【論文 Frost1972】An Algorithm for Linearly Constrained Adaptive Array Processing
經典的Frost beamformer，也叫線性約束最小方差（LCMV）濾波 概括 如上圖所示，假設目標信號從線性陣列的寬邊方向傳入，noise以及inference從其它方向傳入，取最近的J個數據，在理想遠場模型下，，每個時刻各個陣元接收到的目標信號相同，噪聲在每個陣元的信號不同（非寬邊注視方向輸入），將每個時刻的信號加權求和，得到上圖中下部分的等效模型，即最終輸出爲一個加權求和得到的FIR濾波
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相關文章
- 1. 【論文:麥克風陣列增強】An alternative approach to linearly constrained adaptive beamforming...
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