波

Week 5 Energy of mechanical wave, Huygence principle, supposition principle of wave, wave interference.

第5周 机械波的能量。惠更斯原理；波的叠加原理；波的干涉。

In this paper,the absorption property of the left-handed material rectangular waveguide was studied by use of the perturbation method,and other novel properties were revealed.

采用微扰法研究了左手介质矩形波导的吸收特性。由于色散方程的限制，左手介质波导不能传输基模，它的吸收特性也与右手介质矩形波导明显不同。

Main attention is paid on the third part; in this part several kinds of method to physical geodesy regularization problem are discussed, which are Tikhonov regularization, truncated singular value decomposition, biased estimation and least squares collocation.

在经典小波变换的基础上引入了球面小波概念，证明了Possion积分核是小波尺度函数，在尺度离散基础上证明了球外重力场处于一个多尺度空间。

The results of wave-making coefficients and relative data of wave-making field both from computation based on RANS approach and Michell integral method are provided for 7 different designs of bulbous bow lines respectively in this paper.

以球首的几何特征参数作为自变量构造了7条模型，分别应用CFD方法计算了船首的兴波波场和应用Michell积分方法确定了船体的兴波阻力系数。

For the generation of hull form, the mathematic principle of DMSL method is exploited and the contours are designed in detail. Based on Michell integral and the development of wave making resistance theory, a variation method is proposed to connect the hull form with WMR.

然后在概述了兴波阻力理论发展的基础上，推导出了基于Michell积分的兴波阻力对于容许曲面的变分，从而将线型的变化与波阻的变化联系起来，为设计提供了有力的参考。

Results The minimum latency prolonged and ratio of amplitude of F/M and the ratio of the area of F/M significantly increased in the patients with DPN,the duration of F wave prolonged in the mild DPN but revealed normal in the severe ones.

结果无神经病变的 DM患者 30例， F波时限增宽 8例， F波最短潜伏期延长 4例， F/M波面积增大 2例。

Wavelet Analysis Theory has superiority of multi-scale, multirang, flixility and movably,it is valid and important to look on WAT as a mathematic tool to analyze the data of GPS deformation observation.

动态监测所得到的观测序列是一种多频谱的混合波，由于影响波的存在很难反映变形的实际情况，根据小波分析理论多尺度、多分辨率和时-频局部化特性，应用于GPS变形监测数据处理和变形分析。

At last a brief introduction for the research history of WE and impedance inversion is given. In chapter 2, at first, the seismic deconvolution model is linked with the moving average process, the method for determination of wavelet length is developed which use the singular values of high-order cumulant matrix of seismic traces.

然后对最近发展起来的利用地震记录的高阶累积量的统计性子波估计方法进行了研究；紧接着，以确定性方法所得的子波作为约束条件，发展起来了一种利用高阶累积量的测井约束子波外推方法。

Since the 20th century 50's, a lot of multiple suppressing methods have rushed, which differentiate multiple and primary reflection on different standard.

自 20 世纪 50 年代以来，已产生了多种压制多次波的方法技术，它们分别基于不同标准来区分多次波和一次波。

Long-path multiple: A seismic reflection whose travel path is much longer than required for a primary reflection from the deepest interface reached.

全程多次反射波：传播路径比来自最深界面的一次反射波路径长得多的地震反射波。

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％。