The theoretical analysis shows that a special density of modes (DOM) can induce abnormal spectrum of absorption,dispersion,spontaneous emission and transient gain without inversion,and they can be controlled by an externally applied coherent light.
研究了处于光子带隙材料中的四能级原子系统的电磁感应透明、自发辐射和光子开关效应,分析了其稳态与瞬态特性,发现特殊的模密度能够导致反常的吸收、色散、自发辐射及瞬态无反转增益,并可以通过外加调制场进行控制。
Because of the interruption to the stack periodicity of the unit cells, the electromagnetic density of modes (DOM) of the photonic crystals was changed, so that the transmission of the light waves changed.
由于堆积结构的周期性受到破坏,导致了光子晶体中模密度发生变化,光波的传播也发生了变化。
Experimental identification of modal density parameters of aluminum honeycomb sandwich panel;
铝蜂窝夹层板模态密度参数实验辨识
Study of modal density of elastic-v iscoelastic composite plate;
弹性-粘弹性复合板模态密度研究
Calculation method of auto body complex sub-structure modal density
汽车车身复杂子结构模态密度确定方法
Based on these, according to the concept of the fuzzy density, a method is proposed to choose suitable fuzzy partitions for input features.
并根据模糊密度的概念 ,提出一种为输入特征选择合适的模糊划分的方法 。
The main idea was to obtain belief function using the wavelet coefficient of infrared images and low light level images,then construct fuzzy density using the fuzzy edge evaluation function of local area,finally get fused wavelet coefficient by fuzzy integral and reconstruct fused image by inverse wavelet transform.
首先利用小波系数的区域特征获取模糊积分的信度函数,其次根据局部窗口内的模糊边缘评价函数自适应地构造模糊密度,最后由Choquet模糊积分确定融合后的小波系数,从而得到融合图像。
In order to address this issue, fuzzy density is used here to partition the input feature reasonably.
针对这一问题 ,根据模糊积分的思想 ,本文通过分析隶属函数的变化曲线来确定模糊密度 ,以此为依据为输入特征划分合适的模糊变量 ,并以Iris数据集为例验证了该方法的有效
Application of universal Kriging to the density modeling in north western Xujiaweizi area of Daqing oil field;
泛克里金法在大庆油田徐家围子西北地区密度建模上的应用
The density models for calculating basement of sedimentary basin in sea area by gravity inversion were set up in this paper, and the accurate and approximate formulas for calculating gravity anomalies were derived.
建立了适合海区沉积盆地基底反演的密度模式，推导了对应的重力异常精确公式（近区计算公式）和近似公式（远区计算公式），提出模拟沉积盆地复杂变化的密度差－深度曲线的分段拟合方法。
By analyzing the merits and defects of the density based clustering algorithm, the concept of density model is proposed.
通过分析现有基于密度聚类算法在簇扩展方法上的优点及其聚类判据的缺陷,确定了以密度模式为聚类依据从而实现正确识别任意形状、不同密度簇的目标。
Calculation method of auto body complex sub-structure modal density
汽车车身复杂子结构模态密度确定方法
The Dynamic Simulation of Urban Population Distribution Based on CA--Changes of population density in Changsha
基于CA的城市人口密度分布动态模拟——以长沙市人口密度变化为例
Investigation on the Best Model of Spring Wheat Density and Its Farmland Ecological Efficiency
春小麦密度及农田生态效应优化模型的探讨
DYNAMIC MECHANICAL BEHAVIOR OF COPOLYMERIZED HDPE BY DIE DRAWING PROCESS
口模拉伸共聚高密度聚乙烯的动态力学分析
A kind of Bayes Dynamic Models with Log-concave Density;
一类对数凸密度下的Bayes动态模型及其处理
The local density of states of surface electron in the quantum corral and simulation
量子围栏中的表面电子局域态密度及其模拟
Prediction Model of Equivalent Drilling Fluid Density at High Temperature and High Pressure
高温高压条件下钻井液当量静态密度预测模型
The Upper and Lower Pointwise Densities of the Cantor Measure
Cantor测度的点态上、下密度
The Equation of State and Phase Structure in A Model with Dynamical Spontaneous Symmetry Breaking at Finite Temperature and Density
动力学自发破缺的模型在有限温度和密度下的状态方程和相结构
Density Functional Theory Study on Energy Band and Density of States of ZnO
ZnO能带及态密度的密度泛函理论研究
liquid metal oxygen densitometer
液态金属氧气密度计
bivariate normal probability density function
二元正态概率密度函数
An adaptive tracking algorithm based on truncated normal probability density model for maneuverable targets
基于截断正态概率密度模型的机动目标自适应跟踪算法
Method of fusion target recognition based on fuzzy densities dynamic adjusted
一种基于模糊密度动态调节的融合目标识别方法
THE REVISED DRAG FORCE MODEL FOR THE DENSE CFB RISER AND THE EXPERIMENTAL VALIDATION
高密度CFB提升管内气固两相曳力修正模型及冷态实验验证
Job Scheduling Model Designed for Intensive Computational Grid on the Basis of Dynamic Bidding Mechanism
基于动态竞标机制的密集计算网格作业调度模型
Influence of electroacupuncture on BMD and histology in rats with glucocorticoids-induced osteoporosis
电针对糖皮质激素性骨质疏松模型大鼠骨密度和组织形态的影响
Fuzzy cluster analysis of the dynamics of egg density and egg parasitism of Empoasca vitis (Gthe)
假眼小绿叶蝉卵密度及其寄生率消长动态的模糊聚类分析
