Fourthly , we discuss and simulate the transformation method of relative parameters of ground target based on data link . and then we analyze decision algorithm of air - to - ground attack . especially , we educe three dimensional terminal guidance law of air - to - ground missile in the disturbance of wind , and give the simulation result 本文也研究了空对地攻击的若干技术,包括对获得数据链指挥下地面目标相对于某攻击机当前时刻相关参数的方法进行了阐述及仿真,并在此基础上讨论了单机对地面多个目标的攻击决策算法,同时提出了一种风干扰下空地导弹的三维末制导导引律,且利用数字仿真进行了验证,并指出研究空地导弹导引律时考虑风影响的必要性。
Then according to system simulation technology , the overall air - to - ground attack simulation plan is made with the thought of models and layers . after that , the mathematical models of main parts in the simulation are made such as aircraft body , propulsive system , flight control system , fire control system , bomb and air - to - ground missile . on the basis of these mathematical models , using the object - oriented design methodology , a set of air - to - ground attack real - time visual simulation software is developed . this software can be used to aid aircraft design , research of air - to - ground attack tactics and flight training 本文首先介绍了现代战争中空对地攻击的技术装备及其特点，计算机仿真技术的发展以及面向对象的软件设计思想；而后使用系统仿真技术，依据分层、模块化设计思想，制定了空对地攻击仿真系统总体设计方案；之后根据目前技术状况，建立了战斗机机体、推进系统、飞控系统、火控系统、航空炸弹、空地导弹等子系统数学模型；在此基础上，利用面向对象的软件设计思想，在基于pc的平台上开发了一套对地攻击视景仿真软件，实现了战斗机对地攻击实时视景仿真。
Abstract : based on optimal control theory and singularly perturbed theory , a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed . this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method , minimum energy cruising phase control and minimum energy switching phase control . moreover , a new control logic is designed in order to remove influence of climbing control on switching phase . simulation results of a certain type of air - to - ground missile are presents . it is shown that , with simple control algorithm and feasible onboard implementation , this law not only guarantees air - to - ground missiles to ascent quickly , but also satisfies the requirements of midcourse phases . the studies have important theoretical meaning and great value of engineering application 文摘:为满足实际作战的要求，基于最优控制理论和奇异摄动方法，提出了一种可保证中远程空地导弹快速爬升到最优高度的中制导律.它由变系数最优爬升控制，最小能量巡航控制和最小能量下滑控制组成.为了减小爬升段控制对下滑段的影响，提出了一种新的控制逻辑.最后针对某型空地导弹进行了仿真.结果表明，该中制导律较好地满足了中远程空地导弹在中制导段的要求.本文的研究结果具有较好地工程参考价值
