The first such ship will be deployed on Alaska's adak Island, which is part of the Aleutian Islands, where it can track missiles over North Korea and China. Although her home port is Alaska, she will be paid for tasks that need to be transferred to all parts of the Pacific Ocean.
According to Lieutenant General Trey oberlin, director of the Missile Defense Agency, SBX can track baseball-sized objects (about 2,900 miles) over San Francisco from chesapeake bay. This radar will guide missiles launched by the United States from Alaska and California, as well as military equipment in the theater.
Since 2002, this system has completed six successful interception tests.
The average power of XBR is 1.70 kW, and the radar area is 1.23 m2, so the energy aperture of radar reaches 20 million, but the actual search capability of radar cannot reach such a high level.
For the thin-array XBR radar with 8 1000 active transmitting and receiving units, only about one fifth of the transmitting units work on the fully filled phased array radar, which reduces the detection ability of the radar by five times, and more equal energy reaches the sidelobe of the radar waveform, making the actual energy aperture less than 4 million. XBR antennas with all functions can increase the energy aperture by 25 times, but the increased number of transmitting and receiving units will greatly increase the cost of radar, because these solid-state active transmitting and receiving units are the main cost of radar.
Thinning phased array antenna is beneficial to form a thinner radar beam, thus improving the accuracy of target position tracking. This design of sacrificing energy aperture highlights XBR's ability to focus on tracking and identification, and gives the upgraded early warning radar system (UEWR) more search functions. Because the tracking ability of UEWR can determine that the target is within a bandwidth of XBR, XBR can concentrate energy on several beam positions at most. This means that X-band radar can detect and track long-range targets, although its energy aperture is limited. For conventional ballistic missile targets, X-band radar can detect and track targets 4000 kilometers away (regardless of the curvature of the earth). For ballistic missiles with weakened signals, the detection distance can also reach 2000 kilometers.
The analytical ability to distinguish the true warhead from the false target depends on the signal-to-noise ratio higher than the tracking requirement, and the distance to identify the true and false target will be much less than the maximum detection distance.
X-band radar needs 30 to 60 people to operate. The X-band radar will include the radar installed on the pedestal and related control and maintenance systems, a power station and a control area with a radius of150m.
X-band radar works in the X-band frequency range, and the manual shows that operating X-band radar has no impact on human health. The electromagnetic radiation of X-band radar at150m is equivalent to the electromagnetic radiation at a distance of 5cm from the microwave oven or10cm from the interphone.
Considering flight safety, the X-band radar will cooperate with the Federal Flight Administration to ensure that the main wave of the beam will not irradiate the aircraft. Considering the influence of side leaf energy, a control area is set up 5 kilometers on the ground and 8 kilometers in the air. The empty surface will be 50 kilometers away from the main beam. On February 23rd, 20 13, the Japanese and American governments initially decided to deploy "X-band radar" in the sub-base of Air Self-Defense Force in downtown Du Jing County. The radar can accurately track the launched missiles at a long distance, and it is a high-performance radar of the US military.
According to the report, if North Korea launches ballistic missiles at Guam and Hawaii, it will probably pass over Feng Jingen and surrounding areas. Therefore, Japan and the United States believe that it is most appropriate to deploy radar in Kyoto because it is close to the regional center.
For the US military, Guam is a strategic fortress in its Pacific region; Hawaii is also an important base for the location of the US Pacific Command. Japanese Prime Minister Shinzo Abe and US President Barack Obama confirmed at the 22nd meeting that "X-band radar" will be deployed in Japan. The two sides plan to implement the deployment within the year and will begin to coordinate the deployment location.
It is also known that Japan is still considering purchasing mobile X-band radar to deal with China's low-flying aircraft. 20 12 13 A small plane from China's maritime supervision department flew into the airspace near Diaoyu Island, and the Ministry of Defense awkwardly admitted that the Self-Defense Force radar had a blind spot in this area and failed to detect the Chinese plane. Therefore, the Japanese government decided urgently on the same day that it would purchase an American-made X-band radar and deploy it in Kyushu near the Diaoyu Islands for "surveillance".