波的传播

It is fou nd that in two dimensional case the wave-packet propagates downstream in the we dge-shape,the angle of the half wedge is 10° which is in good consistence with the experiment data.

发现点源波包在二维边界层中呈楔形向下游传播，其横向偏角为10°，与相关的试验图片相吻合。

Elastic wave transmission in a continuous inhomogeneous media is studied.

对弹性波在非均匀介质中传播时的波幅进行了研究。

Independent also was the Reform or Observance in France, which had its inception in 1358 (or more accuratley in 1388) in the cloister at Mirabeau in the province of Touraine, and thence spread through Burgundy, Touraine, and Franconia.

独立又是纪念改革或在法国，它成立於1358 （或更多accuratley在1388年）在回廊上米拉波省的海纳，并从那里传播勃艮第，海纳，并弗兰克尼。

Which simulate propagation of waves in excitable media , such as heart tissue or nerve fiber .

模拟传播波兴奋的媒体，如心脏组织或神经纤维。

In Chapter 5, the influence of ice or water loading on Lamb wave propagation in orthotropic anisotropic plates is investigated.

第五章研究了冰或水负载对正交各向异性板中Lamb波传播的影响。

Spin detonation of cast charges TNT DINA and DNT PETN was studied.

本文研究了梯恩梯—吉纳和地恩梯—太安体系的自旋爆轰现象，爆轰波是以低频脉冲方式传播。

In this method, fast Fourier transform is used as a converter between wavefront and its corresponding plane wave spectral.

在波前合成方面，本文根据傅立叶光学中平面波谱传播理论，给出了一种适合于平面波前的快速变换方法。

As compared with the conventional motion estimation methods, the proposed algorithm based on the multi-level simultaneous wavelet transform avoids the propagation of errors between the decomposed levels, thus improving the measurement accuracy.

同传统运动估计算法相比，这种多层并行小波变换运动测量算法避免了估计中的误差传播，从而提高了测量精度。

On the other hand, we also investigate some important character of wave propagation in the sample material.

同时，我们还研究了波在样品中传播的一些重要特征。

This is a new propagation characteristic for slow waves.

此现象是慢波传播的新特性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。