| 1. | Research progress in mutational effects of aerospace on crop and ground simulation on aerospace environment factors 作物空间诱变效应及其地面模拟研究进展 |
| 2. | The compose of ground simulation device and application in ground simulation device using fault diagnosis expert system are described 实现了基于专家系统推理机制的故障诊断专家系统,给出了实际应用的结果。 |
| 3. | The ground simulation device base d on fault diagnosis expert system for program control fault simulation and data acquisition instrument is introduced 描述了地面模拟设备的组成和应用于故障诊断地面模拟设备的专家系统。 |
| 4. | Recent observations during spaceflight or by ground simulations have both suggested that adaptive alterations in the arterial vasculatures may play a pivotal role in the occurrence of postflight orthostatic intolerance 近年地面模拟研究及航天观察均表明,动脉血管的适应性变化在飞行后立位耐力不良发生中可能起重要作用。 |
| 5. | According to all researches above and practical application , a noncircular surface grinding simulation system , which carries out nc code preprocess and verification simulation , has been developed on the basis of acis and hoops platform 基于以上研究,并结合实际应用,开发出了基于acis和hoops平台的非圆曲面磨削加工仿真系统,实现了对数控代码的预处理和仿真验证。 |
| 6. | According to the definition and expression of the thrust , as well as the condition derived from them , a method of solid rocket ramjet thrust determination and its program are provided on the basis of engine ground simulation test 本文以西北工业大学固体火箭冲压发动机直连式试车台为研究对象,探讨固体火箭冲压发动机地面试验技术。首先,从推力的定义出发,建立了试验中来流空气流量、燃料流量与固体火箭冲压发动机推力之关系。 |
| 7. | The engineering algorithm ( physics optical method ) for numerical simulation of ao effect was also derived , the point - diffusion function obtained can be used to obtain sighting - axis deviation , blurring , jitter and strehl ratio , so that the ground simulation of ao effect can be theoretically feasible 同时推导了气动光学效应数值模拟的工程算法(物理光学法) ,得出的点扩散函数便可得到气动光学效应的视轴偏差、模糊、抖动、 strehi比等,从而使气动光学的地面模拟测试研究在理论上可行。 |
| 8. | This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field , in other words , to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature , turbulent or shock wave flow - field with optical beam propagating through them , so that technology support can be provided for the high - speed interceptor development 本项目就是针对这一瓶颈技术存在的基础性问题:流场介质折射率变化是影响光学传输最直接的因素,即针对光线穿过高温和湍流、激波等复杂流场作定性显示和定量测量问题而开展的气动光学效应地面模拟测试研究工作,为高速拦截弹的发展提供技术基础。 |
| 9. | To improve interceptor ' s tracking & aiming precision , it is necessary to make qualitative analyses and quantitative measurements about the ao effects related to the interceptor ' s seeker in the high speed real gas , and establish a set of ground simulation / test methods to test the ao effects and its calibration mechanism 为了提高拦截弹的跟踪瞄准精度,必须对拦截弹导引头在高速真实气体环境下的气动光学效应进行定性分析和定量测量,并建立能满足气动光学效应与校正机理研究的地面模拟测试方法。 |
| 10. | In this paper , the vacuum thermo - cycling effects and vacuum ultraviolet effects on space inflatable structural materials were analyzed based on a thorough survey over the studies done through flight tests , ground simulation experiments and theoretical research . the main contents of this thesis are as follows : the performance damage effects of thermo - cycling on space inflatable structural fabric carbon fiber reinforced epoxy laminates ( cf / ep ) , aluminized kapton ( al / kapton ) films which used as reflector of space inflatable antenna were investigated by a temperature range of - 120 120 with the vacuum degree 10 - 5 pa which conducted with space environment ground - based simulation facility 本文在对国内外飞行试验、地面模拟试验以及理论研究等所取得的成果调研的基础上,针对空间充气结构材料进行地面模拟真空热循环与真空紫外辐照的研究工作:利用真空热循环地面模拟试验机研究了真空环境( 10 - 5pa )中- 120 120的热循环条件下空间充气支撑结构织物碳纤维增强环氧树脂( cf / ep )层合材料、空间充气展开天线反射面镀铝聚酰亚胺( al / kapton )薄膜的空间环境效应。 |