| 1. | The paper introduces several algorithms of terrain matching system and makes simulation study on the condition of terrain following / terrain avoidance
该文研究了在地形跟随地形回避( tf ta )条件下的几种地形匹配算法。 |
| 2. | This paper mainly studies the algorithm of the terrain following / terrain avoidance / threat avoidance trajectory programming technology and its realization in vxworks
本文针对地形跟踪地形回避威胁回避的航迹规划技术算法及其在vxworks中实现进行研究。 |
| 3. | It discusses data storage format and the conception of threat model , which can add the threat to digital map that can transform the threat avoidance to terrain avoidance
讨论了数字地图数据的存储格式。提出了威胁模型的概念，并且把威胁叠加到数字地图中，把威胁回避转化为地形回避来处理。 |
| 4. | The simulation and comparison results are provided . 3 . design of the control laws for an automatic terrain avoidance the pi and fuzzy control laws are designed for the terrain avoidance flight control system
地形回避飞行控制律设计对飞机侧向模态设计了pi控制律与模糊控制律，并且做了仿真比较与鲁棒性验证。 |
| 5. | The integration of terrain following / terrain avoidance / threat avoidance is a new technique for the aircrafts to achieve low altitude penetration flight . and the trajectory programming technology is the important base of the design of control laws
综合地形跟踪地形回避威胁回避是新一代低空突防飞行的关键技术，其中的航迹规划技术是飞行器低空突防飞行控制律设计的重要依据，通过对航迹的规划，使得飞行器紧贴地形轮廓安全飞行。 |
| 6. | In the course of the design of trajectory optimization , we adopt the improved adaptive genetic algorithm . first , the route planning problem is converted into the restricted short - cut problem and dijkstra algorithm is used to get the rough optimized trajectory which makes terrain avoidance and threat avoidance effectively . then , the adaptive genetic algorithm is used to optimize the reference trajectory
对于航迹优化问题，采用了改进自适应遗传算法，首先把航迹规划问题转化为受约束的最短路径问题，并采用狄克斯特拉算法得到可以进行地形回避和威胁回避的粗略优化路径，然后利用改进的自适应遗传算法对粗略优化路径进行优化，得到优化航迹。 |
| 7. | So the conception of los ( light of sign ) is introduced into the equivalent treatment of treat avoidance in order to take account of terrain - shiled affection . finally , a new genetic algorithm is developed in this paper . three new arithmetic operators which are introduced into the algorithm are recording better , restoration and reconstruction . what ' s more , the known arithmetic operators are also improved in order to expand searching scope
因此在对威胁回避的等效处理上，本文引进了los (视线)概念进行地形可视概率计算，把威胁回避等效为地形回避，然后把等效地形数据离散化叠加到原先的地形高程数据中，这样就充分地考虑了地形的屏蔽作用。 |
