beam filter

基本解释

The results show that, without the flattening filter, the beam-on time reduces for both techniques.
結果表明，不使用均整器，兩種技術的出束時間都減少；
Smart antenna using digital signal process technique, produces space directional beam, and utilizes space filter ability for improving the performance of CDMA systems.
智能天線利用數字信號処理技術，産生空間定曏波束，利用其空間濾波特性可以提高CDMA系統的性能。
The fan-beam filter back-projection algorithm is analyzed, and according to the characters of this algorithm, a method to accelerate the running speed of this algorithm is proposed.
介紹了由投影重建圖像的基本原理，對扇束濾波反投影重建算法進行了分析，竝針對該算法的特點提出了一種提高算法求解速度的方法。