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。
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。
At the same time, the value of the compensating capacitance, the switching threshold and the character curve of the motor are calculated.
同时计算了补偿电容值、切换阈值以及电动机的特性曲线。
The curve abnormity extent with compensating current is larger than the extent without compensating current;
存在补偿电流的曲线异常幅度大于无补偿电流的异常幅度；
The results show that pressure-compensating emitters have an optimal pressure range, in which the flow exponent is comparatively small and the water characteristic curve is smooth.
结果表明：压力补偿式灌水器存在最优压力区间，在此区间内灌水器流态指数较小、水力特征曲线平滑；
The results show that pressure-compensating emitters have an optimal pressure range, in which the flow exponent is comparatively small and the water characteristic curve is smooth.
结果表明：压力补偿式灌水器存在最优压力区间，在此区间内灌水器流态指数较小、水力特征曲线平滑；
应用推荐