beam filter

基本解释

The results show that, without the flattening filter, the beam-on time reduces for both techniques.
结果表明，不使用均整器，两种技术的出束时间都减少；
Smart antenna using digital signal process technique, produces space directional beam, and utilizes space filter ability for improving the performance of CDMA systems.
智能天线利用数字信号处理技术，产生空间定向波束，利用其空间滤波特性可以提高CDMA系统的性能。
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.
介绍了由投影重建图像的基本原理，对扇束滤波反投影重建算法进行了分析，并针对该算法的特点提出了一种提高算法求解速度的方法。