Using the concept of pseudo control variable, a simple state equation is constructed which describes the relative motion between an anti-ship missile and a target ship.

利用伪控制变量的概念，建立了简单的描述反舰导弹与目标舰艇相对运动的状态方程。

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The national flag of a ship is also taken into account when choosing a target, with British vessels being increasingly avoided, according to the report.

根据报告，在选择目标的，船只上的国旗也在考虑之内，配有英国国旗的船只正在逐渐避免成为海盗的目标。

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The system's component parts have likely been designed and tested, but U.S. sources have not detected an over-water test to see how well it can target a moving ship, Willard said.

Willard said系统的一部分很可能已经设计并测试，但美国的情报还没有侦查到全面水上的测试来看它是如击中移动的船只。

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In 2008 the target ship managed to beat off a pirate assault half the time.

ECONOMIST: Piracy

It is a system that works pretty well if the target ship is paying attention and can notify the navy in time and get all of the crew under cover.

FORBES: How Is The Shipping Industry "Pirate Proofing" Their Fleets?

Because the operators do not need to keep pointing a laser at the target, they can fire several missiles in quick succession a useful feature if a ship is being attacked by a swarm of boats.

ECONOMIST: Cheap smart weapons