采用螺旋基函数和检验函数的矩量法分析了单臂半球面螺旋天线和双臂半球面螺旋天线的驻波、增益及方向图等特性。
The wideband characteristics of two hemispherical helical antennas are analyzed by the method of moment with curved basic and testing function.
本文采用矩量法分析了任意截面支臂加载矩形波导t形结。
This paper describes the calculation of the scattering parameters of a T-junction of rectangular waveguide having arbitrary cross-section by the method of moments.
该新型螺旋焊管内焊装置由对缝跟踪机构、焊臂系统、调节机构及焊矩等组成。
The apparatus is composed of a butt-welding tracker, a welding arm, adjustment mechanism and welding torch.
该新型螺旋焊管内焊装置由对缝跟踪机构、焊臂系统、调节机构及焊矩等组成。
The apparatus is composed of a butt-welding tracker, a welding arm, adjustment mechanism and welding torch.
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