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Type 055 Guided Missile Cruiser - Radars

The realization of the anti-saturation attack capability of the Type 055 destroyer is undoubtedly realized by powerful radar and a large number of ship-to-air missiles. Since there have been related articles on the analysis of its long-range air defense capability, this article focuses on its radar. Discuss with the medium-range air defense capability. In terms of radar, shipborne radar currently mainly uses L-band, S-band, C-band and X-band. The L-band is used for remote warning; the S-band is used for medium-distance search and tracking; the X-band is used for fire control and illumination; and the C-band between the S-band and the X-band is neutralized by the S-band. Both the advantages and disadvantages of the X-band and the X-band are often applied to small and medium-sized ships.

S-band phased array radars are generally weak in their ability to suppress sea clutter, and low-altitude sea-skimming targets are generally weak, so they are often used to undertake mid-range tracking and rough fire-guided missions of air targets. The 346-type guided missile destroyer is responsible for this band, the latest 346B active phased array radar of the "China Aegis" series. Compared with the previous model 346A, the radar not only further improves the heat dissipation efficiency, but also saves power. The continuous boot time has also been further extended. It is estimated that the radar may be based on the 346A type, and the new generation of GaN components and receiving/transmitting technologies may be used to meet or exceed the performance of the US new generation SPY-6 phased array radar.

 Type 055The L-band radar is located at the top of the integrated mast of the Type 055 destroyer, while the X-band phased array radar is at the bottom (there is also a view that the two positions are opposite). This is the first time that X-band phased array radars have appeared on Chinese warships. It is reported that they are mainly responsible for the accurate tracking of maritime and air targets, and for the guidance and final illumination of new medium-range ship-to-air missiles. Due to the rapid spread of anti-ship missile technology in the Western Pacific, the radar will significantly improve the interception capability of the Type 055 destroyer for anti-ship missiles. It is worth noting that there is a circular integrated photoelectric window below the radar that can be used as a supplement to the radar detection capability.

The 055 "Aegis" ship is equipped with the latest Chinse phased array radar system. The dual-band radar (DBR) design is used. The whole ship is equipped with eight active phased array antennas: four S-band phased array antennas. In the wide-area long-range air-to-air detection and identification, 4 X-band active phased array antenna are used for short-range air to sea recognition detection, weapon fire control guidance.

 Type 055And between the L-band radar and the X-band radar, it may be a C-band radar. The long-range air defense main force of the Type 055 destroyer Haihongqi-9B ship-to-air missile has a range of more than 200 kilometers. Although it adopts advanced SINS-instruction correction-end-stage active radar-made conductor system, the missile-borne active radar is at the end of the attack. The seeker searches and locks the target, and does not need to equip the mother ship with the corresponding illuminating radar. However, before entering the end of the range less than 20 kilometers from the enemy, it is still necessary to track the target by the mother ship's radar and send a correction command. The missile is guided to the correct attack location. Previously, this task was carried out on our 052D destroyer. It is a C-band beacon response antenna located below the S-band main array of the 346A active phased array radar, while the 055 destroyer seems to be independent.

The all-important phased array radars have been upgraded to include both X-band and S-band arrays and thus may be on par with America's top air-defense ships. The radars deliver the ship's core competence. Like the Aegis-equipped destroyers that formed the model for its predecessors, Type 055's main mission is still certain to be fleet air defense, including for Beijing's carrier battle groups. The Type 055 guided missile destroyer's other missions would likely include missile defense and anti-satellite operations.

This new ship relies on a dual-band radar system similar in concept to the one that is currently equipping the USS Gerald R. Ford. Two sets of active phased array radars, one being the larger S-band arrays on the vessel's super structure and the other being the smaller set of X-band arrays in the ship's enclosed sensor mast, equip the ship. The S-Band system is used for long range search and track, while the much more sensitive X-band system is used for tracking smaller, stealthier and high-speed objects with greater fidelity at lesser ranges. There are cross-over in capabilities between the two sensor arrays, which also adds to redundancy. No other ship in China's inventory possesses such a high-end radar system.

Traditional radars, electronic warfare, and communication equipment are independent of each other. A radar corresponds to a function. Therefore, air/island search radar, long-range air search radar, and ship-to-air missile radiation radar often appear on ships. Ship-to-ship missile guidance radar, main gun fire control radar, near-anti-aircraft fire control radar and electronic countermeasure antennas have caused the upper layer of the ship to become quite complex. On the 055 missile destroyer, all electronic equipment is organically integrated into the whole through the embedded open system. The internal radar shares the back-end control system and display equipment, and the performance is an integrated mast. The biggest benefit of multi-band integration is that the 055's anti-saturation attack capability has been significantly improved.




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