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- Two novel spherical helical antennas are designed by projecting the planar equiangular spiral antenna onto the surfaces of hemisphere and partial sphere. 摘要将平面等角螺旋天线投影到半球面和部分球面上,得到半球面螺旋天线和部分球面螺旋天线两种新型球面螺旋天线。
- On the basis of the analysis of the planar equiangular spiral antenna and the Archimedean spiral antenna, we induce a kind of equiangular spiral antenna terminated by Archimedean structures. 其次,为了实现天线口径的小型化,对平面等角螺旋天线与平面阿基米德螺旋天线的电特性进行对比分析,仿真设计了等角螺旋天线始端终端阿基米德化的复合结构螺旋天线,这种天线一方面改善了等角螺旋天线的低频与高频特性,另一方面在一定程度上克服了阿基米德螺旋天线臂长,传输损耗大,效率低的缺点。
- Plane equiangular spiral antenna 等角平面螺旋天线
- Analysis and design of a novel slot-loaded planar equiangular spiral antenna 新型缝隙加载平面等角螺旋天线分析与设计
- Study of A Planar Equiangular Spiral Antenna and the Relevant Wideband Balun 一种平面等角螺旋天线及宽频带巴伦的研究
- Military budget continue to spiral. 军费预算继续上升。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- equiangular spiral 等角螺旋,等角螺线
- equiangular spiral antenna 等角螺线天线
- A large spiral brass tuba that fits around the player's shoulder. 海力空大号,圈形大号由演奏者掮在其肩上吹奏的大型螺旋状铜号
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动,特别是做圆环运动的海水水流
- An individual spiral or ring within such a series. 一圈在一系列中单个螺旋线或环
- Vortex fields will have a spiral drawn. 漩涡场将会有一个螺旋线。
- Their profits began to spiral down disastrously. 他们的利润开始螺旋形地急剧下降。
- Society invariably moves forward in a spiral. 社会的运动总是采取螺旋形前进的。
- The production in this factory is spiral. 这个厂的产量呈盘旋上升。
- Gleason spiral bevel gear cutter. 格里森螺旋伞齿轮铣刀。
- The spiral nebulae are impressive objects. 旋涡星云是迷人的天体。
- Her hair was styled into a cascade of spiral curls. 她的头发被做成了瀑布般的螺旋形鬈发。