束传播法,beam propagation method
1)beam propagation method束传播法
1.In the case of waveguide-to-fiber coupling and fiber-to-waveguide coupling,a sequence of short straight waveguides has been modeled to approximate the 3-dimensional tapered waveguide; and the unstable incident and reflected fields,as well as their derivatives,were determined by thebeam propagation method(BPM).分别对波导_光纤耦合、光纤_波导耦合两种情况 ,将三维楔脊形波导等效为多段短的直波导 ,利用束传播法同时对三维楔脊形波导内不稳定的入射、反射场 ,及它们在传播方向上的偏导进行处理 ,再用自由空间辐射模法计算透射率和反射率 。
2.The characteristics of the SSC are analyzed by using a three-dimensionalbeam propagation method.采用三维束传播法分析了该器件的光波特性,优化了器件参数,数值结果表明该SSC有很高的耦合效率。
英文短句/例句
1.Calculation of the Transverse Modes of Waveguide by Using the Beam Propagation Method;用有限差分光束传播法计算光波导横模
2.Analysis of Wide-Angle Crossed Waveguide by Wide-Angle Finite-Difference Beam Propagation Method Based on the Douglas Scheme基于道格拉斯格式的宽角有限差分光束传播法分析大角度交叉波导
3.A Multicast Routing Optimization Algorithm with Delay-constrained Based on Genetic Algorithm基于遗传算法的带时延约束组播路由算法
4.Solving Delay Constrained Multicast Routing Problem with Genetic Algorithm Based on Accuracy Penalty Function基于精确罚函数法的遗传算法求解时延约束组播路由问题
5.A Comparison of Two Constraint Propagation Algorithms and an Improved Algorithm for Disjunctive Scheduling Problem;调度问题中两类分离约束传播算法的比较及一种改进算法
6.IMPROVED GENETIC ALGORITHM FOR MULTICAST ROUTING ON RELIABLE QoS CONSTRAINTS基于改进遗传算法的满足可靠性QoS约束的组播路由算法
7.Solving Multicast Routing Problem with Delay Constraint Based on a Modified Genetic Algorithm;用一种改进遗传算法求解带时延约束的组播路由问题
8.Constraint Propagation Based Algorithms for Solving Resource-Constrained Project Scheduling Problems基于约束传播技术的资源受限项目调度问题求解算法
9.Social Communication Media Law《社会传播媒体法》
10.Media-related courses include fundamentals of media technologies, media theory, media law, and contemporary media issues.传播相关课程则包括：传播科技概论、播理论、播法规、代传播问题等。
11.Study on the Characteristic of Gaussian-beam Propagation in the Atmospheric Turbulence;湍流大气中高斯波束的传播特性研究
12.Research on Degree-constrained QoS Multicast Routing Algorithm;带度约束的QoS组播路由算法研究
13.Research on Multi-Constraint QoS Multicast Routing Algorithm;基于多条件约束的多播路由算法研究
14.Research on QoS-Based Anycast Routing Algorithms;基于QoS约束的选播路由算法研究
15.The Research of QoS-Aware Multicast Routing Algorithm and Protocol;基于QoS约束组播路由算法及协议研究
16.A Multi-QoS Constraints Based Multicast Extension to OSPF;基于多值QoS约束的OSPF组播扩展算法
17.Research and Implementation of Delay-constrained Multicast Routing Algorithm时延约束组播路由算法的研究与实现
18.Research on Multicast Routing Algorithm Based on Multi-constrained QoS基于多约束QoS的IP组播路由算法研究
相关短句/例句
beam propagation method光束传播法
1.Thebeam propagation method was employed to simulate and design the novel optical attenuator.现采用光束传播法(BPM)对设计的新型光衰减器进行了仿真设计,结果表明,设计的光衰减器具有大的动态可调衰减范围(45。
2.Thebeam propagation method (BPM) is used to simulate and optimize the design and input output characteristics.应用光束传播法给出了弧形波导全光开关的输入、输出开关特性以及优化设计结果。
3.Using the wide angle finite differencebeam propagation method,the influences of waveguides pa- rameters on the bend loss of three generally used S-shaped waveguide bends fabricated by APE technology are analyzed.对2种不同切型的3种常用S形弯曲质子交换光波导,利用宽角有限差分光束传播法进行了分析。
3)BPM光束传播法
1.The numerical results obtained from modified overlap method are compared to the ones obtained fromBPM method.提出了一种修正的重叠积分方法用以计算阵列波导光栅 (AWG)波分复用器件中光从自由传输区域到阵列波导的耦合系数 ,并和光束传播法 (BPM)数值方法计算得到的结果做了比较 通过比较分析 ,得出结论 :当波导中心距不是太小时 ,用修正重叠积分这一快速方法是合适
4)Beam propagation method束传播方法
5)propagating beam method束传播法(PBM)
6)constraint propagation algorithm约束传播算法
1.To explain how to use the heuristics information of the problem to construct constraint-based solving algorithm,the general constraint satisfaction solving technology was briefly introduced,then the principles and the applicability ofconstraint propagation algorithm,tree search algorithm and heuristics repair algorithm for Job Shop scheduling were summarized.为了说明如何利用启发式信息构造车间调度的约束满足求解算法,首先概述了常规约束满足求解技术,进而介绍了车间调度问题的约束传播算法、树搜索算法和启发式修复算法的构造原理及适用性。
2.Feasibility of combining the conventional algorithms with theconstraint propagation algorithm in sensor placement is studied.探讨了传统求解方法与约束传播算法结合求解的可能性。
延伸阅读
反向传播法分子式：CAS号：性质：又称逆推学习算法，简称BP算法，是1986年鲁梅哈特(D. E. Rumelhart)和麦克莱朗德(J. L. McClelland)提出来的。用样本数据训练人工神经网络(一种模仿人脑的信息处理系统)，它自动地将实际输出值和期望值进行比较，得到误差信号，再根据误差信号从后(输出层)向前(输入层)逐层反传，调节各神经层神经元之间的连接权重，直至误差减至满足要求为止。反向传播算法的主要特征是中间层能对输出层反传过来的误差进行学习。这种算法不能保证训练期间实现全局误差最小，但可以实现局部误差最小。BP算法在图像处理、语音处理、优化等领域得到应用。
