wavenumbers
英
美
网络 波数
双语例句
- Galerkin Boundary Element Method for Exterior Problems of the 2-D Helmholtz Equation for All Wavenumbers
任意波数的二维Helmholtz方程外边值问题的Galerkin边界元法 - The prediction on 6 derivatives out of the training set indicated that both the regression models can be used to forecast the fluorescent emission wavenumbers of naphthaline derivatives.
对训练样本以外的6种分子的预测结果表明，该回归模型可以用于对萘类衍生物的荧光发射波数vemit进行预测。 - The dual variable FEM was applied in waveguide problem, and the wavenumbers were determined.
将电磁对偶有限元应用于电磁波导计算中，可确定电磁波导的传播常数。 - With increasing of the reaction time, the band sites of urea carbonyl also shifted to the lower wavenumbers and at the same time, the absorbance of ordered urea carbonyl became sharper and sharper.
随着反应时间的增加，脲羰基谱带的振动位置逐渐向低波数移动，有序氢键化脲羰基谱带的吸收越来越强。 - Under the typical zonal mean flow in winter, the ultra-long waves with wave-numbers 1 to 3 can propagate upwards into the stratosphere, but the waves with larger wavenumbers are only significant in the lower troposphere.
在冬季的基本气流条件下，纬向波数1至3的超长波都能上传到平流层，而波数4以上的波只在对流层中才显著。 - A new scheme is used to choose wavenumbers, which lets the wavenumber m glide with given computational time t.
在反傅氏变换中，使用新的波数选取方案，让波数m随时间t滑动。 - Traces of dyes indicate that the stable length increases with an augment of H, and the relations between spatial attenuation rates of disturbance and wavenumbers are correspondent with theoretical results by the analysis of spatial mode.
染色线观测显示H值增大使扰动失稳距离增加，扰动衰减率与波数的关系同空间模式稳定性分析的理论结果定性一致。 - It is discovered the strengths of some characteristic peaks of nanometer SiO 2 treated by polysaccharides are weakened or vanished obviously, the characteristic peaks of Si-O bonds move to low wavenumbers and the increases with the increases of the concentrations of polysaccharides.
结果表明：用多糖处理的纳米SiO2的某些特征吸收峰的强度明显减弱或消失，Si-O键的特征吸收峰向低波数方向移动，且随着多糖浓度增大，向低波数方向移动增大。 - The most obvious one of advantages for IMM is that the Navier Stokes equations can be changed into one set of the Helmholtz equations with the pair of parameters of ( k 1, k 2), the horizontal wavenumbers.
由此将Navier－Stokes方程转化为以水平波数（k1，k2）为参数的一组法向Helmholtz方程组，同时可更有效地求解压力。 - As we all know, the wave propagation problems for Helmholtz equation involving large wavenumbers are difficult to solve numerically. It is a very hot research field.
众所周知，高频Helmholtz方程的波传播问题很难求解，是热门的研究领域。 - Numerical simulation is fulfilled. Firstly, impedance and wavenumbers of a planar wave are derived from Maxwell formulae and the constitutive relations for chiral medium.
本文首先从麦克斯韦方程组和旋波媒质的本构方程出发，导出了旋波媒质中平面波的波数和波阻抗。 - Since the re-formulation marching method is valid in long range wave propagation problems with low and gradual variation wavenumbers, it is applied in high frequency acoustical waveguides propagation problems.
鉴于改进步进方法在大范围传播的缓变波导中的有效性，本文将此方法应用于高频波传播计算问题。 - It turns out that the directions and the magnitudes of wavenumbers fully reflect the energy distribution of waves, and the wavenumber-directional spectrum is completely corresponds to the frequency-directional spectrum.
分析结果表明波数的大小以及方向分布完全体现了海浪的能量分布趋势，频率方向谱和波数方向谱是完全对应的。