Hollow metallic waveguides - part 1 : general requirement and measuring methods 空心金属波导第1部分:一般要求和测量方法
Hollow metallic waveguides - part 7 : relevant specifications for square waveguides 空心金属波导第7部分:方形波导有关规范
Hollow metallic waveguides - part 4 : relevant specifications for circular waveguides 空心金属波导第4部分:圆形波导有关规范
Hollow metallic waveguides - part 3 : relevant specifications for flat rectangular waveguides 空心金属波导第3部分:扁矩形波导有关规范
Standard test methods for hollow metal swinging door assemblies for detention facilities 拘留装置用空心金属转动门组合件的标准试验方法
Hollow metallic waveguides - part 2 : relevant specifications for ordinary rectangular waveguides 空心金属波导第2部分:普通矩形波导有关规范
Hollow metallic waveguides - part 6 : relevant specifications for medium flat rectangular waveguides 空心金属波导第6部分:中等扁矩形波导有关规范
Components for electronic equipment - connecting parts for radiofrequencies . hollow metallic rectangular waveguides and associated flanges 电子设备元件.射频用连接件.矩形空心金属波导件和相关法兰
Through the analyses of electromagnetic system of configuration of hollow metal cylinder by electromagnetic vector potential , an eddy current field math model is built by triangle cell , this article has researched power frequency to eddy current density , permeation depth and the effect of skin effect 文中通过对一个空心金属圆筒结构的电磁系统进行分析,以电磁场矢量位有限元法为基础对磁场强度、涡流密度进行了计算求解,采用三角形单元建立了涡流场数学模型,研究了电源频率对涡流密度、透入深度及集肤效应等场量的作用影响。