The photonic crystal waveguide is constructed by introducing a line defect into the photonic crystal composed of squre air cylinders embedded in square lattice.
而加大线缺陷的宽度可以使能量衰减较为缓慢,所以也可以加大能量传播范围。
The simulation results show that one-to-two beam splitter, deflector and one-to-three beam splitter can be realized by appropriately arranging the line defect along the proper direction.
数值计算表明,通过在合适的方向引入不同的线缺陷,可以实现自准直光束的1×2和1×3分束以及光束偏转。
It is shown that adding the third material as point defect/linear defects in the two-component PC, defect states/bands can appear in the original band gap whose position and width would have only minor changes.
结果表明,二组元声子晶体在引入第三组元点缺陷/线缺陷后,在原来的带结构中会出现缺陷态/带,原带隙的位置、宽度变化不大;缺陷态/带频率主要受第三组元材料物性参数的影响;这些缺陷态都是局域化的。
The inner spiral copper tube produced by extrusion-rolling process has a kind of special line defect,which influences the production yield remarkably.
采用挤轧法生产内螺纹铜管时易出现一种特有的线形缺陷,显著影响内螺纹铜管的成材率。
Causes of linear defects on the surface of cold-rolled sheet:analysis and discussion
冷轧板表面线状缺陷成因分析与探讨
The surface linear defects of 45# steel bolts have been analyzed by macrostructure examination,metallography and electron probe micro-analyzer.
针对45#钢螺栓表面线状缺陷进行了低倍、金相、电子探针等检测分析,结果表明,线状缺陷由大型夹渣造成,其主要成分为SiO2、CaO、Al2O3、Na2O,系连铸过程中酸性钢水中包覆盖剂卷入所致。
Causes of linear defects on the surface of cold-rolled sheet:analysis and discussion
冷轧板表面线状缺陷成因分析与探讨
The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.
利用磁偶极子理论，建立稳恒微弱地磁场作用下管类试件线状缺陷段产生的漏磁场模型。
Analysis of Lip-shaped Defects on the Hot Rolled Coil of X70 Pipeline Steel
X70管线钢热轧卷唇状疤块缺陷分析
Analysis and Melioration of Cold-rolled Galvanized Strip Thread Heave
冷轧镀锌板表面线状凸起缺陷分析与改善措施
the state of being without a flaw or defect.
没有缺点或缺陷的状态。
Review of the Current Application of Nonlinear Acoustics and Time Reversal Acoustics in Material Defects Identification
非线性声学和时间反转声学在材料缺陷识别中的应用现状评述
Defects Detection Algorithm for On-line Automatic Detection of Welding Defects;
焊接缺陷在线自动检测中缺陷检测算法的研究
They also look for potential molding defects, such as gas entrapment, weld lines, shorts and sinks.
也可以看出潜在的模塑缺陷如气体夹陷、熔接线、缺胶和凹陷等。
Study on Arithmetic of PCB Images Inspection of Circuitry Width & the Distance between Circuitry
PCB图像线宽线距缺陷检测算法研究
Corrosion Behaviors of X70 Pipeline Steels with Coating Holidays;
涂层缺陷下X70管线钢腐蚀行为的研究
The Research on Intelligent Recognition of Welding Line Defects on X-ray Film;
X射线底片焊缝缺陷智能识别的研究
Engineering Critical Assessment of Non-planar Flaws in Offshore Pipeline;
海底石油管线体积型缺陷ECA评估
Research on Quality Testing of Insulating Material Using Unidimensional CCD;
基于线阵CCD的电缆料缺陷检测的研究
Study on Non-linear Acoustics Characterization of Cracks in Aluminum Alloy Plate
铝合金板材缺陷非线性声学特性研究
The Analysis for the Surface Defect of the SAE10B08 Pickled Hot-rolled Wire Rod
SAE10B08钢酸洗线材表面缺陷分析
A Novel DGS Microstrip Low-Pass Filter
一种新颖的缺陷地微带线低通滤波器
Nonlinear Dynamic Analysis of Rolling Bearing with Defect Localized on Outer Ring
滚动轴承外圈缺陷非线性动力学分析
Influence of the Magnetization Caused by the Magnetic Defective of the Ni Nanowire
磁性缺陷对镍纳米线磁化行为的影响