English translation for "surface current"
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- 表层流
表面电流 表面流动 面流
- Example Sentences:
| 1. | The electric field , magnetic field , critical frequency , surface current , power transmission and attenuation , as well as te and tm modes in waveguides are discussed 给出计算等效矩形截面波导的te模和tm模、电磁场、临界频率、波导壁电流、功率传输和衰减的公式。 | | 2. | The surface current velocity displays the seasonal variability , too . the velocity varies from 71 . 6cm / s ( maximum ) in december to 55 . 4cm / s ( minimum ) in may in the kuroshio south of japan , and the position 01 extreme appear to the south of kii peninsula 黑潮表层流速最大值同样存在着季节性变化特征:日本以南黑潮表层流速最大值由12月份的71 . 6cm / s (最大值)变化到5月份的55 . 4cm / s (最小值) ,极值均出现在纪伊半岛以南海域。 | | 3. | Loading different shapes of slots in the patches of antennas will cut off the original surface current and the current has to flow around the slots that make its route longer . this course is equally satisfactory in result of inserting cascade inductances in the equivalent circuit of antenna 当在贴片表面开不同形式的槽或细缝时,切断了原来的表面电流路径,使电流绕槽边曲折流过而路径变长,在天线等效电路中相当于引入了级联电感。 | | 4. | As analyzing the electromagnetic scattering characteristics of two - dimensional electrically large conducting objects , the object is divided into some small regions by using spatial decomposition technique ( sdt ) , but still consider the coupling effect among all the regions , the surface current and rcs of the object can be computed with progressive iterative numerical method ( pnm ) . then the wide - band electromagnetic scattering characteristics of two - dimensional electrically large conducting objects are analyzed with the asymptotic waveform evaluation ( awe ) technique 文中应用空间分解技术( sdt )将二维电大导体目标在空间中分解为若干子区域,考虑子区域间的耦合,采用累进迭代方法( pnm )快速计算表面电流和雷达散射截面,然后与渐近波形估计技术( awe )结合分析了二维电大导体目标的宽带电磁散射特性。 | | 5. | An idea for analyzing the electromagnetic scattering characteristics of electrically large objects is transforming the solution of large problems into that of some little problems . the object can be divided into a number of small regions or the equation be partitioned into some sub - equations , then the surface current and rcs can be computed fast by iterations 分析电大导体目标的电磁散射特性,一种基本思想是将大问题化为小问题求解,对目标进行空间分区或分解矩阵方程等,然后通过迭代快速计算出目标的表面电流和雷达散射截面。 | | 6. | The material ways are to model the honeycomb wall as an impredence surface , to express the infinite honeycomb by using periodic green ' s function , and using method of moment to establish the mathematic model , in applying the methods of moments , we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current , solving it by mom equation . then gain it ' s reflected coefficient ' s numerical result . and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient 具体方法就是将浸渍吸收剂的蜂窝壁用表面阻抗表示,将无限大的周期结构的电场用周期格林函数来表示,选取有耗蜂窝结构中具有代表性的基本计算单元应用矩量法建立数学模型,在运用矩量法时用屋顶函数作为基函数,刀片函数作为检验函数,根据蜂窝壁表面电场必须满足入射电场等于散射电场和阻抗电场之和的规律,推导表面电场积分方程,求解蜂窝结构的表面电流,利用蜂窝的周期规律得到无限大均匀周期阵列的散射电场。 | | 7. | The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils . because " the surface current source is placed at the interface , the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation . by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants , the expressions for the magnetic vector potential of the three regions are solved out 在求解过程中,假定放置式圆柱线圈是由无穷多个对称圆环线圈密饶而成,首先求解含有有限长磁芯的通电对称圆环线圈的电磁场:以有限长圆柱磁芯的侧面和圆环线圈所在圆柱面为分界面将场域划分为三个小区域,由于场源放置在内边界面上,使得关于矢量磁位的非齐次约束方程转化成齐次亥姆霍兹方程,利用分离变量法求解,根据分界面郑州大学硕十研究生毕业论文摘要条件以及无限远条件确定待定常数,从而得到各场区矢量磁位的表达式。 | | 8. | In the end , the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ) , the surface current and rcs can be calculated with convergent iterations , the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique 最后应用投影迭代方法( pim )将三维导体目标的阻抗矩阵剖分成小矩阵,通过迭代计算出表面电流和雷达散射截面,并与渐近波形估计技术结合分析了三维导体目标的宽带电磁散射特性。 |
- Similar Words:
- "surface cultivation" English translation, "surface cultivator" English translation, "surface culture" English translation, "surface culture method" English translation, "surface curl" English translation, "surface current classifier" English translation, "surface current density" English translation, "surface curvature" English translation, "surface curve" English translation, "surface cut" English translation
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