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- the planar inverted F antenna 平面倒F天线
- planar inverted - F antenna 平面倒F天线
- invert F antenna 倒F天线
- In this paper,a design concept of the planar testboard is proposed to solve the problem of RFID tag antenna testing. 针对RFID标签天线性能参数测试困难的问题,提出了平面结构的天线测试架的构想,设计并制作了一个实际的测试架。
- The planar monopole antenna provides extremely high width impedance characteristics which has been proposed for modern and future wideband wireless applications. 摘要平面单极性天线可用来提供很高的的阻抗带宽特性，应用于目前或将来的宽带系统中。
- The planar five-bar robot is a typical parallel robot with two-DOF. 平面五杆机器人是典型的两自由度平面并联机构。
- 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。
- Structures of the male genitalia of the 8 populations were fo und identical. Yet the populations could be divided into three rather distinctive groups according to the ratio of the length of flagellum setae over the width o f antenna flagellum. 这8个种群的雄外生殖器构造相当一致，但根据雄虫触角棒节上刚毛的相对长度可以分成3组。
- The chairs were inverted on the table. 椅子被倒置过来放在了桌子上。
- The chair is inverted on the table. 椅子倒放在桌子上。
- 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。
- She catch the insect by invert her cup over it. 她把杯子倒扣在昆虫上，将它逮住了。
- The examples of the planar GPa pressure explosive loading devices and its applications are given. 给出了可调控靶中应力波形的平面低压化爆加载装置的应用实例。
- For a disubstituted complex, MA4B2, the planar arrangement gives three isomers, the familiar ortho, meta, and para arrangements of organic chemistry. 对于双取代络合物MA4B2,其平面排列有三个异构体,常见的为有机化学中的邻位、间位和对位排列。
- The planar orientation of fibers may occur after the flow molding of GMT, which can result in anisotropy molded parts. GMT材料流动成型后玻纤在平面内发生取向 ,导致模压件呈各向异性。
- Two analysis methods for the planar linkages with high class Assur groups are presented. 本文对平面带高级阿苏尔组连杆机构的运动分析提出两种算法。
- By using the planar Hall effect, the static magnetic characteristics of the films has been measured. 利用平面霍耳效应测量了薄膜的静态磁特性。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- Construction operations must strict be abided by the planar graph approved by the firefighting department . 展台搭建单位应依据消防管理部门批准的平面图施工。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
