查询词典 derived equation

A finite difference method was derived for the analysis of time domain electric field integral equation of thin wire structures.

提出一种求解基于细线结构的时域电场积分方程的方法-有限差分方法。

A finite difference method is derived for the analysis of time domain electric field integral equation of thin wire-structures.

针对时域电场积分方程的矩量法求解过程的繁琐及算法的时序推进稳定性不好等问题，提出了一种有限差分法求解时域电场积分方程的方法。

An integral expression for the time domain output response of traveling wave electrooptic phase modulator is derived by using the scalar wave equation and Fourier transform technique.

从标量波动方程出发，采用傅里叶变换的方法，导出了行波电光相位调制器的时间域输出响应的计算公式。

Based on the previous work of Tanaka and Liang, a new integral constitutive equation of shape memory alloy is derived.

在Tanaka和Liang研究的基础上，推导了一个新的形状记忆合金本构方程。

Based on the Rayleigh-Sommerfeld diffraction integral and complex analytical signal representation,the free-space propagation equation and its Fourier spectrum for ultrashort chirped pulsed Gaussian beams are derived,and the far-field analytical electric field and spatial intensity are presented.

基于瑞利-索末菲衍射积分，使用复解析信号法推导出了啁啾脉冲高斯光束在自由空间中的传输方程及其傅里叶谱，给出了远场的光场和空间光强的解析式，研究了啁啾参数C对脉冲光束传输的影响。

According to the electric field integral equation of the surface, the recursive solution for the induced current on the slight rough surface is derived using the perturbation expansion of the surface, and the method for computing the interaction field is given.

根据粗糙表面电流积分方程并利用表面微扰展开，得到了微粗糙面表面极化电流的迭代解，给出了耦合电场的计算方法。

Based on the Bou ssinesq assumption, a coupled equation o f free surface displacement and horizonta l velocities is derived for the horizont al irrotational flow, and so is the anal y tical expression of the corresponding p r essure and vertical velocity.

本文在水平无旋及 Boussinesq假设之下，导出了水面变化与水平速度场耦合方程组，以及相应的压力与垂向速度解析表示式。

The velocity equation imelvding the actuator and the end effector velocities, and the Jacobin matrix of mechanisms are derived.

针对非对称球面五杆机构，研究了机构的奇异轨迹曲线和灵巧度。

Meanwhile, the estimated parameters with equation constrains are derived by using Lagrange multiplier law.

同时利用Lagrange乘数法导出了带有等式约束的最小方差投资组合的参数估计。

Based on the first linearized Boussinesq equation, analytical solution of the transient groundwater model, which is used for describing phreatic flow in a semi-infinite aquifer bounded by a linear stream and subjected to time-dependent vertical seepage, is derived out by Laplace transform and the convolution integral.

在河渠边界控制下的半无限含水层中，对时变垂向入渗影响下的潜水非稳定渗流模型，利用Boussinesq第一线性化方法，通过Laplace变换并结合卷积原理，导出模型的解析解。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。