3 . the effects of every flapping control parameters on the aerodynamic characteristics of flapping wing are investigated . its results lay a foundation for the further investigations of flapping wing micro air vehicles 3 、研究了运动各参数对扑翼的气动特性的影响，为扑翼微型飞机的进一步研究设计打下了基础。
3 . taking use of wing - fuselage fusion lifting body design technology , which not only achieves good aerodynamic characteristic , but also is good to stealth and agility to system arrange . 4 采用翼身全融合?升力体设计技术，不仅获得了优越的气动性能，而且也将对隐身性能带来好处，为总体布置和装载带来极大的灵活性。
The results are compared with that of a typical common car under same testing conditions , which show that the new concept car has better aerodynamic characteristics than common car due to its ideal streamlined body 通过和同等试验条件下典型汽车的气动性能对比，由于新概念车良好的外部流线，其气动性能明显优于典型汽车。
Force measurement in a low speed wind tunnel was conducted to investigate the effects of the height of a distant canard wing on the longitudinal aerodynamic characteristics of a forward - swept configuration 摘要基于前掠翼鸭式前翼布局的风洞测力实验，分析了距离主机翼较远的鸭翼相对于主机翼的高度对布局纵向气动性能的影响。
Combined with blade element theory , the results can be used to evaluate aerodynamic characteristics of flapping wings , which are helpful for the initial design of micro rotary and flapping wing 运用本文方法分析了各参数对翼型气动特性的影响，进一步结合叶素理论还可以估算扑翼的气动特性，进而指导微旋翼或扑翼微型飞行器的初期设计。
Attenuates slower than the c . e . , when the wing fly high enough , the c . e . is the main effect to the aerodynamic characteristics . 3 . the larger the chord , the stronger the c . e . and w . e 飞行高度较低时，波动效应和曲壁面效应对机翼的气动力都会产生很大的影响，两者之间存在较强的藕合效果;但是飞行高度较高时，综合的结果主要体现了波动效应的特征。
And the main parameter model is also constructed using neural networks . neural networks is used to identify the aerodynamic characteristic of the missile . the effectiveness of neural identification is verified by simulation study 针对导弹这样复杂非线性的系统建立了bp网络自适应辨识模型，气动特性bp网络辨识模型，及主导变量的bp网络软测量模型。
The effect of the number of grid , liquid water content ( lwc ) , median volumetric diameter ( mvd ) and ice layer time step on ultimate ice shape is analyzed , the aerodynamic characteristics of the iced airfoil is analyzed simply , too 分析了网格数、空气液态水含量、水滴当量体积直径和冰层时间步长对模拟冰形的影响，此外还对结冰翼型的气动特性进行了简要的分析。
In order to research the aerodynamic characteristics of grid fins effected by width to length ratio , the grid fins of three hight to width ratios were adapted in wind tunnel experiments at subsonic , transonic and supersonic speeds 为研究它对栅格翼气动特性的影响规律，本研究采用风洞实验的方法对3种不同格宽翼弦比的栅格翼在亚、跨、超声速3个马赫数下进行了气动特性的研究。
Three models are employed to analyze the aerodynamic characteristics of a wing above sea - wave . those are ( 1 ) curve surface effect ( c . e . ) , ( 2 ) wavy air motion effect ( w . e . ) and the coupled effect a . e 研究了曲壁面效应，波动效应以及壁面和波动综合效应三种影响模式对二维和三维机翼在风浪中飞行时的气动力性能的影响规律，指出了二维和三维机翼气动力特性的共性和区别。
