Deylaman is the fifth generation of the Mowj class destroyer, all being equipped with various types of domestically-manufactured defense systems and equipment. The first in line was the Jamaran destroyer, which joined the Southern Fleet of the Iranian Navy in 2009.
One notable feature that sets Deylaman apart from other destroyers of its class is its redesigned mast. Unlike other destroyers in the class, Deylaman's mast has a unique four-faced, integrated design.
The radar system on Deylaman is of the phased-array type, making it the most advanced and sophisticated radar installed on Iranian destroyers. This radar has the capability to detect and track surface and aerial targets, including aircraft, drones, helicopters, surface vessels, and surface-to-surface and surface-to-air missiles.
The primary advantage of this radar over the Jamaran and Damavand destroyers' radars and the AWS radar on other Mowj-class destroyers is its non-rotational design. This design facilitates the removal of certain components of the radar structure, which will in turn ease maintenance and reduce associated costs.
Another prominent feature of this radar is its unique Electronic Counter-Countermeasures (ECCM) capabilities, including random pulse transmitter emissions, signal analysis for electronic warfare (EW) systems, rapid pulse frequency changes, and pulse compression.
Deylaman differs from other Mowj-class destroyers in its propulsion system as well. It is equipped with four engines with four separate shafts and propellers, providing enhanced maneuverability and mobility in the weather conditions of the Caspian Sea.
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