浅谈科学计算可视化在教育领域的应用

通过对科学计算可视化技术的分析，探讨了科学计算可视化应用于教育的机理和方法。并给出了具体的应用实例。     

A non-commutative time-frequency tomography

The characterization of non-stationary signal requires joint time and frequency information. However, time and frequency are a pair of non-commuting variables that cannot constitute a joint probability density in the time-frequency plane. The time-frequency distributions have difficult interpretation problems arising from negative and complex values or spurious components. In this paper, we get time-frequency information from the marginal distributions in rotated directions in the time-frequency plane. The rigorous probability interpretation of the marginal distributions is without any ambiguities. This time-frequency transformation is similar to the computerized axial tomography (CT or CAT) and is applied to signal analysis and signal detection and reveals a lot of advantages especially in the signal detection of the low signal/noise (S/N).     

Conflict Pattern Analysis: Preparing the Ground for Participation in Policy Implementation

The participation of non-state actors in implementation processes is often understood as a means to increase compliance efficiency. But the implementation of spatial policies frequently focuses on pre-established goals, processes and instruments and thus renders difficult open discourse and shared decision-making. This paper introduces conflict pattern analysis (CPA) as a tool that supports the analysis of the actual actor constellation in order to define efficient approaches that avoid common problems of participatory processes. CPA is a semi-formalised method that helps to identify key-actors, their relations and interaction amongst each other as well as their core beliefs, interests and resources. It aggregates this information to interaction patterns that can be compared, classified and linked to different participatory methods on a theoretically informed basis. Particularly on the local and regional level, this could be the first step for successful (participatory) implementation strategies.     

软土地基的处置及材料选择

就软土地基承压能力较低,对如何处置以适应公路工程的需要是工程设计及施工人员面临的重要问题进行了论述.     

ROLE OF α-PSEUDO-UNIVEX FUNCTIONS IN VECTOR VARIATIONAL-LIKE INEQUALITY PROBLEMS

In this paper, we introduce a new class of generalized convex function, namely, a-pseudounivex function, by combining the concepts of pseudo-univex and α-invex functions. Further, we establish some relationships between vector variational-like inequality problems and vector optimization problems under the assumptions of α-pseudo-univex functions. Results obtained in this paper present a refinement and improvement of previously known results.     

健康医院环境初探

文章提出健康医院环境的理念,对健康医院环境内涵以及健康医院环境的评价框架作了详细论述.健康医院环境概念是医院建筑设计现在和未来的基本理念,并且将随着时代的进步,不断发展完善,以使我国的医院建筑走向现代化.     

两个动能耦合Morse振子系统的分岔现象

从两个未耦合的Morse振子出发,首先研究了两个动能耦合的Morse振子系统局域模区域内的分岔结构.发现对弱耦合参数δ,相空间中局域模谐振nm共存与系统能量ε通过不等式 √1/1-ε≥n/m≥√1- ε相关联.同时报导了对称伸缩本征模的分岔现象与能量及耦合常数的关系.在弱耦合参数δ下,在非常低的能量区域内,对称伸缩经历一个pitch-fork分岔.随后,局域模随能量的增加逐渐形成.对中等高能量ε,对称伸缩本征征模在耦合参数范围[-1,0]内由不稳定到稳定到不稳定等交替变化.     

非水溶性光致聚合物在软片基底上的应用研究

本文将一种非水溶性光致聚合物涂布在软片基底上,用匹配液将其固定在玻璃片上用来拍摄反射式全息图,衍射效率高,得到很好的图象效果,并对软片全息图的拍摄条件和保存条件进行了研究.     

A theoretical model for mid-and low-latitude ionospheric electric fields in realistic geomagnetic fields

The geomagnetic fields, which play important roles in the ionospheric dynamo, can greatly affect the global distribution of ionospheric electric fields, currents and other ionospheric electrodynamics phenomena. In the study of ionospheric electrodynamics phenomena, such as the longitudinal variations of ionospheric electric fields, the non-dipolar component of the geomagnetic fields must be taken into account. In this paper, we deduce a theoretical electric field model for ionospheric dynamo at mid- and low-latitude which adopt a modified magnetic apex coordinates system. In the new electric field model, the geomagnetic fields can be calculated from either the IGRF model or the dipole field model, and the neutral winds and conductivities are calculated based on empirical models. Then the dynamo equation for the electric potential is finally solved in terms of the line-by-line iteration method, and the ionospheric electric fields and currents are derived from the calculated potential. Our model can reproduce the main features of the ionospheric electrodynamics processes, so it will be a useful tool for the investigation of the upper atmosphere and ionosphere.     

新农村建设与风景区协调发展关系研究——以贵州从江风景区名胜区为例

村庄作业我国行政体系中最基本的社会单位,广泛存在于风景名胜区范围内。通过对贵州从江风景名胜区规划、建设的调查和总结,对新农村建设与风景名胜区协调发展之路进行了探讨。