散射

The method can re duce computational cost because its coefficient matrix is smaller than that of conventional methods.

将该方法应用在离心风机的噪声预测中并考虑了蜗壳对声波反射和散射的影响。

The comparison of the dynamic value and the static value,shows that the effect of the random wobble on dyn...

通过将仿真结果与静态值进行比较，证明了在叠加抖振前后雷达散射截面有较大的变化。得出了结论。

In the process of reflecting, scattering and transmitting electromagnetic wave, earth targets can represent polarized characteristics, which relate to their nature.

在反射、散射和透射电磁辐射的过程中，地表或大气中的目标地物将产生与它们自身性质有关的偏振特性。

In theprocess of reflecting, scattering and transmitting electromagnetic wave, earth targets canrepresent polarized characteristics, which relate to their nature.

在反射、散射和透射电磁辐射的过程中，地表或大气中的目标地物将产生与它们自身性质有关的偏振特性。

Due to the complexity of the interaction between electromagnetic wave and the earth's surface, especially in the district covered vegetation, vegetation canopy disturbed strongly radar backscatter coefficient. So it is difficult to monitor soil moisture.

由于电磁波与地表相互作用的复杂性，特别在植被覆盖地表区域，雷达后向散射系数会受到植被覆盖层的强烈影响，这给监测土壤水分带来了极大的困难。

In the process of reflecting,scattering and transmiting electromagnetic wave,earth targets can produce polarized characteristics which related to the nature themselves,therefore,detecting the objects' polarization information becomes a new method in remote sensing.

在反射、散射和透射电磁辐射的过程中，地表或大气中的目标地物将产生与它们自身性质有关的偏振特性。因此，地物的偏振信息探测成为遥感目标识别的新手段。

The relationships of pulse distortion depending on frequency, pulse width, rain rate and path length are studied .The conditions of the broadening and compression for pulse wave are given. Based on the scattering characteristics of fog, the attenuations and reflectivities at millimeter wave are computed and analyzed for radiation and advection fog. The attenuation along earth-space deduced by radiation and advection fog is obtained and the results are compared.

其次基于单个雾滴的散射特性，对毫米波段电磁波通过平流雾和辐射雾时产生的衰减效应特性和反射率进行了分析和讨论，通过分析预测雾衰减系数的常用经验模型，预测了毫米波段电磁波通过平流雾和辐射雾地空路径传播时的衰减特性。

The dynamic response of the embedded pile due to the wave force was studied by an analytical method of eigenfunction expansion.

通过展开波浪对桩散射问题的特征函数的方法研究了波浪荷载作用下桩-土体-水流系统的动力响应问题。

Heat conduction, viscous friction, elastic hysteresis, and scattering are four different mechanisms which lead to

热传导、粘滞磨擦、弹性滞后和散射是引起哪种现象的四种不同的机理？

Consequently, it is necessary to study elastic wave scattering and vibration localization in structures.

为此，有必要研究结构中弹性波散射与振动局部化问题。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。