tunable antenna造句

• At last we make a conclusion about design methods of tunable antenna that could be a valuable reference to practical work
  文章最后对可调谐天线的设计方法步骤进行了总结,可以在实际设计中作为参考。
• But nowadays the research works about the tunable antenna are still underway , and there is still no report about practical product of it
  作为一种新技术,铁电薄膜可调谐天线目前尚处于研究的初期阶段,还没有相关实用产品出现。
• This thesis presents the theoretical analysis about the design of the tunable antennas with multilayered structure theory and microstrip antenna ' s analytical methods . and it improves three typical kinds of antennas , and uses the voltage controlled ferroelectric materials . we analyze the tuning features of the antenna by simulation under the condition of different permittivity of the ferroelectric materials , and discuss the feasibility of improvement from microstrip antenna to tunable antenna
  本文结合多层介质理论及微带天线的分析方法对可调谐天线进行理论分析,并对矩形贴片天线、圆形贴片天线、微带振子天线三种典型的微带天线结构进行改进,引入压控铁电薄膜材料,仿真分析在改变铁电薄膜介电常数条件下天线的调谐特性,讨论微带天线改进为可调谐天线的可行性。