姿态随动稳定跟踪天线平台的控制算法，采用位置前馈、速度和位置反馈控制。
The control algorithm of attitude follow-up stabilization and tracking antenna platform adopts position feed-forward control, speed control and position feedback control.
导出了二维浅水流动的涡动方程与速度环量的随体导数表达式，以此为基础，分析了二维浅水流动中旋涡的动力学性质；
The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.
在系统的动态过程中，利用模糊控制的快速响应能力保证位置随动系统具有较快的动态响应速度；
The fuzzy control is used to ensure the dynamic response speed of the position servo system, and the integral control is used to ensure its steady-state performance.
振幅、相位、进动角速度在过临界后的波动频率随转速增加而增加。
The minimum and maximum of amplitude fluctuation correspond with the minimum of precession speed after the critical point on the response curve.
由于动校正速度是随偏移距变化而变化的，而常规速度分析并没有考虑这一因素，动校正效果往往不是很理想，从而影响资料的叠加和成像效果。
The conventional velocity analysis does not consider the influence of the NMO velocity varying with offset, making the results not ideal, leading to a poor stacking and migration imaging.
由于动校正速度是随偏移距变化而变化的，而常规速度分析并没有考虑这一因素，动校正效果往往不是很理想，从而影响资料的叠加和成像效果。
The conventional velocity analysis does not consider the influence of the NMO velocity varying with offset, making the results not ideal, leading to a poor stacking and migration imaging.
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