直线倒立摆控制系统源程序，适用于固高4轴运动控制卡，是学习实时控制的，算法在运动控制卡上实现的例程。-The line inverted pendulum control system source code, suitable for solid high 4-axis motion control card, learn the real-time control algorithm routine motion control card.

A 2D 4.65μm*4.65μm photonic crystal structure with a central point defect consists of an 7 ∗ 7 array of silicon(refractive index n=3.4)squares having 0.15μm as the width of each side with the horizontal(y-axis direction)and vertical(x-axis d