中频噪声一直是舰船系统有待解决的难题。

The intermediate frequency noise is always a difficult problem of the ship system that is to be solved.

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舰船系统是一个复杂的社会技术系统(STS)。

The naval vessel system is a complicated socio-technical system (STS).

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本文对减执行器水面舰船系统提出一种具有指数收敛率的光滑时变反馈控制律 ，使得闭环系统被全局镇定 。

Moreover, the control laws using smooth time varying feedback do not stabilize the system at exponential convergence rate.

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