| 1. | Investigation into arc windshield of aircraft subjected to bird impact 飞机圆弧风挡的抗鸟撞击问题研究 |
| 2. | Test method for bird impact testing of aerospace transparent enclosures 航空航天透明外壳撞鸟试验的试验方法 |
| 3. | When an aircraft flies at a high speed in the low altitude , bird impact possibly occurs 飞机在低空、高速飞行时,可能会遇到飞鸟的撞击。 |
| 4. | The first stage compressor or fan blades of aircraft engine may be damaged due to bird impact 鸟与飞机相撞造成的事故给人类带来了巨大的损失。 |
| 5. | But the existing data of bird impact are highly disperse , so that they do less help for the design of windshield and also cost more to experimental work 现有的鸟撞实验数据分散严重,因而对风挡设计的指导作用较低,同时也无形中增加了实验的次数。 |
| 6. | According to all the research of this thesis , an improved and promising project of bird impact experiment combined with the wddf neural network can be suggested , which will be high efficiency 根据已有的研究成果,本文提出了鸟撞实验的改进方案,可以在满足实验测量要求的基础上简化实验过程,提高实验效率。 |
| 7. | Also the network shows many advantages of high training efficiency , robustness and anti - jamming energy , as well as the extensive applicability to the academic study and practical requirement of bird impact issue 网络训练过程平稳、训练效率高,同时具有较高的抗干扰能力,完全可以满足鸟撞问题工程与理论研究要求。 |
| 8. | With the development of the aircraft performance at low altitude and high speed , as well as the marked progress of eco - environmental protection , the issue of bird impact to aircraft has been concerned more and more 随着航空器低空高速性能的发展,以及生态环境保护工程卓有成效的工作,飞行器结构鸟撞问题越来越引起人们的注意。 |
| 9. | In this thesis , a combined method of finite element numerical simulation with neural network is studied to obtain the dynamic response , the impetus forces and impact parameters of windshield during bird impact 本文采用鸟撞实验、有限元数值模拟与神经网络相结合的方法研究鸟撞飞机风挡过程中风挡的响应以及鸟撞实验中撞击力与撞击参数的获得。 |
| 10. | In this study the dynamic response pf a circular arc windshield subjected to bird impact is carried out with experimental investigation and computer simulation in order to meet the need in designing new force aeroplanes 为了解决我国某型军用飞机研制设计的急需,本文从实验和计算机仿真两方面系统地研究了鸟撞飞机圆弧风挡玻璃的动力响应问题。 |