased array radar will be distributed over the two pyramids.

They are also useful in military electronics such as active electronically scanned array radars.

Another method of steering is used in a phased array radar.

Phased array radars were originally used for missile defense.

As the price of electronics has fallen, phased array radars have become more common.

Phased array radars are valued for use in aircraft since they can track multiple targets.

However the initial prototypes will use legacy passive electronically scanned array radar.

However more modern aircraft such as the Rafale with phased array radars can look forward and at the ground simultaneously.