2) shaped paraboloid antenna
赋形抛物面天线
1.
A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented.
通过数值计算发现将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣(此主瓣指的是主瓣最大值处)。
3) damage face of parabola shape
抛物线形滑裂面
4) parabolic cross section
抛物型断面
1.
Governing equations of nonprimatic channel unsteady flow are simplifiedly analyzed with the expressed form of channel parabolic cross section by variation of distance,and applied with dam sudden release problem in nonuniform wetted perimeter cross section on neglecting friction and slope effects.
利用明渠沿程抛物型断面的概化关系式,对棱柱体明渠非恒定流的控制方程进行简化分析,并应用于忽略底坡和摩阻影响的非单一湿周断面明渠瞬时全溃问题。
5) parabolic shaped workpiece
抛物面形件
6) paraboloid antenna
抛物面天线
1.
This paper presented a new-style auto-deploying/stowing scheme of paraboloid antenna.
介绍了一种全新的抛物面天线自动展开/撤收方案。
2.
A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented.
通过数值计算发现将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣(此主瓣指的是主瓣最大值处)。
3.
In fact,it is difficult to achieve that for most large paraboloid antennas because of their structural characteristics.
大型抛物面天线由于其自身的结构特点,往往难以快速架撤。
补充资料:异形断面钢材(见异形断面型材)
异形断面钢材(见异形断面型材)
special section steel
,一、u以uu、’“飞豆on gQngC01异形断面钢材(speeial Seetion steel)见异形断面型材。
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