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A type of phased array antenna known as an active electronically scanned array (AESA) is a computer-controlled array antenna in which the radio wave beam can be electronically steered to point in various directions without moving the antenna. Each antenna element in the AESA is connected to a small solid-state transmit/receive module (TRM) controlled by a computer that acts as the antenna’s transmitter or receiver.
In contrast, a passive electronically scanned array (PESA) uses phase shifters controlled by a computer to connect all of the antenna elements to a single transmitter or receiver. Active phased array radar (APAR) is the primary application for AESA in radar.
The AESA is a phased array technology from the second generation of the original PESA that is more advanced and sophisticated. PESAs can only simultaneously send out a single radio wave beam at a single frequency. If there are going to be multiple beams, the PESA will need to use a Butler matrix.
The AESA is capable of simultaneously radiating multiple radio wave beams at various frequencies. Ships and aircraft can emit powerful radar signals while remaining stealthy and more resistant to jamming thanks to AESA radars’ ability to spread their signal emissions across a wider frequency range, making them more difficult to distinguish from background noise.
There are also hybrids of AESA and PESA that each have their own RF front end and are made up of subarrays that each look like PESAs. The advantages of AESA, such as multiple independent beams, can be realized at a lower cost with a hybrid approach than with pure AESA.
The Global Active Electronically Scanned Array (AESA) Radars Market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The new, compact AESA radar from Raytheon Intelligence & Space is available for any platform. The Active Electronically Scanned Array, or AESA, radar was recently introduced by Raytheon Intelligence & Space, a division of Raytheon Technologies.
This radar is lightweight, compact, and affordable. It uses the power of a heavyweight AESA fire control radar in its smallest and most cost-effective form ever. The new compact radar weighs just over 100 pounds, is a third as heavy as the majority of contemporary AESA radars, and costs about half as much as standard fire control radars.
To deliver Gen 4-plus performance, it combines the power of Gallium Nitride (GaN) technology with an innovative air-cooled design, CHIRP, for its digital receiver/exciter and processor.
With more than one million flight hours, Raytheon Intelligence & Space AESA radars have proven to be reliable in combat. Their open architecture design keeps operational and maintenance costs low while allowing for rapid upgrades.
The former Raytheon Company developed the first operational AESA radar for the F-15C Eagle, with the first systems in service by December 2000. A team from both El Segundo, California, and Tucson, Arizona, known as Raytheon Technologies, worked together to create the compact AESA radar system.
