查询词典 coupling coefficient

Based on point explosion theory , the approximate analytical formulas of momentum coupling coefficient and impulse of cone and parabolic crafts are deduced. The results show that the total axial impact momentum for parabolic craft is larger than that of cone craft and it increases with the increase of half open angle.

以LSD/LSC波理论为基础建立了一个近似的理论解析模型，推导出圆锥形和抛物形飞行器获得的冲量及冲量耦合系数的近似解析表达式，公式表明冲量耦合系数随着半张角的增加而增加，同时抛物形飞行器要比圆锥形飞行器的动量汇聚效果好。

The loosely coupled transformer in inductive power transfer system is investigated. The major point is focused to the coupling coefficient, which greatly influenced the system's ability of power transmission.

对基于非接触感应能量传输系统中的松耦合变压器进行了研究，对松耦合变压器的建模与电路分析进行了论述，着重对影响系统功率传输能力的耦合系数进行了研究。

The production and transmission process of Mach cone observed in many experiments has been captured in this numerical simulation. The relation between thrust, impulse coupling coefficient and one pulse laser energy, pulse width were gained, which agreed well with the experimental results by Germany Space Center.

数值仿真中明显捕捉到有关实验中观察到的马赫杆的产生与移动过程；得出了推力和冲量耦合系数随脉冲能量、脉宽的变化关系，计算结果与德国空间中心实验吻合得较好，为脉冲激光器的选择和脉冲参数优化提供了参考依据。

A general Godunov finite difference schemes-WENO schemes which had fifth-order accuracy was used to make a numerical calculation for 2-dimensional axis symmetrical laser-supported plasma flow field under laser ablated solid target and laser ablated propulsion efficiency parameters(mechanical coupling coefficient etc.) was obtained by the simulation.The models of the calculation of ionization degree of plasma and the interaction between laser beam and plasma and the simplified eos of plasma were considered in the simulation.

采用针对高温气体电离度的一种近似计算方法，以及具有五阶精度的广义Godunov差分格式-加权本质无振荡格式WENO(weighted essentially non-oscillatory schemes)，给出了高温气体状态方程的简便描述，并考虑激光与等离子体的相互作用，模拟了强激光与固体靶相互作用时激光支持靶面等离子体流场的动态物理过程，并给出了不同参数条件下激光烧蚀固体靶的推进效应参数。

The acoustic sensing characteristics of FBG hydrophone are addressed and the effects of the coupling coefficient, reflectivity, grating distance and reflection wavelength bandwidth of FBG on FBG hydrophone characteristics are analyzed.

论述了FBG水听器探头基元——光纤Bragg光栅的传感特性，分析了FBG的耦合系数、反射率、反射带宽和栅长对FBG水听器传感特性的影响。

The coupling coefficient is much higher than Myrabo and Scall's results obtained by electron-beam sustained laser on air breathing laser propulsion.

这一结果远高于Myrabo和Schall等人用电子束维持放电激光器获得的空气呼吸模式冲量耦合系数。

Keywords multiple support excitation;simple support excitation;response spectrum method;fast calculation approach;pseudo-excitation method;random vibration analysis;reliability analysis;coupling coefficient;sp

Article From 东南大学；结构工程博士论文 2005年度多点输入；一致输入；反应谱法；快速计算方法；虚拟激励法；随机振动分析；可靠度分析；耦合系数；空间相干函数

Obtained material temperature field and thermal coupling coefficient and so on.

本文利用有限元的理论，对连续激光对金属材料的热传导过程进行了数值模拟，得到了金属材料的温度场分布和热耦合系数等结果。

Formula of coupling coefficient of the whispering gallery modes dielectric resonator with dielectric image guide is derived. Results obtained show good agreement with reference.

本章还根据边廊模的角向行波特性导出了边廊模介质谐振器与介质波导间的耦合系数表达式，并对其进行了数值计算，所得计算结果与文献结果相吻合。

is presented allowing the adaptive simulation of tubofan compone nt performance adapting to engine particularities.The method can provide accurate simulation for component maps using nonlinear simplx optimization with primary performance particularit ies' function as objective function and coupling coefficient as optimized parameters.

本文以航空发动机部件通用特性为基础运用单纯形优化方法，以发动机主要性能参数和过程参数偏差函数最小为优化目标，以部件特性耦合因子为被优参数，发展了一种预测发动机部件特性的自适应模型方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。