制导问题 meaning in English

guidance problem

For the finite propulsion reentry guidance , the conventional closed - thruster equation based on open - loop control loses its way
摘要解决有限推力模型的再入飞行器初制导问题，利用传统开环控制的关机方程达不到要求的精度。
In the paper , it solve the problem of mobile launch vehicle ' s guidance , it can ensure the orbit injection ' s accuracy of launch vehicle , the researches have some theoretical meaning and some value of engineering application
6 、分析了数字仿真结果误差，提出了改进制导精度的方法。本文研究对于解决运载火箭机动发射中的制导问题、保证火箭准确入轨有一定的理论意义和工程实用价值。
This dissertation studies the problem of dynamics modeling , dynamical response , and distribution of moving mass for a re - entry vehicle ( mmcrv ) under the background of national natural science fund project “ precision control and guidance for moving mass control of a re - entry vehicle based on the virtual displacement concept ”
本论文以国家自然科学基金项目“基于虚位移概念的变质心再入飞行器精确制导问题研究”为背景,研究基于变质心控制的再入体动力学建模、动力学响应和落点分布等问题。