查询词典 optimal control

Using the dynamic programming approach, an explicit solution to the value function of the optimal portfolio problem is obtained by the HJB equation, and the optimal investment strategy is given.

在风险投资服从Heston模型的假设下，研究了幂效用函数的最优投资组合问题，利用动态规划方法通过HJB方程得到最优投资组合价值函数的显式解，并给出最优投资策略。

Here we employ the optimal currency composition of external debt model established by Stijn Claessens(1988) to analyze our country's optimal external debt portfolio.

本文借鉴Stijn Claessens(1988)建立的最优外债币种构成模型，对我国外债最优的外债币种构成进行了实证模型分析。

This method can approach local extreme value available, but it is not the optimal solution or optimal resolution.

用这种方法可以有效逼近解的局部极小点，但不一定能得到最佳解或最佳的分辨率。

In this thesis, we use the Min-Max criterion and Parks-McClellan algorithm to design this optimal approximation error of spectrum. Moreover, we give constraint of this optimal spectrum to get the positive spectrum. Then the positive spectrum can be factored by Spectrum Factorization Theorem and can be realized by FIR system.

我们利用最小化最大误差指标，及Parks-McClellan演算法，设计出具有最佳误差的频谱，并对此频谱做限制式上的处理，来得到正数列频谱，并将所得到之正数列频谱利用分解理论做分解，并以FIR系统实现之。

The method generates the feasible set that satisfies the constraint condition with chaotic optimal algorithm, fines out the optimal trade-off solution from the non-inferior solution set with the favor of interactive decision-making, and furthermore, makes an actual case study on the reservoirs along the downstream of Luanhe River.

该方法利用混沌优化算法生成满足约束条件的可行集，再采用交互式决策偏好的方法从非劣解集中寻找最佳权衡解；并对滦河下游水库群进行了实例研究。

For fish-pond disinfection, the optimal concentration of G. Chinensis could be 3mgL^(-1) and the optimal treating duration could be 72h.

用五倍子药液对养鱼池塘消毒防病，浓度以3mgL^(-1)，消毒时间以72h为宜。

The results showed that PPFS had better flocculating efficiency than PFS and PAC,the performance of floccule was the optimal at pH of 6~10.Furthermore,when PPFS could be used to treat municipal wastewater,the optimal dosage of PPFS was 4.8 mg/L,and PFS and PAC were 6.4 mg/L,the removal rates of CODCr we...

此外，将PPFS用于处理城市生活污水，PPFS除浊的优化用量为4.8 mg/L，而PFS﹑PAC优化用量为6.4 mg/L；CODCr的去除率可分别高达91.4%﹑88.4%﹑86.5%；在pH值为7￣9的条件下，PPFS对城市生活污水的浊度和CODCr的去除具有良好效果。

The stoical and global environment is given, which is abstracted with grid method before the workspace model of the robot being built. With the adoption of the ant colony algorithm, the foraging behavior of ant colony is simulated. According to the optimization condition, the robot tries to find a path which is optimal or optimal-approximate path from starting point to goal, that is global path planning.

本文讨论的机器人环境为静态全局环境已知，通过栅格法对已知环境进行抽象，建立机器人工作空间模型，并采用蚁群算法，模拟蚂蚁觅食行为，根据优化条件搜索出一条从指定起点到终点的最优或近似最优路径，即全局路径规划。

Emulation test result makes clear, these improve measure to make of optimal path search fast and efficient, although be below the environment with very complex fraise, also plan quickly to give an optimal way.

仿真实验结果表明，这些改进办法使最优路径的寻找快速而高效，即使在障碍物非常复杂的环境下，也能迅速地规划出一条最优路径。

The whole inverse problem may be viewed as a two-stage optimal procedure, and the optimal algorithm based on gradient, such as BFGS algorithm, is adopted as the gradient of the objective functions which may be derived by using Frechet differential.

由于两次优化的目标函数的导数都是可求得的，因此采用基于梯度的优化算法，如Broyden-Fletcher-Goldfard-Shanno变尺度算法。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。