通过对照带结构计算和超声实验测量,我们检验了这种计算方法的有效性。
The validity of this method is checked by both band structure calculations and transmission measurement of ultrasonic experiment.
在量子阱能带结构计算当中,带边不连续能量直接影响计算的结果,如果带边不连续能量计算不精确,就不能得到正确的能级位置。
The band offset directly affect the calculation results of the quantum well band structure. if the calculation of band offset does not accurate, we should not get right band edges.
电子能带结构计算表明sc - C20为宽带隙(4.20eV)半导体型碳,并且随着压力升高带隙呈现增大的趋势,sc - C20带隙的大小及变化规律与金刚石相似。
Electronic band structure calculations show that sc-C20 is a semiconductor with wide band gap of 4.20 eV, and the gap increase with pressure, similar to that of diamond.
并综合主要模具结构参数对金属流动速度的影响,建立了铝型材挤压模模孔工作带设计计算的数学模型。
The effect of major parameters of die structure on metal flow velocity is integrated and the mathematical model of design and calculation of aluminum profile extrusion die land length is derived.
通过计算结构的有效折射率,证实了杂质带色散是正常色散。
After calculating the effective refractive index of the structure, we have verified that the impurity band has a normal dispersion.
通过实例计算分析,给出了带托柱式转换梁的框架-核心筒结构的转换层上、下层间侧移角比的取值范围建议。
Base on the calculation of an example, suggestions on range of sideway ratio of stories up and down in transfer story of frame-core tube structure with column supporting transfer beam is obtained.
利用全矢量平面波法计算了三角结构的光子带隙型光子晶体光纤的带隙分布。
The photonic band-gap of triangle structure photonic band-gap PhotonicCrystal Fiber (PBG-PCF) is computed by FPWM.
其塔体为绕带式,设计的主要内容包括工艺计算、塔的结构设计以及塔的强度设计和稳定性校核等。
The main contents include the process calculation, tower's structural design, strength design and checking the stability of tower and so on.
模型采用带超级节点的混合P2P网络拓扑结构,将P2P网络划分为不同的域,对域内和域间节点分别进行信任度的计算。
The model used the structure of mixed P2P network with super nodes, made P2P network to some different domains and computed the trust degree respectively for the nodes in and between domains.
在前人研究的基础上,我们对二维正方晶格和六方晶格光子晶体缺陷的带结构进行了计算。
The band structures of square lattice photonic crystal and hexagonal lattice photonic crystal have been computed in the second chapter.
提出一种改进的虚裂纹闭合技术(VCCT)对轮胎带束(一种复合材料结构)不同脱层长度下的应变能释放率进行了计算。
In this paper, a modified VCCT (Virtual Crack Close Technology) is developed to compute strain energy release rates of tire belt (a kind of composite structure) under different delamination lengths.
介绍了深圳游泳跳水馆钢屋盖结构设计,包括结构布置、带斜拉桅杆空间桁架的计算、节点构造、材料选用、防火设计以及结构涂装等。
The structural layout and calculation method of space truss with inclined rod and mast, joint construction, material selection, fire proof design a nd coating selection etc.
该文提出了一种利用转移矩阵来计算一维光子晶体的光子禁带结构的新方法。
The photonic crystal fiber(PCF) with a special envelop structure induces the light by photonic bandgap(PBG) effect.
结果表明,近似预测的误差程度与利用计算机构造虚拟结构的方法获得广义归一化函数带的宽度相吻合。
Results show that errors of the approximate method are in agreement with the width of normalized function band obtained based on simulation.
本文建立了用ER/MR智能阻尼器耦联的带裙房高层建筑结构地震反应半主动控制的设计计算方法。
This paper presents an analytical method for semi-active control of seismic responses of tall building, whose tower structure and skirt structure are connected to each other with ER/MR dampers.
针对光子晶体在行波管中的应用,对有限开敞介质光子晶体的模式和带结构进行了分析和计算。
In this article, dielectric photonic crystals (PhC) with finite dimensions and exposed in air is analyzed for its potential value in traveling wave tubes (TWTs).
对于混合式交错桁架结构的稳定性,考虑了桁架层侧移刚度简化成两层带侧向弹簧的计算模型。
For composite staggered truss structures, the truss was simplified as two stories with lateral bracing spring model.
给出了带弯接头结构钻具组合的处理方法及扭矩的计算方法。
The methods to deal with bent sub and torque was also been given in this article.
充分利用计算机在快速和准确等方面的巨大优势,对输送带纵向撕裂提出了一种全新的非接触式智能检测方案,并详细叙述了系统软硬件结构。
This will take full advantage of computer in terms of quick and accurate. Puts forward a new kind of untouched intelligent inspection method. Describe hardware and software system detailed.
用有效质量方法计算了磁场下超晶格的子带结构和光跃迁。
Hole subbands and optical transitions of superlattices in magnetic field are calculated on the basis of the Luttinger-Kohn effective mass theory.
本文主要研究基于直线光流场重建带直线特征的三维刚体运动和结构的计算理论和方法。
This paper involves the research of reconstructing motion and structure of 3d rigid body with straight-line feature from straight-line optical flow.
本文从提高带材张力测试精度出发,对两台单机座冷轧机的张力测量装置的结构参数进行优化设计计算。
A calculation of optimal design for the structure of tensile test device has been made, for the purpose of increasing the preciseness of the tensile test.
本文的方法可用于计算有复杂形状带边的半导体异质结构的载流子性质。
The method used here is universal and can be used to deal with the properties of semiconductor heterostructures in which there is complex potential profile.
本发明介绍了滤光片具体的结构设计,以及在此设计下所计算出的一通道二通带滤光片的光谱特性。
It introduces the concrete structural design of the light filtering piece as well as the calculated spectrum characteristic of the one-channel two-pass band light filtering piece.
讨论了旋转操作下TM模式带隙的变化情况,通过计算发现TM模式的带隙不仅受到晶体旋转对称性的影响同时也受内部结构介电常数的影响。
The affection of TM is discussed when the dielectric cylinder are rotated. The result is that not only the crystal rotational symmetry but also the dielectric constant can affect the band gap of TM.
从二维周期性结构的振动方程出发,建立二维带隙计算模型,并在此基础上分析带隙与材料结构特性的关系。
By analyzing the vibration model of two-dimensional (2d), the elastic wave band gaps of 2d were calculated and the connection of the elastic wave band gaps with material characteristic was studied.
文末对大底盘双塔棱带连廊砌体结构房屋的地震反应作了计算和讨论。
Finally, the seismic responses of a double - towers masonry building linked by spatial corridors with enlarged base at the bottom a...
提出了用正、负折射率介质层交替排列构成的一维光子晶体模型,并且用传输矩阵法计算了该模型的透射谱,从理论上分析了其带隙结构。
Plane wave expansion techniques and transfer matrix method are used to study the two-dimensional photonic crystal with a triangular lattice of dielectric cylinders in air.
针对薄壁墩、花瓶墩等结构,提出墩顶带拉杆的Y形墩模型,给出了墩顶拉力的简化计算公式。
For the thin-walled pier and the vase pier, the paper proposed a model of Y-shaped pier with a bar on the pier-top and put forward a simplified formula for the pulling force on the pier-top.
运用光在介质中传播的特征矩阵方法,通过数值计算,研究了一维光子晶体结构对光子禁带的反射光相位的影响。
Reflection phase properties of one-dimensional photonic crystals(PhCs)with mu-negative or double-negative materials are investigated by the transfer matrix method.
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