This paper deals with the non-linear propagation of sound waves radiated by a thin spherical shell vibrating in ideal fluid.

本文研究理想流体中薄质球壳受激振动辐射声波的非线性传播。

Propagation stability of non-paraxial beam in nonlinear Kerr media is investigated by using the linear stability method.

利用线性稳定法研究非傍轴光束在非线性克尔介质中的传播稳定性。

Propagation and evolution of linear waves in the self-gravitational medium are discussed in a comparatively general way.

本文以较一般的方式讨论了自引力介质中线性波的传播和演化。

The present thesis is devoted to studying the propagation of femtosecond pulsed beams in free space, linear dispersive media, and through lenses.

本论文对飞秒脉冲光束通过自由空间、线性色散介质和单透镜的传输特性作了深入研究。

It could be controlled under some conditions. Controlled beam becomes mode which is unchanged propagation in linear media.

在一定条件下它是可控的。受控成模后在线性介质中传播保持其模不变。

In the end the propagation rule of wave front set under linear substitution mapping is given.

最后揭示了线性变量替换映射下波锋集的传播规律。

The noise mixed on process signal by a linear and convolutive fashion in a stationary or nonstationary propagation passage can be canceled with this approach.

可使线性静态或动态传输通道中混叠的多源信号实现分离，从而可应用于传输信号上的去噪。

The propagation of wave packet produced from a point source in two and three dimensional incompressible boundary layer is investigated numerically on the basis of linear stability theory.

根据线性稳定性理论研究点源产生的波包在二维和三维不可压边界层中的传播特征。

The physical processes of laser pulse propagation in fused-silica fibers are discussed, focuses on the linear and nonlinear properties of optical fiber that alter the intensity of laser pulses.

讨论了激光脉冲在熔石英光纤中传输的物理过程，给出了能够改变激光脉冲强度的线性和非线性因素。

On the other hand, it also derives the covariance propagation formula of non-linear function containing quadratic term in matrix form using the matrix theory etc.

另一方面又利用矩阵理论等推导出含有二次项的非线性函数的协方差传播公式的矩阵形式。

By means of fluid model and linear field theory, the dispersion equation of the electromagnetic wave propagation along a cylindrical waveguide filled with an infinitely thin annular plasma.

利用等离子体流体模型和线性场理论，分别导出了无限薄环形等离子体填充圆柱波导和无限薄环形等离子体填充波纹波导中的色散关系。

The propagation of blast wave through the linear explosive charge is an important factor which influences the characteristics of the blast stress field induced by the linear explosive charge.

爆轰波沿装药轴线方向的传播是影响条形药包爆炸应力场特征的重要因素。

There is better linear relationship among the fracture spacing, propagation and height.

裂缝的间距、延伸长度及高度等参数之间具有较好的线性关系。

A method to predict the wood radial thermal conductivity based on back propagation (BP) neural network model which has non-linear relation highly was proposed.

利用神经网络所具有的输入-输出之间的高度非线性映射关系，给出一种利用BP神经网络模型预测木材径向导热系数的方法。

The light propagation in the modulator is studied with the wave coupling theory of linear electro-optic effect.

利用线性电光效应的耦合波理论，对单轴晶体铌酸锂电光调制器的温度特性进行了研究。

The formula shows that the propagation error from biquadratic polynomial is the same as the error from linear polynomial.

公式表明，不完全双二次多项式的DEM传递误差与双线性多项式的传递误差相同。

The results elucidate that the linear polarization state and the symmetry of the incident beams cannot be kept during propagation in anisotropic crystals.

结果表明，光束在晶体中传输时，其入射场的偏振态和对称性发生改变。