差分方程

To reduce the operation time and to improve the response characteristic of the sensor, a method of converting difference equation to recursive arithmetic was adopted.

为了减小运算时间，改善传感器的响应特性，给出了一种将滤波器的差分方程变成递推运算的方法。

We estimate the parameter with least square method according to the difference equation

我们根据差分方程用最小二乘法来估计参数。

It was showed that the Richards polymorphic site index model could be directly derived by using the difference equation.

研究发现：利用差分方程途径可以直接推导出全新的Richards多形地位指数模型。

The initial population size is studied based on the defined partial function, favor and back difference equations, and the schema theorem.

该文研究二进制和自然数编码遗传算法的群体规模，结合偏好函数和模式定理，利用前向及后向差分方程，得到这2种编码的群体规模下限值，证明其存在性。

The cobweb model that basically debated price wave motion respectively in the light of different situation, differential kinetic model and difference distribute equation model.

主要针对不同情况分别讨论了价格波动的蛛网模型、微分动力学模型及差分方程模型。

The unified differential equation of structure vibration and control systems is studied in the paper.

本文研究了结构振动及其控制系统差分方程统一模式的建立问题。

This method can be used to analyze the dispersive characteristic of arbitrary mode SWS with arbitrary boundary in theory.

论文首先在直角坐标系下，给出了FDTD差分方程和周期性边界条件的具体形式，并编写程序，分析了周期性加载金属片矩形波导的色散特性。

Under suit upper and lower solution, iteration sequences were constructed, and existence and unique of solutions of linear boundary value problems on second order nonlinear Hammerstein type integro-differential-difference equation were obtained by means of applying the Arzela-Ascoli theorem Lebesque control convergence theorem and disproof method.

在上下解存在的条件下，构造迭代序列，由Arzea-Ascoli定理和Lebesque控制收敛定理得到了二阶非线性Hammerstein型积分微分差分方程的线性边值问题的解的存在性。再利用反证法获得了解的唯一性。

Finally, there is an appendix about differential equations in elasticity theory in the application.

最后有一附录，讲述差分方程在弹性理论中的应用。

Then we prove the existence of positive solutions for difference equations by using fixed point theorem of cone expansion and compression.

另外，对非线性项具有混合单调性的情况，利用不动点指数性质及锥压缩与拉伸不动点定理等方法，得到了差分方程一个正解的存在性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。