以下为句子列表：
英文: A kind of arithmetic of recursive least squares (RLS) method with forgetting factor combined with model matching of zero frequency was adopted to identify the object online.
中文: 采用了带遗忘因子的递推最小二乘和基于零频率的模型匹配的联合辨识算法对空调系统进行在线辨识。
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英文: A mathematical method for optimum fitting the measured lift data of the non-symmetrical cam profile by using the least squares and the floating orthogonal lattice algorithm is presented.
中文: 本文采用最小二乘法和浮动正交网格法对非对称型配气凸轮的实测升程数据进行了优化数学拟合。
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英文: A new computational formula to nonlinear adjustment by parameters, in consideration of the second-order terms, is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process a
中文: 在分析线性化的非线性参数平差的近似直接解法与迭代解法基础上，利用非线性最小二乘的精确正交性条件方程，推导出顾及到二次项的非线性参数平差的一种新的计算公式。
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英文: Abstract: A new method based on the total least squares is proposed for sinusoidal retrieval.
中文: 文摘:本文提出了一种提取噪声中正弦信号的总体最小二乘方法。
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英文: Abstract: The generalized shrunken prediction of finite population is introduced,using generalized shrunken least squares estimator of linear regression models.With respect to prediction mean squared error,a necessary and sufficient condition for superior
中文: 文摘:利用线性回归模型的广义压缩最小二乘估计，引入了有限总体的广义压缩型预测，在预测均方误差意义下，得到了广义压缩型预测优于最佳线性无偏预测的一个充分必要条件；在只能得到每个个体指标的线性组合时，引入了一种线性约束型预测，并得到了线性约束型预测优于最佳线性无偏预测的一个充分必要条件.
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