The result shows that the unstable mode could not be changed into a stable one by using the bank Angle feedback control.
结果表明，按滚转角对飞机进行反馈控制时，不能使该不稳定模态变为稳定模态。
Fin stabilizer is one of the most important effective ship roll reducing equipments, which has many defects in the classical Angle feedback system.
减摇鳍是一种非常重要的船舶减摇装置，但传统的鳍角反馈减摇鳍在设计中存在着很多问题。
Properly rebuild the experiment formwork of lift-feedback fin stabilizer system on the base of original angle-feedback fin stabilizer system.
在原来角度反馈减摇鳍系统的基础上，通过适当的改造建立升力反馈减摇鳍系统的实验台架。
Most of the fin stabilizers we use now are angle-feedback system, whose control torque is gotten by the calculation of fin Angle.
目前使用的绝大多数减摇鳍都是角度反馈系统，它通过鳍的转角来计算控制力矩。
Most of the fin stabilizers we use now are angle-feedback system, whose control torque is gotten by the calculation of fin Angle.
目前使用的绝大多数减摇鳍都是角度反馈系统，它通过鳍的转角来计算控制力矩。
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