With dynamic optical theory, the image motion compensating group formula of the zoom optical system is derived, and the trace curve of the image motion compensating group is plotted.
首先应用动态光学理论推导出变焦光学系统的像移补偿组公式，从而得到像移补偿组的轨迹曲线。
2
To apply theory of dynamic optics, it indicates the moving curve resolution type of the zoom group versus the compensating group.
应用动态光学理论给出了变倍组、补偿组的变焦运动曲线解析式。
3
At the same time, the value of the compensating capacitance, the switching threshold and the character curve of the motor are calculated.