柱面波

With the aid of the Laplace transformation, an analytical solution for the motion of the plane standing wave in the presence of free surface charge is obtained. Moreover, the motion of the cylindrical standing wave in the presence of free surface charge is solved using semi-analytical method.

通过变换的方法，求得了平面驻波漏电介质模型解析形式的初值解，并用半解析半数值的方法求解了柱面驻波漏电介质模型的初值解。

A new coupling mode using cylindrical mirror in square waveguide is presented in this paper.

针对方形波导激光器的反射耦合问题提出了一种采用柱面反射镜的新型耦合方式。

In order to simulate the propagation of cylindrical wave in space, the perfect Boundary connecting condition of total field and scattering field is proposed.

为了模拟柱面波在空间的传播，给出了在柱坐标系下完整的总场和散射场的连接边界条件。

In plates there exits a cylindrical bending wave, this wave runs with the same chance in all directions.

在板中的弯曲波主要为柱面波的形式，此柱面波在各方向上的传播机率相同。

The propagation characteristics of cylindrical Rayleigh waveand circumferential wave are analyzed.

该研究为利用激光激励的柱面Rayleigh波和周向导波进行无损探伤提供了有益参考。

It is suggested that for the diffraction efficiency optimization of the holographic grating recorded by plane and cylindrical waves the recording cylindrical wave and the geometrical dimension of the grating should be carefully designed according to the request.

在平面波与柱面波干涉形成全息透镜的设计中，为了获得最优的衍射效率，应当根据要求合理地选择记录所用柱面波和设计光栅的几何尺寸。

A transfer-matrix method is used to study cylindrical wave reflection at cylindrical media interfaces. We find that the reflection can be total at an interface of small radius but is only partial if the radius is large.

应用转移矩阵法研究柱面介质内表面处柱面波的反射，发现在小半径内表面上的反射为全反射，当半径较大时，它只是部分反射。

First, The relation between one dimension plane detonation wave configuration and mesh size was investigated, then, regular reflection and Mach reflection was studied too.

首先研究了一维平面爆轰波结构与网格尺寸的关系，然后研究了柱面散心爆轰波结构及其正规反射、Mach反射问题。

Finally, the four-unit cylindrically conformal microstrip antenna array is processed and tested. Testing results indicate that, the input VSWR of the antenna array in the vicinity of 1.575GHz is less than 2, the omni-directional performance good, 3dB bandwidth is about 90 degree on axial plane, right-hand circularly polarization good. Overall performance of the antenna array satisfies the design requirements.

对仿真获得的四单元柱面共形微带天线阵列进行了加工测试，测试结果表明该天线阵列在1.575GHz附近工作频带内输入驻波小于2，柱面法向平面全向性良好，轴向平面3dB波瓣宽度约为90。，右旋圆极化效果良好，天线整体性能达到工程设计要求。

In those cases, the plane waves have been transformed into cylindrical waves or spherical waves separately, and compute the reflecting factor of each spherical wave or cylindrical wave. When the plasma is unhomogeneous, the plasma slab can be divided into many sub-slabs and the solution can be found by using boundary conditions.

处理时将平面波展开成柱面波和球面波，分别求各个谐波的反射系数；对于非均匀介质，采用分层的方法进行处理，并在分界面匹配边界条件，得到较严格的结果。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。