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- pulse propagation method 脉冲传播法
- Study on the in vitro propagation method of Anthurium spp. 火鹤花离体培养育苗技术研究。
- Split-step Fourier method is used to numerically solve coupled nonlinear Schr?dinger equation, and to study the properties of pulse propagation in the fiber with randomly varying birefringence. 利用分步傅里叶方法数值解耦合非线性薛定谔方程组，研究了孤子脉冲和高斯脉冲在随机双折射光纤中的传输特性。
- Many plants have special propagation methods. 许多植物的传种方式很特别。
- The model used multiple stepwise regression method and back propagation method independently. 模型分别采用多元逐步回归方法和反向传播方法。
- The surface wave propagation method was suitable for the measurement of dynamic shear moduli of particleboard. 不同方法测得的弹性模量值不同．但它们之间存在着一定的内在联系。
- The basic idea of the finite element beam propagation method (FE-BPM) is described. 文中概述了有限元束传播方法的基本思想和方法。
- Test on the Propagation Methods of Hibiscus mutabilis L. 芙蓉花优良品种的繁殖技术研究。
- Analysis of Optical Effect in Intersectional Silicon Waveguide Switch by Beam Propagation Method[J]. 引用该论文 刘育梁;段军华;刘恩科;罗晋生;王启明.
- Increasing the driving field intensity, the medium"s dispersion changes from normal to anomalous, which leads to the switching from subluminal to superluminal light pulse propagation. 通过增加驱动场的强度,光学介质的色散性质由正常色散向反常色散转换,导致光的传播速度由慢光速到超光速的转换。
- A novel fast 2D time domain finite element beam propagation method (FE-TD-BPM) which is used to analyze planar lightwave circuit(PLC) is presented. 摘要提出并建立了一种新型的快速分析平面光波光路器件传输特性的2D时域有限元束传播法(FE-TD-BPM)模型。
- Summing up time harmonic propagated waves of all frequency gives the pulse propagation along the line. 加总所有频率成份弦波之时域传播即得时域脉波之传播。
- The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM). 基于光束传播法,对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
- The simulation using the bi-directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio. 藉由双向光束传播法来模拟此元件，结果显示此解多工器具有很低的插入损耗和高的隔离度。
- A full-vectorial finite element beam propagation method based on curvilinear hybrid edge/nodal elements is adopted in this thesis for studying optical waveguide problems. 本论文以采用曲线式混合基底元素之全向量有限元素波束传播法来分析光波导问题。
- Beam propagation method (BPM) is employed to calculate the coupling coefficient of transmission modes in MMF coupler, and an output pattern from coupling branch is obtained. 按照实验参数用光纤追迹法计算出光强分布和实验得到光强分布进行比较，所得结果一致。
- Electromagnetic pulse propagation 电磁脉冲传播
- On the basis of predefined waveguide parameters, we use the finite difference beam propagation method to analyze the effect of the parameters on the device. 最后根据所确定的器件结构参数，用有限差分光束传输法分析了器件结构参数对器件性能的影响。
- When such a powerful laser pulse propagates through the plasma, it becomes both shorter and narrower, creating a large electron bubble that traps electrons from the plasma. 当如此强大的雷射脉冲传递到电浆的时候，脉冲会变得更短更窄，创造出一个很大的电子泡泡，而可以从电浆中抓住电子。
- A wide angle beam propagation method in an oblique coordinate system (OCS WA BPM) based on coordinate transformation is used to simulate optical waveguides. 用坐标变换的倾斜坐标系中的广角光束传播法对光波导进行了分析。
