未知

So this paper proposed joint Kalman filter by incorporating the unknown model parameters into augmented state transition matrix to avoid the special parameter estimation process, which reduced the size of calculation as well as improved the processing gain.

为此，提出将未知参数合并到增广状态矩阵的联合卡尔曼滤波方法，避免了专门的参数估计过程，在提高增益性能的同时有效降低了计算量。

Caesar Augustus was on the throne in Rome for the sake of the unknown baby in its manger.

奥古斯都恺撒是对的宝座，在罗马为求未知的婴儿在其马槽。

In autoregression models, when the parameter from GED is known, adaptive rejection sampling method is used to estimate parameters; when the parameter from GED is unknown, we have to decide a range, also use the same method to give a reasonable estimate of the parameters.

在自回归模型中，GED分布的参数已知的情况下，基于似然函数的形式用拒绝抽样方法估计自回归系数；GED分布的参数未知时，我们给定参数的范围，用拒绝抽样方法寻找自回归系数合理的估计值。

The ordered weighted averaging operator is extended to accommodate uncertain condition where all input arguments take the forms of trapezoidal fuzzy numbers.

研究了属性权重信息完全未知、属性值以梯形模糊数形式给出的多属性决策问题，给出了梯形模糊数决策矩阵的规范化公式。

We utilize the interval-valued intuitionistic fuzzy weighted arithmetic averaging operator to aggregate the interval-valued intuitionistic fuzzy information corresponding to each alternative, and then rank the alternatives and select the most desirable one according to the score function and accuracy function.

然后对权重信息未知的区间直觉模糊数的多属性决策方法进行了研究，给出了一个基于最大偏差的目标规划模型，从而获得相应的属性权重，基于IIWAA算子对区间直觉模糊数信息进行集结，进而根据得分函数和精确函数对方案进行排序。

The linear relationship between paternity index and avuncular index is exhibited.

当母亲的DNA未知时，可证明孩子的3种母系亲属的DNA在亲子鉴定中的作用是相同的，并得到计算相应父权指数的一般公式，以及检测或未检测母亲DNA时计算父权指数的一般公式，其中，对立假设既可以取"疑父是一随机男子"，也可以取"疑父是孩子的一位父系亲属"；同时还证明了叔伯系数与父权指数之间的线性关系。

What's holding yourself back is only a matter of principles, and your fear of the unknown.

阻碍你的只不过是你的原则，和你对未知的恐惧。

The conditions for a bridge balance must be fulfilled in order to balance the bridge circuit necessary for a measurement of the unknown element.Many technical school laboratories have such various types of bridges set up to teach bridge theory.

测量未知元件必须满足使电桥电路达到平衡所需的平衡条件，许多技术学校实验室具有这样一些不同类型的电桥，用于讲授电桥原理。

For the beam buckling problem, this paper presents the Barycentric Lagrange interpolation collocation method to get the differentiation Matrix of unknown function.

采用重心Lagrange插值多项式建立未知函数的微分矩阵，采用配点法将梁的控制方程表示为代数方程组。

Approximating unknown function by barycentric Lagrange interpolation which has advantages of higher precision and good numerical stability, the barycentric interpolation collocation method for analyzing deformation and buckling load of ring is presented.

采用数值稳定性好、计算精度高的重心Lagrange插值近似未知函数，提出数值分析圆环变形和临界载荷的重心插值配点法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。