Structure design is optimized by computer, with three-beam and four column structure; this equipment is simple, economic and useful. 计算机优化结构设计,三梁四柱式结构,简单、经济、实用。
Three-beam synchronous treatment and activation by electron beam are the main features of this device. 三束同步处理和电子束的活化作用是该装置的主要特点。
Various vibration modes for two kinds of simplified models ( three-beam and five-beam) of the same wing have been photographed by means of laser holography. 采用激光全息照相得到了两种简化模型的五阶振型图。
The explanation of Bessel-like beam from axicon with three-beam interference model 用三光束干涉模型解释锥镜产生类贝塞尔光束
Base on this principle, a three-beam holography system is set up. The diffraction efficiency and the quality of the diffraction image are shown to be greatly improved by the auxiliary violet light. 根据此原理,建立了三光束全息光存储系统,在红光记录全息图的同时加入辅助紫光,可以使全息图衍射效率及衍射像的像质得到提高。
The vibration analysis of three-beam and five-beam models for an aero-craft wing beam construction shows that some difference between both their five-order vibration modes occurs and indicates the rigidity difference of both models. 对一个航空梁架结构的两种简化模型(三梁和五梁)的振动分析表明,其五阶振型存在着较大的差别,这表明了模型简化中存在着刚度的差别。
The Real-time Three-beam Lateral Shearing Interferometer 实时三光束横向剪切干涉仪
Study on Crashworthiness of Three-beam Guardrail Structure 三波护栏的耐撞性研究
This paper describes a new theory and the related analysis method of "interference", which are quite different from the traditional Zernike three-beam interferometer. 本文提出了一种与传统的Zernike三光束干涉仪理论不同的新的理论和干涉分析方法。
The methods and systems ( including amplitude division double-beam interference system, three-beam interference system, liquid immersion type deep UV interference system and full automatic interference photolithographic system) for amplitude division maskless laser interference photolithography are studied and compared. 研究和比较了振幅分割无掩模激光干涉光刻方法和系统,包括振幅分割双光束干涉系统、三光束干涉系统、液浸式深紫外干涉系统及全自动干涉光刻系统。
The Research on Optimization of Three-beam Guardrail for Highway 公路三波形梁钢护栏尺寸的优化研究
In the case of three-beam laser interference, both coplanar and non-coplanar incidence conditions are discussed. 在三光束情况下,根据获得图形讨论了光束共面和非共面入射条件。
After three output signal of three-beam array detecting system are integrated into one signal, fractional Fourier transform ( FrFT) is used in feature extraction of integrated output signal and FSVM is utilized in target identification. 将三波束阵列探测系统输出的三个信号融合成一个信号,研究了使用分数阶傅里叶变换实现对融合后输出信号的特征提取,再使用FSVM进行分类的目标识别方法。
So in this article three-beam model is used to simplify the structure of the trimaran, then transfer matrix method is utilized. At last, programming language is compiled. 所以本文采用三梁模型对三体船进行简化,进而做总振动计算。运用迁移矩阵法,并且编制了程序语言。