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UP CLOSE AND PERSONAL

机译：近距离和个人

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These weapons are perhaps best known for providing protection against Anti-Ship Missiles (AShMs) and are usually based on a gun in the 20mm to 35mm range. However, there is considerable variety among CIWS, both in terms of the systems themselves and the threats they counter, and the line between them and some other gun systems can easily become blurred. For the US and its NATO (North Atlantic Treaty Organisation) allies, one of the best-known CIWSs is Raytheon's Phalanx family. The Phalanx design has been in service since the 1980s, and is based around a 20mm radar-guided Gatling gun; with the latest iteration of the system known as the Phalanx Block-1B Baseline-2. The US Navy is currently upgrading all its Phalanx systems to this new baseline, with the project set for completion at some point in 2019, said Rick McDonnell, director of close-in defence solutions at Raytheon's missile systems subsidiary. The major change in the latest upgrade has been a series of performance enhancements to the gun's radar system, he said. This has worked on a number of levels, including upgrades to the radar signal processing architecture, Mr. McDonnell explained, though he could not go into further detail.
机译：这些武器可能以提供防御反舰导弹（AShMs）的能力而闻名，通常以20毫米至35毫米范围内的枪支为基础。但是，无论是系统本身还是它们所应对的威胁，CIWS之间都存在相当大的差异，而且它们与某些其他火炮系统之间的界线很容易变得模糊。对于美国及其北约（北大西洋公约组织）的盟友而言，最著名的CIWS之一就是雷神公司的Phalanx家族。自1980年代以来，方阵设计开始使用，它以20毫米雷达制导的加特林机枪为基础。系统的最新版本称为Phalanx Block-1B Baseline-2。雷神公司导弹系统子公司近程防御解决方案主管里克·麦克唐纳说，美国海军目前正在将其所有的“方阵”系统升级到这一新基准，该项目定于2019年某个时候完成。他说，最新升级的主要变化是枪炮雷达系统的一系列性能增强。麦克唐纳先生解释说，这已经在多个层面上起作用，包括对雷达信号处理架构的升级，尽管他无法进一步详细介绍。

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