| 1. | This will help to overcome problems of apparent bimodality caused by the presence of many below-detection-limit values in a data set . 这将有助于克服因数据组中有大量低于捡出限的数值而出双模态性的问题。 |
| 2. | Theoretical study of vibration energy loss in two - coupled - mode system 双模态耦合系统的振动耗能特性研究 |
| 3. | Dual - mode combustion chamber , as the key component of the scramjet , is the most difficult to design 双模态燃烧室是双模态超燃冲压发动机中最关键的部件和设计难点。 |
| 4. | In the introduction the review of the research on a dual - mode scramjet combustor both abroad and domestic is presented and the main work of this paper is also presented briefly 第一章为引言,简要回顾了国内外双模态冲压发动机燃烧室研究的现状,并在结尾介绍了本文的主要工作。 |
| 5. | So experimental study of dual - mode scramjet engines puts higher demands on simulating capability of ground test facilities and measurement technology , and greatly increases test cost and time 因此,双模态冲压发动机的研究对地面设备的试验能力和测量技术提出了更高的要求,也大幅度地增加了试验的周期和费用。 |
| 6. | According to the national hypersonic technology plan , a highly efficient and practical three - dimensional parallel computing software for internal non - equilibrium flowfields of a dual - mode scramjet combustor has been established 根据国家“ 863 ”高超声速技术研究要求,本文建立了一套高效、实用的考虑燃料化学反应的双模态冲压发动机燃烧室流场的三维并行计算软件。 |
| 7. | Introduced in the paper are the research background , collecting system , speech corporand storage structure of a bimodal datebase of the chinese language , which is based on theinternationally adopted mode and embodies the characteristics of the chinese people 介绍了汉语双模态数据库的研究背景、采集系统、语料选择和存储结构.采用国际通用模式,建立具有华人特征的汉语双模态数据库 |
| 8. | In the range of flight mach number mo = 3 ~ 7 , in order to take the advantage of ramjet and scramjet , a fix - shaped dual - mode scramjet , in which both subsonic and supersonic combustion can be obtained , is used for hypersonic vehicle 在飞行马赫数m _ = 3 - 7的范围内,为充分发挥冲压发动机的性能优势,高超声速飞行器采用了既能在亚声速燃烧模态,又能在超声速燃烧模态下工作的固定几何形状的双模态冲压发动机。 |
| 9. | Dual - mode ramjet engine which gathers the advantages of both ramjet and scramjet is a new - style airbreathing propulsion device . it can operate over a wide mach number ranges ( m = 3 - 8 ) . it is of remarkable performance and great potential application for hypersonic vehicle 双模态冲压发动机是综合了亚燃冲压发动机和超燃冲压发动机优势的一种新型的吸气式动力装置,它可以在比较宽广的飞行马赫数范围内工作( m 3 8 ) ,具有良好的工作性能和广阔的应用前景。 |
| 10. | In the paper , firstly , present the formulation and application of proper orthogonal decomposition of covariance and cross - power spectral density matrices are presented in the analysis of wind load effects on structures . then the dynamic response of linear structures subjected to random loads is analyzed by a technique called double modal transformation ( dmt ) that is expressed through a double series whose terms depend on structural and loading modes 本论文中首先通过求相关矩阵和互功率谱密度矩阵特征值问题给出了本征正交分解的公式,并利用pod与结构模态相结合的双模态方法来分析结构的动态响应,主要讨论了截断高阶荷载模态对风致响应的影响。 |