查询词典 numerical calculation

Forced Deflection Nozzle is studied from two aspect of experiment and numerical calculation in this thesis....

本文从实验和数值计算两方面对强制偏流喷管扩散段内的流动进行了研究。

The fourth chapter gives the concrete numerical calculation method of surface Green\'s function and density matrix.

第4章给出了具体的表面格林函数和密度矩阵的数值计算方法。

Key words: atomic and molecular physics; molecular alignment; femtosecond laser; diatomic molecule; numerical calculation

关键 词：原子分子物理；分子准直；飞秒激光；双原子分子；数值计算

A simple linear model for the fixed diffraction angle was set up by numerical calculation and parameter fitting.

针对卫星光通信中衍射角固定的应用情况，通过数值求解和参量拟合，建立了一个基于平面方程的简单控制模型。

The method solves the low efficiency problem of contact detection algorithm in wide size distribution particle discrete element numerical calculation in some extent.

改进方法在很大程度上解决了大尺寸分布颗粒离散元中接触检测算法效率低下的问题。

By using the numerical calculation results of the density matrix equations of motion of a closed Λ-type inversionless lasing system, the effects of the propagation of light fields on the gain of lasing without inversion, Rabi frequencies of the probe and driving fields, and the modulation role of spontaneously generated coherence on the effects were investigated when the Doppler broadening presents.

利用封闭Λ型三能级无粒子数反转激光系统密度矩阵运动方程的数值解，研究了存在Doppler展宽的情况下光场的传播对LWI增益、探测场和驱动场Rabi频率产生的影响以及有自发辐射诱导相干对这个影响的调制作用。

Electric machinery and electrotechnology ; Multi-layer earth structure ; Green Function ; Numerical calculation

电机电工；多层土壤；格林函数；数值计算

In this paper,a technique for numerical calculation of a dual-cylindrical antenna array is investigated.The admittance matrix of the equivalent network is also presented.

本文介绍了一种双圆柱体结构全向天线阵列的表面电流及等效端口导纳矩阵的计算方法，根据这个算法，本文计算了在一定物理尺寸下该天线阵列的电流分布和端口导纳矩阵。

The results of numerical calculation conform the exactness and validity of theoretical analysis and circuit design.

结合理论分析和实验结果，用数值方法进行了对照分析，进一步验证理论分析和实验电路设计的正确性和有效性。

Based on numerical calculation, ground movement of underground explosions are analyzed quantatively showing that the maximum velocity of ground particles is subjected to exponential decay laws.

以数值计算为基础，定量分析地下爆炸的地表运动，得到地表最大质点速度的指数衰减规律。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。