1) Fan-shaped waveguide
扇形波导
2) sectoral waveguide
扇面波导
1.
According to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow slot on the broadwall of a sectoral waveguide,the moment method is used to calculate the magnetic current coefficient and distribution.
根据缝隙口面切向场的连续条件，采用解析数值法———矩量法，对扇面波导宽壁上窄的斜缝进行了计算，解得了磁流系数及其分布，并得到散射场、等效散射参量及等效阻抗等重要参数。
2.
The general electromagnetic fields of the transverse magnetic mode(TM) in a sectoral waveguide are derived from the wave equation and the appropriate boundary conditions on the walls by using the separation variable method.
根据波动方程和边界条件，利用分离变量法导出扇面波导中ＴＭ模场分量通用表达式，计算了具有不同的张角和内、外半径比的扇面波导中ＴＭ模的截止波数，并列出数表，给出截止波长的精确的和近似的表达式。
3) sector conductor
扇形导体
1.
Reduction of the production costs of 3-core XLPE cable by use of sector conductors;
采用扇形导体降低三芯交联电缆的制造成本
2.
6/1kV sector conductor Si-XLPE cables is analysed and investigated.
6/1kV硅烷交联聚乙烯绝缘电缆采用扇形导体的成缆工艺进行分析和探讨,并且对硅烷交联聚乙烯绝缘电缆采用圆形导体与扇形导体的经济性进行了比较。
4) sector-shaped conductor
扇形导线
5) sector filter
扇形滤波
1.
Because the numbers of PGPR echo signal is very large and the current method that choose the parameters of sector filter manually is inefficient,the paper presents a method to choose the parameters of sector filter automatically based on region growing.
针对相控阵探地雷达回波信号数据量大,目前人工选择扇形滤波器参数效率低这一问题,提出了将雷达回波信号的频率-波数谱作为一幅灰度图像,利用区域生长的图像分割方法自动确定滤波参数,以进行扇形滤波,并除去直达波及噪声干扰。
补充资料：波导通信(见毫米波通信)
波导通信(见毫米波通信)
wave guide communication
bodao tongxin波导通信(wave guide communieation)见毫米波通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条