The wave beam can be efficiently radiated from a conveniently shortAntenna.
波束可以从一根使用方便的短天线上有效地发射出去。
2
By analyzing the function numerically, it is found that (1) the input admittance of electrically shortantenna is a complicated function of the operating frequency.
通过分析其变化规律得到下列结论：(1)短天线的输入导纳随频率的变化比较复杂。
3
The short range of the induction-loop antenna in the lens means the external antenna has to be very close to the eye: taped around the eye socket, in fact.