这个问题来自平稳随机序列的相关函数。

This problem arises from the correlation functions of stationary stochastic sequences.

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我们将该问题描述为一个连续时间随机控制模型，通过对价值函数性质的讨论，我们给出了模型的封闭解。

We formulate the problem as a continuous-time stochastic control model. Through analyzing the properties of the expected value function, we derive its close-form solution.

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对于功能函数中含有模糊分布参数(FDP)的随机变量问题，如何准确且简便地评估其可靠性，是十分重要的。

For a problem with performance functions which include random variables with fuzzy distribution parameters (FDP), it is important to evaluate their reliability accurately and rapidly.

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