English-alphabet-shaped micro-strip antennas are reviewed in terms of antenna parameters and their applications. H-shaped patch antenna is designed with gap-coupled technique and a survey of previously designed H-shaped patch antenna are presented. The impedance bandwidths of the proposed H-shaped antenna at lower resonant frequency are 4.0% (HFSS), 4.2% (AWR) and 3.7% (experimental) and at upper resonant frequency are 7.6% (HFSS), 2.6% (AWR) and 9.4% (experimental). The frequency ratio of the antenna is 1.24, and the maximum gain of 1.97 dB and 2.52 dB for lower and higher resonant frequencies are observed. A broadside radiation pattern within the operating band and E-field beamwidth of 130° and 109° and H-field beamwidth of 111° and 106°, respectively, is observed at lower and upper resonant frequencies.

英文字母形微带天线在天线参数及其应用方面进行了综述。采用间隙耦合技术设计了H形贴片天线，并对以前设计的H形贴片天线进行了综述。建议的H形天线在较低谐振频率下的阻抗带宽为4.0％（HFSS），4.2％（AWR）和3.7％（实验性），在较高谐振频率下的阻抗带宽为7.6％（HFSS），2.6％（AWR）和9.4％（实验性）。天线的频率比为1.24，对于较低和较高的谐振频率，观察到的最大增益分别为1.97 dB和2.52 dB。在较低和较高的共振频率下，分别观察到工作频带内的宽边辐射图和130°和109°的电场束宽以及111°和106°的H场束宽。