推广了J特征的定义,并证明了一个3水平部分因析设计由它的J特征唯一决定,主要结果是一个显式,它把设计点构成的集合与设计的J特征联系起来,通过这个公式,给出了G2最小低阶混杂的投影证明。
This paper generalizes the definition of J-characteristics and shows that a 3-level factorial design is uniquely determined by its J-characteristics. The main result is an explicit formula which relates the set of design points to that of J-characteristics. Through this formula, projection justification of minimum G2-aberration is established.