1) aircraft preliminary configuration
飞机总体外形
1.
In this paper, artificial neural networks (ANNs) are applied to the intelligent CAD of aircraft preliminary configuration designs.
将人工神经网络应用于飞机总体外形智能ＣＡＤ中，针对现有方法的局限性，研究了参数神经网络，提出了一种综合考虑影响神经网络学习３个主要因素（权值、激励函数和拓扑结构）的ＷＡＦＳ学习算法，并研究了隶属函数的神经网络表达和基于神经网络的并行推理，给出了有关应用实例。
2) aircraft preliminary configuration design
飞机总体外形设计(APCD)
3) designation of fighter
飞机总体
1.
One is the precision of weapon aiming system which is required by the designation of fighter.
目前,投弹误差存在两种描述方法:飞机总体要求的武器火控系统精度和空中靶试要求的弹着点圆概率误差。
4) aircraft configuration
飞机外形
1.
Parametric design of aircraft configuration using API in CATIA;
基于CATIA二次开发的飞机外形参数化设计
2.
Two key issues concerned in this paper are as follows: (1) geometric description of the joined-wing aircraft configurations with a relatively small number of parameters; (2) development of a code to generate the input file of MGAERO based on these geometric parameters.
实现这一方法的要点有 :(1 )建立一个合理的联结翼飞机外形的参数化几何模型 ;(2 )基于这组参数 ,开发出能自动地生成 CFD软件 (MGAERO)所需输入数据文件的程序。
5) aircraft contour
飞机外形
1.
How to implement the digital technique on the old analogue based aircraft and develop a set of aircraft contour generation mathematical models coving the aircraft contour data used in the present production is a issue requiring for an urgent solution.
如何在以模拟量为协调依据的老飞机上实施数字化技术 ,并在原则上不报废原有工装的情况下 ,建立一套与现行生产所用外形数据协调一致的设计和生产可用的飞机外形数学模型是一个急需解决的问题。
2.
A feature-based model reconstruction strategy of aircraft contours and structural parts is discussed systematically in this article,and the definition of infrastructural surfaces and solid features is given.
探讨了基于特征的飞机外形和结构件反求建模策略,并给出曲面特征和实体特征的定义,该方法支持具有完整特征表达的模型快速重建。
6) airplane configuration part
飞机外形件
1.
A novel approach is studied to fit smooth B-spline patch surfaces by giving an example of the bi-cubic B-spline surface reconstruction for the triangular mesh of the airplane configuration parts.
综合考虑曲面重建时的拟合精度、曲面片拼接处的连续性和曲面的光顺性等因素,以三角网格模型的双三次B样条曲面重建为例,研究了飞机外形件三角网格模型的分片光滑B样条曲面重建方法。
补充资料：变后掠翼飞机(见后掠翼飞机)
变后掠翼飞机(见后掠翼飞机)
swing-wing aircraft
bianhoul位eyi feiii变后掠翼飞机(swing一wing aircran)见后掠翼飞机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条