英语词汇directivity gain怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	directivity gain
释义	directivity gain 简明释义方向增益；指向性增益网络释义 1 ?方向增益 ... 方向性 directivity 方向增益 directivity gain 定向型样 directivity pattern ... 2 ?指向性因数 ... 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... 3 ?指向性增益指向性增益短语 1 antenna directivity gain 天线定向增益 2 directivity and gain of antenna 天线方向性系数和增益双语例句 1 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。 2 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。 3 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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