如果阵列的互阻抗(或互耦系数)矩阵确知,理论上可以精确补偿互耦的影响,从而实现极低副瓣接收。
If the mutual impedance or mutual coefficient matrix of an array is perfectly known, one can completely compensate the effect of mutual coupling and realize the desired low sidelobe level in theory.
鉴于酉空时码的独特结构,在差错概率公式中可以很容易地分析衰落相关系数矩阵带来的影响。
According to the special structure of unitary code, it is very simple to analyze the effect of fading correlation from the equation of PWEP.
采用螺旋理论,首先分别建立了3 -UPU并联角台机构在初始位形下和沿x轴方向发生移动后的一阶影响系数矩阵。
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.
建立了主进给机构的封闭形式的运动学方程,导出了一、二阶运动影响系数矩阵。
Closed form kinematic equations of main feed mechanism are established, one and two order effect coefficient matrixs are derived.
推导了轴对称线性三角形元的影响系数矩阵和输入向量公式;
The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived.
以其解析式作为形函数,利用刚度系数的定义,推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
在初参数方程的求解中,利用了初参数影响系数矩阵。
The influence coefficient matrixes of initial parameter are used for the solutions of the initial parameter equations.
利用一、二阶影响系数矩阵分析速度和加速度。
Velocity and acceleration are analysised with frist and second-order effect coefficient matrix.
讨论了线性规划模型中,消耗系数矩阵a中某个基变量或某个约束方程的系数向量变化以及增减约束方程时,对最优基、最优解、目标函数值和影子价格的影响。
The paper discuss the effect exerting on objective function, optimum solution and shadow price in LP when consumption coefficient matrix a change and a inequality constraint is increased or decreased.
利用级数展开和线性叠加原理,本文给出了一种求取弹性坝面动水压力影响系数矩阵的数值算法。
A method is set forth to calculate the hydrodynamic pressure influence matrix of elastic dam using series development and linear superposition theorem in this paper.
利用级数展开和线性叠加原理,本文给出了一种求取弹性坝面动水压力影响系数矩阵的数值算法。
A method is set forth to calculate the hydrodynamic pressure influence matrix of elastic dam using series development and linear superposition theorem in this paper.
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