It is very important to guide a dynamic positioning ship in an optimal heading, which can reduce the energy consumption greatly.

动力定位船舶在船位保持的过程中，其艏向是否保持在最佳艏向下对于节约能耗十分重要。

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Provides a way to simulate waves in real-time according to random-wave-spectrum. It can be used to study the performances of dynamic positioning ship and control system under different waves.

提出一种根据随机海浪频谱来实时模拟随机海浪的方法，它可以用于研究动力定位船舶及其控制系统在不同海况时的性能。

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Finally, the test examines the target signal monitoring system positioning capabilities, monitoring methods and the feasibility of monitoring programs though the real ship.

最后，通过实船测试检验了监测系统对目标信号定位能力、监测方法以及监测方案的可行性。

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During flight operations the captain can normally be found on the bridge directly involved in the mechanics of positioning and preparing the ship for launch and recovery of aircraft, ensuring the safe navigation of the ship and overseeing flight deck operations.

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Linked to GPS devices and sonar positioning beacons on the seafloor, the thrusters can keep the ship in a steady position even in 95mph winds.

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