... controlled directivity 天线的受控方向性... directivity gain 指向性因数 directivity diagram 方向性图,方向图...
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Simulated results show that the directivity and the gain of the array are improved.
模拟结果表明，天线阵的方向性以及增益都得到了加强。
The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式，分析讨论了这些公式的应用范围。
To improve the directivity and gain, the four units of plate end-fire antennas are arranged in the direction of end-fire.
为了提高增益和方向性，把四个平板端射天线单元在端射方向上排列。
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