patch antennas的用法和样例：
例句
- This paper presents a new method for designing a triple-band microstrip patch antenna.
摘要提出了一种新的三频微带贴片天线的设计方法。 - The intut impedance of two different shape microstrip patch antennas is computed and the numerical result agrees well with the experimental result.
计算了两个不同形状的微带贴片天线的输入阻抗，所得的计算结果与实验结果吻合良好。
