针对电力保护设备的安全性和可信赖性指标要求，研究了基于多正交窗分析的功率谱估计算法，并从计算量的角度出发对算法进行了改进。
Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper.
为了克服随机噪声对河流水质模型参数估计的干扰，提出了一种水质模型参数的鲁棒估计方法，即基于M -估计的信赖域算法。
In order to overcome the disturbance of noises, a robust identification method of water quality model parameters namely trust region algorithm based on M-estimation is proposed.
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