查询词典 formula of computation

Proposed a new minimum variance PIC detector for synchronous CDMA system, proposed the formula for the computation of the weighting factor which minimizes the variance of output variable and prove that it locates in the range of (0, 1), functions of the expectation, variance and bit error rate are proposed as well.

提出了一种同步长码CDMA系统中的最小方差并行干扰消除检测器，提出了最小化输出方差的加权系数的计算公式，证明了该系数必定落在(0，1)区间之内，同时提出了该检测器的均值、方差和误码率公式。

Based on the Hoek-Brown nonlinear strength criterion and simple Bishop's method, a new computation formula of stability safety factor for the broken jointed rock slope is presented.

基于Hoek-Brown非线性经验强度准则和简化Bishop法，导出了节理破碎岩体边坡新的稳定性系数计算公式。

Through carrying out force bearing analysis on the spring ring and utilizing the correlated theory of mechanics of materials,the relationship between bending moment and bending angle was derived while the spring was subjected to the action of bending moment.The computation formula of bending angle of spring was obtained,and an optimization was carried out on the parameters.

同时，对密圈圆柱螺旋弹簧的弯曲刚度和横向刚度的计算也有一定的研究，以往的普遍研究方法是将整个弹簧等效为一等截面的弹性圆柱体，基于普通弹性理论的方法导出了弹簧的弯曲刚度和横向刚度的计算公式，具有较大的误差[1，2]。

In order to modify the disadvantage of the existing method for computing the landslide thrust that is not applicable for larger scope, 5 types of the slip surfaces have been given with the computation formula of landslide thrust respectively.

针对现有滑坡推力计算方法单一、适用性差的特点，将常见的各种类型滑坡按滑动面形式分为5种类型，根据滑坡稳定分析中各极限平衡法的适用条件，分别给出了这5种滑动面形式的滑坡推力计算表达式。

Based on the theory of fracture mechanics and the principle of structural reliability analysis,a computation formula of the fatigue failure of suspension cable system in a suspension bridge caused by alternate stress is deduced,thus an evaluation method on the safety life of suspension cable system which has been subjected to eroding is suggested,according to which,highway administration departments can arrange the opportunity of detection,maintenance and strengthening of bridges,as well as the investment.

根据断裂力学理论和结构系统可靠性分析原理，推导出交变应力引起的悬索桥吊索系统疲劳失效的计算公式，从而提出的一种考虑构件腐蚀后吊索系统安全寿命的评估方法，可以为公路管理部门合理安排桥梁的检测、维修、加固的时机和投资提供依据。

In this paper the gas-liquid transient flow caused by emptying of surge tank is studied.The formula for computation of the air discharge from a surge tank into the down stream pressurized pipeline is proposed.

本文以水电站瞬变过程中调压室漏空压力钢管中的气液两相流作为研究对象，在模型实验的基础上，探讨了气泡对管道水压变化的影响及其数学描述。

In the Culmann analysis method, the assumption that the soil failure is in the mode of sliding along a plane is adopted; however only one force equilibrium equation along some special direction is utilized to derive the computation formula of earth pressure.

在Culmann分析方法中，沿用了Coulomb土压力理论关于平面滑动破坏的假定，而在推导土压力计算公式的过程中，仅利用了滑动体沿某一特定方向的一个力的平衡方程。

To seek new infinite sequence exact solutions to nonlinear evolution equationsNEE(s, the formula of nonlinear superposition of the solutions of the second kind of elliptic equation are given, infinite sequence exact solutions to combined KdV with varible coefficients and forcible term is constructed with the aid of symbolic computation system Mathematica, which include Jacobi-like elliptic function solutions, infinite sequence soliton-like solutions and infinite sequence triangular function solutions.

为了获得变系数非线性发展方程的无穷序列精确解，给出第二种椭圆方程解的非线性叠加公式，借助符号计算系统Mathematica构造了带强迫项变系数组合KdV方程的无穷序列精确解。这里包括无穷序列类Jacobi椭圆函数解、无穷序列类孤子解和无穷序列三角函数解。

These constructional methods can be used to treat many problems, the numerical results show that the given interval extension has smaller excessive width relative to the range of the functions over a domain. For univariate differentiable functions, the definition of interval slope is extended from the first order to high order according to their differentiability, and iterative formula of high-order interval slope computation is also developed.

对多元函数，在不要求函数的可微性及有关Lipschitz常数的条件下，给出了分量函数区间展开的斜率算术运算规则；利用函数局部凸或凹的运算特点，通过递归计算建立了多元函数区间扩张的构造方法。

Starting from the sampling theorem,the fast Fourier transform computation of angular spectrum diffraction formula and its inverse operation are studied.

从取样定理出发，对角谱衍射公式及逆运算的快速傅里叶变换进行了研究。

The Master of Science degree program in Economics features a curriculum that is flexibl...

在经济学理学硕士学位的课程计划的特点是灵活而全面的方法，在理论和应用课程培训工作。

This module is used for constructing and visualizing 3D models.

该模块是用于建设和可视化的三维模型。