In this paper we discuss conjugate direction method for LS estimator and analyse error of iterative solution.

本文讨论了求ls估计的共轭方向法，对迭代解的误差进行了分析。

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Buffer Solution usually containing a weak acid and its conjugate weak base, or a salt, of such a composition that the pH is held constant within a certain range.

通常指含有一种微酸和与之结合的一种微碱或盐，并能维持酸碱值基本恒定的溶液。

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Trajectory sensitivity approach is used to assess the gradient of the PSS and SVC parameters on the objective function and then conjugate gradient approach is applied to find the optimum solution.

通过计算发电机转速和无功补偿节点电压变化量对各控制器参数的轨迹灵敏度，获得目标函数对各控制器参数的梯度，以便于用共轭梯度法寻找最优解。

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