Lattice systems and nonlinear wave equations are two kinds of very important infinite dimensional dynamical systems.
格点系统与非线性波动方程是两类很重要的无穷维系统。
The effect resistance between two arbitrary nodes in an infinite square lattice with two binds resistors is calculated using the finite Fourier transformation.
应用有限傅立叶变换，导出两套不同阻值电阻组成的平面正方形无限网络任意两节点间等效电阻的积分表达式。
The boundary coupling effect leads to physical pictures of phonons different from those in infinite lattice.
只能按空间型将声子分类。数字计算表明共价结构性质的加强可导致出现边界耦合软模。
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