波的传播

The viscosity of the medium will cause dissipation of seismic energy, thus decreasing the amplitude and modifying the frequency content of the propagating wavelet. In order to obtain accurate information and imaging with high distinguishability from seismic data, the propagating rule of wave in viscoelastic medium should be studied.

地震波在大地介质的传播过程中，不仅波的振幅会衰减，而且有频散现象，因此要从地震数据中得到复杂构造的准确信息和高分辨率的图像，就必须研究粘弹性介质中波的传播规律。

In this paper, we theoretically investigated the properties of electromagnetic waves propagating in gyromagnetic waveguides with a plane interface, and the spatio-temporal characteristics of nonlinear waves in gyromagnetic materials.

我们主要在理论上研究了单界面的非线性旋磁导波系统中电磁表面波的传播特性，以及非线性电磁波的时间空间传播特性。

This paper describes how to use Flash production of viscous flow in vivo experiments indicate friction, rotation speed Dengjiao containers of liquids in relative balance, the system and control of, weak disturbance in the transmission space - Mach cone, the disturbance wave propagation process, bypassing the wings The two-dimensional flows, ease converter and blast crisis and stagnation flow indicate parameters and a number of critical parameters, such as animation.

本文介绍了如何运用Flash制作粘性流体内摩擦实验示意、等角速旋转容器中液体的相对平衡、系统与控制体、微弱扰动在空间的传播——马赫锥、扰动波传播过程、绕过机翼的二维流动、缓变流与急变流示意以及滞止参数和临界参数等若干动画。

And,the study of propagation properties of open-circuit gray solitons indicates that they are relatively stable under perturbations at least less than 10%.

同时采用波传播的数值解法，分析了它们的传播特性，结果显示它们在小于10％的扰动下是相对稳定的。

Applying this model to 137 solar events during the period of February 1997 to August 2002, it is found that our model could be practically equivalent to the STOA, ISPM, HAFv.2 and SPM models in forecasting the shock arrival time.

收集了1997年2月至2002年8月间的137个激波事件，对激波到达地球轨道附近的传播时间进行了预测，并将预报结果与STOA，ISPM，HAFv.2以及SPM模型所得结果进行比较。

High-quality antral slow-wave recordings were achieved in the intraoperative human trial (amplitude, 0.41 +/- 0.04 mV; SNR, 12.6 dB), and an activation map was constructed showing normal aboral slow-wave propagation at a velocity of 6.3 +/- 0.9 mm/s.

在腹腔镜胆囊切除术中测量试验中，我们获得了高质量的胃窦部慢波电位记录结果（振幅0.41±0.04mV，SNR 12.6分贝），并且显示出正常慢波的离口传播速度为6.3±0.9mm/s。

HEM11 mode in a transverse deflecting structure was simulated, analyzed and compared with TM01 mode.

模拟分析了横向行波偏转结构中传播的HEM11波的特性，并与加速模式TM01进行了比较。

First, systematic study on propagation, reflection and interaction of axial stress wave is made to deduce the calculation equation for axial elastic and plastic stress wave, which fit for analysis of impact buckling of axial compression member.

本文首先对轴向应力波在构件中的传播、反射及相互作用进行系统分析，推导出适合轴心受压构件冲击屈曲分析的轴向弹、塑性应力波计算公式。

With the propagation of the input negative-falltime pulse along the transmission line, the capacitance of varactor diodes is decreased by the increase of reverse bias voltage, and the variation in propagation delay at the nodes results in the compression of negative-going wavefronts during propagation.

随着输入脉冲在传输线上的传播，变容二极管的电容随反偏压增大而减小，导致每个节点传播延迟的变化，从而压缩脉冲波前，产生前沿可达1ps的超快脉冲。

In the experimentation, the premixed propane-air flame propagation behavior was studied as the following:(1) Study on pressure wave influence on premixed propane-air flame propagation behavior under different pressure relief case The high speed Schlieren photograph method was used to record the dynamic process of flame propagation clearly, including the precise flame front position, flame structure, and so on.

实验过程中，首先利用预混火焰精细实验台对丙烷-空气预混火焰的传播特性进行了实验研究：(1)重点研究了不同泄压条件下的压力波对丙烷-空气预混火焰传播特性的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。