In the classical theory of self-tuning regulators,it always requires that the conditional variances of the systems noise......

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Weighting model is the only valuation model of life cycle impact assessment(LCIA) profile now.It simplifies evaluation f......

用半解析摄动加权残值法求解扁壳非线性弯曲问题,并采用5次B样条函数作为试函数. 探究一种有效处理扁壳非线性弯曲问题的方法. 用......

为确定三维织造复合材料预制体的纤维体积含量,建立四边形和三角形预制体的细观结构模型,将预制体划分为内胞、边胞、角胞等单胞形......