初步设计阶段 meaning in English
concept phase
conceptual phase
preliminary design phase
preliminary design stage
primary design stage
Examples
- The present results reveal that the hydrodynamic model and roll reduction technique developed here can be regard as an efficient tool for naval architects to analyze the ship maneuvering behavior with roll reduction by rudder control in waves at the preliminary design stage
本文所发展的数学模式与减摇方法可用于初步设计阶段，来评估船只在波浪中进行操舵减摇的操纵性能。 - Cadis / monocal program is developed and used by chengdu aircraft design institute . it is a program used in the stage of aircraft preliminary designing and other degnisn stages . this program can do rapid and effective stress anlysis to the aircraft constructure
Cadis monocal程序是成都飞机设计研究所自主版权的软件，它是飞机初步设计阶段以及其它设计阶段，对半硬壳式(或桁梁式)结构进行快速而有效应力分析的一个程序。 - Beijing spectrometer ( besiii ) , the national major project at the institute of high energy physics is approved and now the relative r & d and preliminary designing are undergoing . the trigger system of besiii is one of the most important parts of the real - time data acquisition ( daq ) system of besiii , which must be studied and tested carefully before the final design
国家重点工程项目北京谱仪( bes )正处于工程预研制和方案初步设计阶段， bes触发判选系统是谱仪实时数据获取( daq )系统的重要组成部分，而对齐来自谱仪各探测器触发子系统的信号又是触发判选系统判断好事例成败的关键。 - It is very important to estimate the basic parameters in helicopter preliminary design . neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods . however , there are some difficulties in using nn , e . g . , how to select a proper network structure and the number of hidden layers . in this paper , structure and connection weight of a three - layer nn are optimized by genetic algorithm , and the optimized network is applied to helicopter sizing . the proposed method can not only give an optimal nn structure and connection weight , but also reduce the prediction error and has the capability of self - learning when the latest data are available . furthermore , this method can be easily applied to helicopter design systems
在直升机初步设计阶段估算其基本参数是很重要的.神经网络的通用性和精度比传统的估算方法有更多的优势,但是在应用神经网络时存在如何选择合适的网络结构和隐层节点数目等一些困难.应用遗传算法优化三层神经网络结构和连接权重,并将优化得到的网络应用于直升机参数选择中.该方法不但可以给出一个最优的神经网络结构和连接权重,而且降低了估算误差,具有及时应用最新数据学习的能力.此外,该方法易于在直升机设计系统中得到应用