A dense monopole array for spatial noise shaping
A dense monopole array for spatial noise shaping
复制标题
用于空间噪声整形的密集单极子阵列
DOI：
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
Soumyajit Mandai
中科院分区：
文献类型：
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作者：
Yingying Wang;Xinyao Tang;Jifu Liang;Soumyajit Mandai
为了改善阵列接收机的噪声系数和线性度，提出了一种密集套筒单极子天线阵，该阵列通过空间增量-西格玛(Δ-Σ)噪声整形。该平面阵的空间过采样率为Ku=4。共用接地短路套筒被优化为低互耦(相邻单极子之间的互耦小于−10分贝)。讨论了所提出的设计的仿真和实验结果。测得的单元辐射方向图在H面上是全向的，峰值增益为−5dBI，与模拟结果吻合较好。
A dense sleeve monopole antenna array is proposed for improving the noise figure (NF) and linearity of array receivers via spatial delta-sigma (Δ-Σ) noise shaping. The planar array has a spatial oversampling ratio of Ku = 4. The shared ground-shorted sleeves were optimized for low mutual coupling (less than −10 dB between adjacent monopoles). Simulated and experimental results for the proposed design are discussed. The measured element radiation pattern is omnidirectional in the H-plane and has a peak gain of −5 dBi, which is in good agreement with simulations.