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随着雷达技术的不断发展,舰船的生命力受到严重的威胁,为了提高舰船的生存能力,增加舰船的隐蔽性并提高其防护和对抗能力的课题研究已十分重要。超视距雷达工作在短波波段,可监视地平线以下目标,能够用来探测和发现隐形武器装备。通常情况下,若某舰船目标能够被高频超视距雷达探测到,那么该目标的RCS一般都处于谐振区。将对在超视距雷达照射下且处于谐振区舰船目标RCS的影响因素进行研究。
With the continuous development of radar technology, the vitality of ships is seriously threatened. In order to improve the survivability of ships and to increase the covertness of ships and enhance their ability of protection and confrontation, it is very important to study the issues. OTHR work in the shortwave band, can monitor the following targets below the horizon, can be used to detect and find stealth weapons and equipment. Under normal circumstances, if the target of a ship can be detected by high-frequency OTH radar, the RCS of the target is generally in the resonance region. The factors that affect the target RCS of a ship in a resonance region will be studied under the illumination of the OTH radar.