查询词典 difference equation

According to theorems of momentum and moment of momentum and helmholtzs equation, motion quations of the tethered system are obtained.

根据动量定理、动量矩定理和Helmholtz方程建立了系统动力学方程。

According to the moment of momentum conservation and force-balance, the algebraic equation is obtained to seek the solution of the orbital parameter s of the system after deployment and cut-off.

根据动量矩守恒和力平衡方程得到一代数方程，用于求解系统展开及剪断后的轨道参数。

Using the basic dynamic equation of rotary non-inertial system, the basic law of object s movement in the reference system of rotating about fixed axis , and the conditions of momentum conservation and conservation of momentum moment of objects are educed.

利用旋转非惯性系中的基本动力学方程，导出在定轴旋转参照系中物体运动的基本规律，以及物体动量守恒和动量矩守恒的条件。

By using the theorem of moment of momentum with respect to the mass center, the ship motion is devided into translation and rotation respect to the ship mass center, and the six-degree-freedom nonlinear equation can be deduced based on the exactly analysing the force acting on the ship.

基於刚体运动学理论，将船舶在波浪中的运动分解为平动和绕质心的转动，在分析了船舶受力情况的基础上，运用质点系相对於质心的动量矩定理和Newton第二运动定律建立了船舶的六自由度运动的非线性藕合方程。

This procedure for the electric field integral equation cylindrical scattering, Method of Moments important for the basic procedures.

详细说明：本程序用于电场积分方程求解圆柱散射，为矩量法重要的基本程序。

By using the method of moments ,the integral equation can be discretized into matrix form.

建立起反演积分方程，将积分方程离散化为矩阵方程，用迭代方法求解目标区电导率分布。

In chapter 4, we investigated the behavior of wave in a nonlinear monatomic chain with damping. Parameter dissipation nonlinear Schrodinger equation of lattice dynamics is first obtained. Then we discuss effect of damping on soliton of monatomic chain.

第四章，我们研究弱阻尼作用下非线性单原子链中的波动行为，首次在晶格动力学中得到了参数耗散型非线性Schrodinger方程 oDNLS方程人以及阻尼对单原子链中孤立子的影响。

However, the parent metal's hardness and tempering current state throw a monkey wrench into that equation.

不过，家长金属的硬度和锻炼现状掷入猴扳手，方程。

Then, we set up the double-row monodromy matrix of the Hamiltonian, the transfer matrix and the reflection equation of the system with the help of the scattering matrix and the reflecting matrix.

接着借助量子反散射方法，运用两体散射矩阵和反射矩阵，构造了双行monodromy矩阵、转移矩阵和系统的边界反射方程，从而详细证明了系统的精确可解性。

The monodromy matrix of the closed-loop system is represented as a special form by which the periodic control law can be obtained via the solution to a time-inviant Sylvester matrix equation.

通过将闭环单值性矩阵进行一系列转化，周期输出反馈律的求解问题可以转化为一类Sylvester矩阵方程的求解问题。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。