wave number

波数

双语例句

There is an indefiniteness in the wave number that is related to the finite length of the train. 由于波到的长度是有限的，因此相应地在波数上存在着不确定性。

The break-up process of metallic melts during gas atomization and spray forming is analyzed using the wave theory and the governing equation for fastest-growing wave number is derived. 应用波理论描述了金属融体气体雾化与喷射成形中初次雾化阶段的破碎过程，导出了最不稳定的波数方程。

Our results also indicate that the imaginary component of Bloch wave number can serve as a measure of the localization degree of the surface electron states. 此外，研究表明布洛赫波数的虚部可以作为一个衡量表面电子态局域程度的物理量。

Processing a time series of X-band marine radar images with a3D-FFT algorithm enables to calculate a wave number frequency image spectrum. 对X-波段导航雷达图像进行三维傅里叶分析，可以得到海浪图像谱。

Moreover, the harmonic curves for the transient local Nusselt number and the transient local skin-friction coefficient have the same wave number as that of the wavy surface. 而且暂态局部紐塞尔數与表面摩擦系數之谐波曲线与波形板表面具有相同之波數。

The Computation Method of Micro-Scale Slope Wave Number Spectrum Based on Wavelet Analysis 基于小波分析的微尺度波斜率波数谱计算

The selection of wave number is very important in computation of problem of electric field in the layered model with2D electric point sources. 在计算点源二维地电模型的电场问题时，波数的选取非常重要。

He came up with the relationship that nu bar, which is called wave number& He found the reciprocal. 他也提出了它们与波数的关系，波数是波长的倒数。

Wave Number Domain Solution for Image Formation of Bistatic SAR; An Improved CSAR 3-D Imaging Algorithm in Polar Wavenumber Domain 双站合成孔径雷达成像波数域解决方案一种改进的极坐标波数域圆迹SAR三维成像算法

The sound pressure at near distance under free field was computed by using the wave number integration and the basic characteristics of the radiated noise were analyzes. 利用波数积分方法仿真计算了该模型在自由场条件下的近程声场，并分析了近场辐射噪声的基本规律。

Rayleigh wave in two-phase medium is analysed and calculated with Biot's theory of elastic wave, The dispersion equation of complex wave number and the analytic expressions of the vector of displacement field are derived. 应用Biot弹性波理论对双相介质中的瑞利波作了分析和计算，导出了复波数的频散方程和位移场失量的解析表达式。

Wave Number Encounter and Wave Spectra Encounter and Formulas of Roll Calculation 遭遇波数和波谱及横摇计算公式

The scattering energy is found to be dependent on the incident wave number and the radius of the circular hole. 并指出能量的散射与入射波波长和圆孔半径有关。

1D and 2D Helmholtz equations were solved using the method, and the impact of different enrichment cover functions on computational accuracy was investigated. The impact of wave number chosen for computational accuracy was discussed. 用该方法求解了1D、2DHelmholtz方程，研究了不同增强覆盖函数构成的函数近似对计算精度的影响，并探讨了不同波数的选取对计算精度的影响。

180 ° ambiguity of wave direction and high azimuthal wave number cutoff exist in all the SAR image spectra. 图像谱有180°的方向模糊和方位向的高波数截断，距离向传播海浪的图像谱存在双峰现象；

In the present study, a nonlinear mathematical model was developed to describe wave diffraction in areas of shallow water using the irrotationality of the wave number vector and the energy conservative equation along with nolinear dispersion relations. 本文用波数矢量无旋波能守恒方程和非线性弥散关系一起建立了一个浅水波浪绕射的非线性数学模型。

The wave number and thickness of lining are analyzed in this paper. 最后，对波数及衬砌结构厚度等参数进行了分析。

Wave vector analysis is a technique for analyzing the characteristics of wave propagation such as frequency and wave number. 波矢分析是在频率波数域研究波动传播特性的一种方法。

In this paper, some basic relations between the spectrum of gravity and magnetic anomalies are deduced by means of the poisson's equation in the wave number domain. 本文从波数域泊松公式出发，推导了重磁异常波谱之间的一些基本关系式。

This article introduced the ordinary F-K filter method principle, has analyzed its insufficiency, proposed wave number domain in with borders the law in the frequency to design the two-dimensional filter the method. 本文介绍了普通F-K滤波方法的原理，分析了它的不足，提出了在频率波数域内用镶边的方法来设计二维滤波器的方法。

The graphs of the spatial distribution of characteristic wave number are given for the ease of understanding abstract concepts. 为使抽象的物理概念直观化，给出了特征波数的空间分布图形。

For a moving airborne source, the effects to the number of normal mode and effective depth are firstly analyzed and then one dimensional wave number integral are employed to calculate the waveform in time domain excited by the airborne moving source. 对于运动声源，首先分析了由于声源运动对水波简正波数目和有效深度的影响；其次利用一维波数积分的方法计算了空气中点源激发声场的波形。

The cutoff wave number of the first four TM mode and TE mode of the pentagon waveguide are obtained. 首次获得了五角形波导前四个TM模和TE模的截止波数。

Moreover, the phenomenon that the wave number has a significant effect on such quantum localized states is also found. Finally, we present a conclusion for our work and some prospects for future works in this field. 此外，我们还发现，体系的波数对这种束缚态有着重要的影响。最后我们对本论文的工作进行了总结，并对以后的工作提出了一些展望。

At last using the united polynomial approximation method to analyze the cutoff wave number and field distribution of different type of waveguide. 最后利用统一的直角坐标系多项式近似方法，分析了几种不同坐标系下的波导元件的截止波数，以及场分布。

The dispersion relation ( namely the relation between the frequency and the wave number of the sound wave at the media) is of importance in studying of the sound propagation problems. 色散关系，也称频散关系（即声波在介质中传播时频率与波数之间的关系）对研究声的传播问题是及其重要的。

Similarly, using the numerical method, we obtain the dispersion curve in the whole wave number range. 同样，利用数值计算，得到了完整的色散曲线。

Lamb wave were optimized in respects of wave number, excitation voltage, incentives, center excitation frequency, etc. The optimized Lamb wave was used in the study of online monitoring fatigue crack process for base metal and welded joint specimens. 从激励信号波峰数、激励电压、激励方式、中心激励频率等方面对Lamb波进行了优化研究，并利用优化的Lamb波对母材、焊接接头试样的疲劳过程进行了在线监测研究。

And the characteristics of CNT bundle, including its quantum mechanical conductivity and wave number of the surface wave, are taking into account in the process of establishing the integral equation. 在建立积分方程的过程中，考虑了碳纳米管束的特性，包括其量子电导率和表面波的波数。

Comparing the results of the wave number method with the FEM and the plane wave expansion method, the prior method shows more efficiency than the other two. 将波数法的结果与平面波展开法和有限元法的结果进行比较，验证该方法的有效性。

英英释义

noun

the reciprocal of the wavelength of a wave