Using zero field truncation technique the Airy disc or central pattern from Airy patten (or Airy beam) is obtained.
本文用数值模拟证明 Airy光束或 Airy斑 (Airy Pattern)经零场截取后 ,其中央亮斑或 Airy芯(Airy disc)甚至在远场也不会产生新的衍射旁瓣 (在 10 - 3～ 10 - - 6 以下 )。
In this paper,we give a sufficient and necessary condition for the level surfaces with respect to non-degenerate quadratic functions by the usage of the Hessian metric and of a transversal vector field.
本文利用Ｈｅｓｓｉａｎ度量和横截向量场，给出了非退化二次函数的水平曲面的一个充要条件。
The simplified calculation method of section temperature field for concrete columns with steel tubes under fire disaster conditions was studied for convenient practice.
为方便实用,研究了火灾下钢管混凝土柱截面温度场的简化计算方法。
The numeric result showed there would be cut-off mode.
从数值计算结果可以看出弹性介质中圆柱壳存在截止轴向模态 ,而截止模态与弹性介质的刚度和圆柱壳的周向模态有关 ,圆柱壳周围弹性介质的存在增大了圆柱壳的固有频率 。
Thermal Analysis Inside a Furnace and Rebuilding of Secktional Temperature Field of Billet;
工业炉内传热分析与钢坯截面温度场重建
Analysis on Temperature Field of Concrete Filled Steel Tube Arch Rib Due to Solar Radiation
日照作用下钢管混凝土拱肋截面温度场研究
Simplified Calculation Method of Section Temperature Field of Concrete Columns with Steel Tubes
钢管混凝土柱截面温度场的简化计算方法
Influence of Material Models and Boundary Conditions on the Temperature Field of Steel-Concrete Composite Sections
材料模型和边界条件对组合截面温度场的影响
Zone-area calculation method of temperature distribution of I-shaped steel members exposed to fire on three sides
三面受火条件下工字钢截面的温度场分区计算
Experimental research on the temperature field by hydration heat of circular CFST arch bridge
圆截面钢管混凝土拱水化热温度场试验研究
Joint Temperature of Variable Cross-section Portal Rigid Frame under Local Fire
变截面门式刚架梁连接节点在局部火灾下的温度场研究
Study on Temperature Dependence of Ultraviolet Absorption Cross Sections of Ammonia
温度对NH_3气体紫外吸收截面影响研究
On section temperature number simulation of reinforced concrete column after high temperature and its analysis
高温后钢筋混凝土柱截面温度数值模拟与分析
Research on the Pressure and Temperature Numerical Simulation of the Variable-area Gas Well;
变截面气井压力温度预测综合数值模拟
The 500℃ Isothermal Section of The Phase Diagram of Co-Gd-Sb Ternary System;
Co-Gd-Sb三元系合金相图500摄氏度等温截面
The 400℃ Isothermal Section of The Phase Diagram of Ag-Dy-Sb Ternary System;
Ag-Dy-Sb三元系合金相图400摄氏度等温截面
The 500℃ lsothermal Section of The Phase Diagram of TI-AI-DY Ternary System;
Ti-Al-Dy三元系合金相图500摄氏度等温截面
Temperature Dependence of Cross Sections for Energy Transfer Processes of Rb(7S-5D)-H_2,He
Rb(7S-5D)-H_2,He能量转移截面与温度的关系
Development and Benchmark Validation of Temperature-Dependent Neutron Cross-Section Library for MCNP
MCNP温度相关中子截面库的研制及基准验证
Numerical simulation for velocity and pressure in filling stage of injection molded parts with uneven thickness
注塑充填过程变厚度截面速度压力场数值模拟
THE MEAN WIND AND TEMPERATURE FIELD ALONG 140°E MERIDIAN
东经140°剖面上的风场与温度场
Calculate the Temperature Field of Airport Pavement in ANSYS
用ANSYS计算机场道面混凝土的温度场