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A set of emitter which slenderize the acoustic wave has been designed, and also a set of receiver which select the scattered acoustic wave according to the position of the scattering particle has been designed.

研制出的发射传感器和接收传感器，能够分别产生细长的发射声束和接收声束，使信息窗区域面积能够控制在很小的范围内，位置也被控制在设计值处，满足了分区测量的要求。

Available features: Auto-Trim, Crop, Deskew, Flip, Mirror, Resample, Resize, Rotate, Shear, Add Noise, Anti-Alias, Average, Bending, Border Remove, Brightness, Buttonize, Color Resolution, Colored Gray, Contour, Contrast, Cylindrical, Despeckle, Dilate, Dot Remove, DPI Resolution, Edge Detector, Emboss, Erode, Etch, Gamma Correct, Gaussian Blur, Glow, Gradient, Grayscale, Half-Tone, HistoContrast, Hole Punch Remove, Hue, Impressionist, Intensity Detect, Invert, Invert Text, Laplacian, Line Remove, Line Segment, Max Filter, Median, Min Filter, Mosaic, Motion Blur, Multiply, Oilify, Old Photo, Pixelate, Polar, Posterize, Prewitt, Punch, Radial Wave, Ripple, Saturation, Sharpen, Smooth, Sobel, Solarize, Swirl, Unsharp, Wave, and more!

可用的功能：自动修剪，作物， deskew ，倒装，是一面镜子，重新取样，大小，旋转，剪切，添加噪音，抗混叠，平均而言，弯曲，边界消除，亮度， buttonize ，色彩解析度，色灰，轮廓，对比度，圆筒形， despeckle ，扩张，点删除， dpi解析度，边缘检测， emboss ，侵蚀，腐蚀， Gamma修正，高斯模糊，辉光，梯度，灰阶，半色调， histocontrast ，孔冲床删除，色调，印象派，强度检测，反转，反转文本，拉普拉斯，删除线，线段，最高过滤器，中位数，闵过滤器，马赛克，运动模糊，乘， oilify ，旧照片， pixelate ，极地， posterize ， prewitt ，冲床，径向波，涟漪，饱和度，锐化，平滑，索贝尔，曝光，漩涡，锐化，波浪，及其他更多功能！

Based on the wave equations of electromagnetic field, a new time-domain numerical method-direct difference solution of vector wave equation is researched. Calculating formulas of electric field and magnetic field are also given.

对电磁场波动方程进行了分析，研究了一种基于电场波动方程的时域数值方法―矢量波动方程的直接差分解法，给出了电场和磁场的计算公式。

Can be synthesized triangular wave, square wave, and an analysis of their spectrum.

可以合成三角波，方波，并分析它们的频谱。有详细的说明。

Various forms of wave equations, definitions of wave number and frequency, derivations of phase speed and group velocity, and a quick discussion on dispersion relationships.

各种形式的波动方程，波数和频率的定义，相速度和群速度的引入，以及一个关於色散关系的小讨论。

Spherical Rossby wave ; spectrum function ; wave envelopes ; structure ; evolvement

球面Rossby波；谱函数；波包；结构；演变

It is necessary to find the effects of spherical geometry on surface wave; Based on normal modal summation, the synthetic seismograms corresponding to the fundamental and few higher modes are calculated; Based on surface waveform scattering theory, the scattering surface wave are calculated for three dimensional laterally varying medium.

基于球地球模型计算面波波形，考虑到地球的圆球率，比平地球模型更接近实际；根据简正振型叠加原理计算出基阶和高阶直达面波；用面波散射理论计算出三维非均匀弹性地球模型的散射面波，包含振型转换，与实际更吻合。

In spherical polar coordinates, DRSC potential have supersymmetry and shape invariance for θ and r coordinates. By using the method of supersymmetry and shape invariance, exact bound state solutions of Schrodinger equation with double ring-shaped Coulomb potential are presented. The normalized angular wave function expressed in terms of Jacobi polynomials and the normalized radial wave function expressed in terms of the Laguerre polynomials are presented. Energy spectrum equations are obtained.

本文研究了双环形Coulomb势Schrdinger方程的束缚态精确解，所采用的方法是首先对双环形Coulomb势的Schrdinger方程在球坐标系中进行分离变量，得到相应的角向方程和径向方程；证明双环形Coulomb势在角向和径向具有超对称性和形不变性；根据超对称性和形不变性的性质，获得了角动量量子化条件和束缚态的能谱方程，并将归一化角向波函数用Jacobi多项式表示，将归一化径向波函数用Laguerre多项式函数表示。

By calculating Rytov index and Fried parameter of plane wave and spherical wave, relative errors between simulative and theoretical results of the five methods are compared.

通过计算平面波和球面波的Rytov指数和Fried参数，对比五种方案得到的Rytov指数和Fried参数与理论结果的相对误差。

The first one is caused by electromagnetic wave refraction phenomena at air-soilinterface and the second one is caused by spherical wave propagation loss andtransmission loss.

前者主要是由于电磁波在媒质表面产生的折射效应造成的，后者主要是电磁波在传播过程中的衰减造成的，包括球面波传播损耗、媒质表面的反射损耗和有耗媒质媒质对电磁波的衰减效应。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。