復(fù)合加權(quán)陣列天線的研究
A STUDY OF COMPLEX WEIGHTED ARRAY ANTENNAS
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摘要: 本文提出了復(fù)合加權(quán)陣列的概念,引入了具有普遍意義的隨機(jī)陣列的廣義權(quán)因子,導(dǎo)出了計(jì)算復(fù)合加權(quán)陣列天線的單元數(shù)目、場強(qiáng)方向圖、功率方向圖和加權(quán)效率等性能參數(shù)統(tǒng)計(jì)特性的普遍公式。大家所熟知的密度漸稀陣列和相位加權(quán)陣列均可歸結(jié)為本文所提出的復(fù)合加權(quán)陣列的特例。應(yīng)用復(fù)合加權(quán)陣列天線將會(huì)帶來降低有效成本、提高性能及增加系統(tǒng)靈活性等好處。
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關(guān)鍵詞:
Abstract: A new idea of the complex weighted array antennas in proposed. A generalized weighted factor is given. Also, the general formulae for calculating the element numbers, field patterns, power patterns and array efficiency of the complex weighted array antennas are derived. The application of the complex weighted array antennas will be advantageous to the reduction of costs, improvement of performences and system adaptability. -
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